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Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot
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From: |
Michael Albinus |
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Subject: |
Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot |
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Date: |
Mon, 12 Dec 2022 11:32:46 +0100 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) |
João Távora <joaotavora@gmail.com> writes:
Hi João,
> +(require 'tramp)
> +(require 'tramp-sh)
Do you really need this?
> +(require 'subr-x)
> +(require 'flymake) ; project-diagnostics
> +
> +;;; Helpers
> +
> +(defmacro eglot--with-fixture (fixture &rest body)
> + "Setup FIXTURE, call BODY, teardown FIXTURE.
> +FIXTURE is a list. Its elements are of the form (FILE . CONTENT)
> +to create a readable FILE with CONTENT. FILE may be a directory
> +name and CONTENT another (FILE . CONTENT) list to specify a
> +directory hierarchy. FIXTURE's elements can also be (SYMBOL
> +VALUE) meaning SYMBOL should be bound to VALUE during BODY and
> +then restored."
> + (declare (indent 1) (debug t))
> + `(eglot--call-with-fixture
> + ,fixture #'(lambda () ,@body)))
> +
> +(defun eglot--make-file-or-dir (ass)
> + (let ((file-or-dir-name (car ass))
> + (content (cdr ass)))
> + (cond ((listp content)
> + (make-directory file-or-dir-name 'parents)
> + (let ((default-directory (concat default-directory "/"
> file-or-dir-name)))
> + (mapcan #'eglot--make-file-or-dir content)))
> + ((stringp content)
> + (with-temp-buffer
> + (insert content)
> + (write-region nil nil file-or-dir-name nil 'nomessage))
> + (list (expand-file-name file-or-dir-name)))
> + (t
> + (eglot--error "Expected a string or a directory spec")))))
> +
> +(defun eglot--call-with-fixture (fixture fn)
> + "Helper for `eglot--with-fixture'. Run FN under FIXTURE."
> + (let* ((fixture-directory (make-temp-file "eglot--fixture" t))
> + (default-directory fixture-directory)
> + file-specs created-files
> + syms-to-restore
> + new-servers
> + test-body-successful-p)
> + (dolist (spec fixture)
> + (cond ((symbolp spec)
> + (push (cons spec (symbol-value spec)) syms-to-restore)
> + (set spec nil))
> + ((symbolp (car spec))
> + (push (cons (car spec) (symbol-value (car spec)))
> syms-to-restore)
> + (set (car spec) (cadr spec)))
> + ((stringp (car spec)) (push spec file-specs))))
> + (unwind-protect
> + (let* ((home (getenv "HOME"))
> + (process-environment
> + (append
> + `(;; Set XDF_CONFIG_HOME to /dev/null to prevent
> + ;; user-configuration to have an influence on
> + ;; language servers. (See github#441)
> + "XDG_CONFIG_HOME=/dev/null"
> + ;; ... on the flip-side, a similar technique by
> + ;; Emacs's test makefiles means that HOME is set to
> + ;; /nonexistent. This breaks some common
> + ;; installations for LSP servers like pylsp, making
> + ;; these tests mostly useless, so we hack around it
> + ;; here with a great big hack.
> + ,(format "HOME=%s"
> + (if (file-exists-p home) home
> + (format "/home/%s" (getenv "USER")))))
> + process-environment))
> + ;; Prevent "Can't guess python-indent-offset ..." messages.
> + (python-indent-guess-indent-offset-verbose . nil)
> + (eglot-server-initialized-hook
> + (lambda (server) (push server new-servers))))
> + (setq created-files (mapcan #'eglot--make-file-or-dir file-specs))
> + (prog1 (funcall fn)
> + (setq test-body-successful-p t)))
> + (eglot--message
> + "Test body was %s" (if test-body-successful-p "OK" "A FAILURE"))
> + (unwind-protect
> + (let ((eglot-autoreconnect nil))
> + (dolist (server new-servers)
> + (when (jsonrpc-running-p server)
> + (condition-case oops
> + (eglot-shutdown
> + server nil 3 (not test-body-successful-p))
> + (error
> + (eglot--message "Non-critical shutdown error after test:
> %S"
> + oops))))
> + (when (not test-body-successful-p)
> + ;; We want to do this after the sockets have
> + ;; shut down such that any pending data has been
> + ;; consumed and is available in the process
> + ;; buffers.
> + (let ((buffers (delq nil (list
> + ;; FIXME: Accessing "internal"
> symbol here.
> + (process-buffer (jsonrpc--process
> server))
> + (jsonrpc-stderr-buffer server)
> + (jsonrpc-events-buffer server)))))
> + (cond (noninteractive
> + (dolist (buffer buffers)
> + (eglot--message "%s:" (buffer-name buffer))
> + (princ (with-current-buffer buffer
> (buffer-string))
> + 'external-debugging-output)))
> + (t
> + (eglot--message "Preserved for inspection: %s"
> + (mapconcat #'buffer-name buffers ",
> "))))))))
> + (eglot--cleanup-after-test fixture-directory created-files
> syms-to-restore)))))
> +
> +(defun eglot--cleanup-after-test (fixture-directory created-files
> syms-to-restore)
> + (let ((buffers-to-delete
> + (delete nil (mapcar #'find-buffer-visiting created-files))))
> + (eglot--message "Killing %s, wiping %s, restoring %s"
> + buffers-to-delete
> + fixture-directory
> + (mapcar #'car syms-to-restore))
> + (cl-loop for (sym . val) in syms-to-restore
> + do (set sym val))
> + (dolist (buf buffers-to-delete) ;; have to save otherwise will get
> prompted
> + (with-current-buffer buf (save-buffer) (kill-buffer)))
> + (delete-directory fixture-directory 'recursive)))
> +
> +(cl-defmacro eglot--with-timeout (timeout &body body)
> + (declare (indent 1) (debug t))
> + `(eglot--call-with-timeout ,timeout (lambda () ,@body)))
> +
> +(defun eglot--call-with-timeout (timeout fn)
> + (let* ((tag (gensym "eglot-test-timeout"))
> + (timed-out (make-symbol "timeout"))
> + (timeout-and-message
> + (if (listp timeout) timeout
> + (list timeout "waiting for test to finish")))
> + (timeout (car timeout-and-message))
> + (message (cadr timeout-and-message))
> + (timer)
> + (retval))
> + (unwind-protect
> + (setq retval
> + (catch tag
> + (setq timer
> + (run-with-timer timeout nil
> + (lambda ()
> + (unless edebug-active
> + (throw tag timed-out)))))
> + (funcall fn)))
> + (cancel-timer timer)
> + (when (eq retval timed-out)
> + (error "%s" (concat "Timed out " message))))))
> +
> +(defun eglot--find-file-noselect (file &optional noerror)
> + (unless (or noerror
> + (file-readable-p file)) (error "%s does not exist" file))
> + (find-file-noselect file))
> +
> +(cl-defmacro eglot--sniffing ((&key server-requests
> + server-notifications
> + server-replies
> + client-requests
> + client-notifications
> + client-replies)
> + &rest body)
> + "Run BODY saving LSP JSON messages in variables, most recent first."
> + (declare (indent 1) (debug (sexp &rest form)))
> + (let ((log-event-ad-sym (make-symbol "eglot--event-sniff")))
> + `(unwind-protect
> + (let ,(delq nil (list server-requests
> + server-notifications
> + server-replies
> + client-requests
> + client-notifications
> + client-replies))
> + (advice-add
> + #'jsonrpc--log-event :before
> + (lambda (_proc message &optional type)
> + (cl-destructuring-bind (&key method id _error
> &allow-other-keys)
> + message
> + (let ((req-p (and method id))
> + (notif-p method)
> + (reply-p id))
> + (cond
> + ((eq type 'server)
> + (cond (req-p ,(when server-requests
> + `(push message ,server-requests)))
> + (notif-p ,(when server-notifications
> + `(push message ,server-notifications)))
> + (reply-p ,(when server-replies
> + `(push message ,server-replies)))))
> + ((eq type 'client)
> + (cond (req-p ,(when client-requests
> + `(push message ,client-requests)))
> + (notif-p ,(when client-notifications
> + `(push message ,client-notifications)))
> + (reply-p ,(when client-replies
> + `(push message ,client-replies)))))))))
> + '((name . ,log-event-ad-sym)))
> + ,@body)
> + (advice-remove #'jsonrpc--log-event ',log-event-ad-sym))))
> +
> +(cl-defmacro eglot--wait-for ((events-sym &optional (timeout 1) message)
> args &body body)
> + "Spin until FN match in EVENTS-SYM, flush events after it.
> +Pass TIMEOUT to `eglot--with-timeout'."
> + (declare (indent 2) (debug (sexp sexp sexp &rest form)))
> + `(eglot--with-timeout '(,timeout ,(or message
> + (format "waiting for:\n%s"
> (pp-to-string body))))
> + (let ((event
> + (cl-loop thereis (cl-loop for json in ,events-sym
> + for method = (plist-get json :method)
> + when (keywordp method)
> + do (plist-put json :method
> + (substring
> + (symbol-name method)
> + 1))
> + when (funcall
> + (jsonrpc-lambda ,args ,@body)
> json)
> + return (cons json before)
> + collect json into before)
> + for i from 0
> + when (zerop (mod i 5))
> + ;; do (eglot--message "still struggling to find in %s"
> + ;; ,events-sym)
> + do
> + ;; `read-event' is essential to have the file
> + ;; watchers come through.
> + (read-event "[eglot] Waiting a bit..." nil 0.1)
> + (accept-process-output nil 0.1))))
> + (setq ,events-sym (cdr event))
> + (eglot--message "Event detected:\n%s"
> + (pp-to-string (car event))))))
> +
> +;; `rust-mode' is not a part of Emacs, so we define these two shims
> +;; which should be more than enough for testing.
> +(unless (functionp 'rust-mode)
> + (define-derived-mode rust-mode prog-mode "Rust")
> + (add-to-list 'auto-mode-alist '("\\.rs\\'" . rust-mode)))
> +
> +;; `typescript-mode' is not a part of Emacs, so we define these two
> +;; shims which should be more than enough for testing.
> +(unless (functionp 'typescript-mode)
> + (define-derived-mode typescript-mode prog-mode "TypeScript")
> + (add-to-list 'auto-mode-alist '("\\.ts\\'" . typescript-mode)))
> +
> +(defun eglot--tests-connect (&optional timeout)
> + (let* ((timeout (or timeout 10))
> + (eglot-sync-connect t)
> + (eglot-connect-timeout timeout))
> + (apply #'eglot--connect (eglot--guess-contact))))
> +
> +(defun eglot--simulate-key-event (char)
> + "Like (execute-kbd-macro (vector char)), but with `call-interactively'."
> + ;; Also, this is a bit similar to what electric-tests.el does.
> + (setq last-input-event char)
> + (setq last-command-event char)
> + (call-interactively (key-binding (vector char))))
> +
> +
> +;;; Unit tests
> +
> +(ert-deftest eclipse-connect ()
> + "Connect to eclipse.jdt.ls server."
> + (skip-unless (executable-find "jdtls"))
> + (eglot--with-fixture
> + '(("project/src/main/java/foo" . (("Main.java" . "")))
> + ("project/.git/" . nil))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/src/main/java/foo/Main.java")
> + (eglot--sniffing (:server-notifications s-notifs)
> + (should (eglot--tests-connect 20))
> + (eglot--wait-for (s-notifs 10)
> + (&key _id method &allow-other-keys)
> + (string= method "language/status"))))))
> +
> +(defun eglot-tests--auto-detect-running-server-1 ()
> + (let (server)
> + (eglot--with-fixture
> + `(("project" . (("coiso.c" . "bla")
> + ("merdix.c" . "bla")))
> + ("anotherproject" . (("cena.c" . "bla"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/coiso.c")
> + (should (setq server (eglot--tests-connect)))
> + (should (eglot-current-server)))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/merdix.c")
> + (should (eglot-current-server))
> + (should (eq (eglot-current-server) server)))
> + (with-current-buffer
> + (eglot--find-file-noselect "anotherproject/cena.c")
> + (should-error (eglot--current-server-or-lose))))))
> +
> +(ert-deftest auto-detect-running-server ()
> + "Visit a file and \\[eglot], then visit a neighbour."
> + (skip-unless (executable-find "clangd"))
> + (eglot-tests--auto-detect-running-server-1))
> +
> +(ert-deftest auto-shutdown ()
> + "Visit a file and \\[eglot], then kill buffer."
> + (skip-unless (executable-find "clangd"))
> + (let (server
> + buffer)
> + (eglot--with-fixture
> + `(("project" . (("thingy.c" . "int main() {return 0;}"))))
> + (with-current-buffer
> + (setq buffer (eglot--find-file-noselect "project/thingy.c"))
> + (should (setq server (eglot--tests-connect)))
> + (should (eglot-current-server))
> + (let ((eglot-autoshutdown nil)) (kill-buffer buffer))
> + (should (jsonrpc-running-p server))
> + ;; re-find file...
> + (setq buffer (eglot--find-file-noselect (buffer-file-name buffer)))
> + ;; ;; but now kill it with `eglot-autoshutdown' set to t
> + (let ((eglot-autoshutdown t)) (kill-buffer buffer))
> + (should (not (jsonrpc-running-p server)))))))
> +
> +(ert-deftest auto-reconnect ()
> + "Start a server. Kill it. Watch it reconnect."
> + (skip-unless (executable-find "clangd"))
> + (let (server (eglot-autoreconnect 1))
> + (eglot--with-fixture
> + `(("project" . (("thingy.c" . "bla")
> + ("thingy2.c" . "bla"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/thingy.c")
> + (should (setq server (eglot--tests-connect)))
> + ;; In 1.2 seconds > `eglot-autoreconnect' kill servers. We
> + ;; should have a automatic reconnection.
> + (run-with-timer 1.2 nil (lambda () (delete-process
> + (jsonrpc--process server))))
> + (while (jsonrpc-running-p server) (accept-process-output nil 0.5))
> + (should (eglot-current-server))
> + ;; Now try again too quickly
> + (setq server (eglot-current-server))
> + (let ((proc (jsonrpc--process server)))
> + (run-with-timer 0.5 nil (lambda () (delete-process proc)))
> + (while (process-live-p proc) (accept-process-output nil 0.5)))
> + (should (not (eglot-current-server)))))))
> +
> +(ert-deftest rust-analyzer-watches-files ()
> + "Start rust-analyzer. Notify it when a critical file changes."
> + (skip-unless (executable-find "rust-analyzer"))
> + (skip-unless (executable-find "cargo"))
> + (let ((eglot-autoreconnect 1))
> + (eglot--with-fixture
> + '(("watch-project" . (("coiso.rs" . "bla")
> + ("merdix.rs" . "bla"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "watch-project/coiso.rs")
> + (should (zerop (shell-command "cargo init")))
> + (eglot--sniffing (
> + :server-requests s-requests
> + :client-notifications c-notifs
> + :client-replies c-replies
> + )
> + (should (eglot--tests-connect))
> + (let (register-id)
> + (eglot--wait-for (s-requests 1)
> + (&key id method &allow-other-keys)
> + (setq register-id id)
> + (string= method "client/registerCapability"))
> + (eglot--wait-for (c-replies 1)
> + (&key id error &allow-other-keys)
> + (and (eq id register-id) (null error))))
> + (delete-file "Cargo.toml")
> + (eglot--wait-for
> + (c-notifs 3 "waiting for didChangeWatchedFiles notification")
> + (&key method params &allow-other-keys)
> + (and (string= method "workspace/didChangeWatchedFiles")
> + (cl-destructuring-bind (&key uri type)
> + (elt (plist-get params :changes) 0)
> + (and (string= (eglot--path-to-uri "Cargo.toml") uri)
> + (= type 3))))))))))
> +
> +(ert-deftest basic-diagnostics ()
> + "Test basic diagnostics."
> + (skip-unless (executable-find "clangd"))
> + (eglot--with-fixture
> + `(("diag-project" .
> + (("main.c" . "int main(){froat a = 42.2; return 0;}"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "diag-project/main.c")
> + (eglot--sniffing (:server-notifications s-notifs)
> + (eglot--tests-connect)
> + (eglot--wait-for (s-notifs 2)
> + (&key _id method &allow-other-keys)
> + (string= method "textDocument/publishDiagnostics"))
> + (flymake-start)
> + (goto-char (point-min))
> + (flymake-goto-next-error 1 '() t)
> + (should (eq 'flymake-error (face-at-point)))))))
> +
> +(ert-deftest diagnostic-tags-unnecessary-code ()
> + "Test rendering of diagnostics tagged \"unnecessary\"."
> + (skip-unless (executable-find "rust-analyzer"))
> + (eglot--with-fixture
> + '(("diagnostic-tag-project" .
> + (("main.rs" .
> + "fn main() -> () { let test=3; }"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "diagnostic-tag-project/main.rs")
> + (let ((eglot-server-programs '((rust-mode . ("rust-analyzer")))))
> + (should (zerop (shell-command "cargo init")))
> + (eglot--sniffing (:server-notifications s-notifs)
> + (eglot--tests-connect)
> + (eglot--wait-for (s-notifs 10)
> + (&key _id method &allow-other-keys)
> + (string= method "textDocument/publishDiagnostics"))
> + (flymake-start)
> + (goto-char (point-min))
> + (flymake-goto-next-error 1 '() t)
> + (should (eq 'eglot-diagnostic-tag-unnecessary-face
> (face-at-point))))))))
> +
> +(defun eglot--eldoc-on-demand ()
> + ;; Trick Eldoc 1.1.0 into accepting on-demand calls.
> + (eldoc t))
> +
> +(defun eglot--tests-force-full-eldoc ()
> + ;; FIXME: This uses some Eldoc implementation defatils.
> + (when (buffer-live-p eldoc--doc-buffer)
> + (with-current-buffer eldoc--doc-buffer
> + (let ((inhibit-read-only t))
> + (erase-buffer))))
> + (eglot--eldoc-on-demand)
> + (cl-loop
> + repeat 10
> + for retval = (and (buffer-live-p eldoc--doc-buffer)
> + (with-current-buffer eldoc--doc-buffer
> + (let ((bs (buffer-string)))
> + (unless (zerop (length bs)) bs))))
> + when retval return retval
> + do (sit-for 0.5)
> + finally (error "eglot--tests-force-full-eldoc didn't deliver")))
> +
> +(ert-deftest rust-analyzer-hover-after-edit ()
> + "Hover and highlightChanges."
> + (skip-unless (executable-find "rust-analyzer"))
> + (skip-unless (executable-find "cargo"))
> + (eglot--with-fixture
> + '(("hover-project" .
> + (("main.rs" .
> + "fn test() -> i32 { let test=3; return te; }"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "hover-project/main.rs")
> + (should (zerop (shell-command "cargo init")))
> + (eglot--sniffing (
> + :server-replies s-replies
> + :client-requests c-reqs
> + )
> + (eglot--tests-connect)
> + (goto-char (point-min))
> + (search-forward "return te")
> + (insert "st")
> + (progn
> + ;; simulate these two which don't happen when buffer isn't
> + ;; visible in a window.
> + (eglot--signal-textDocument/didChange)
> + (eglot--eldoc-on-demand))
> + (let (pending-id)
> + (eglot--wait-for (c-reqs 2)
> + (&key id method &allow-other-keys)
> + (setq pending-id id)
> + (string= method "textDocument/documentHighlight"))
> + (eglot--wait-for (s-replies 2)
> + (&key id &allow-other-keys)
> + (eq id pending-id)))))))
> +
> +(ert-deftest rename-a-symbol ()
> + "Test basic symbol renaming."
> + (skip-unless (executable-find "clangd"))
> + (eglot--with-fixture
> + `(("rename-project"
> + . (("main.c" .
> + "int foo() {return 42;} int main() {return foo();}"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "rename-project/main.c")
> + (eglot--tests-connect)
> + (goto-char (point-min)) (search-forward "foo")
> + (eglot-rename "bar")
> + (should (equal (buffer-string)
> + "int bar() {return 42;} int main() {return bar();}")))))
> +
> +(ert-deftest basic-completions ()
> + "Test basic autocompletion in a python LSP."
> + (skip-unless (executable-find "pylsp"))
> + (eglot--with-fixture
> + `(("project" . (("something.py" . "import sys\nsys.exi"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.py")
> + (should (eglot--tests-connect))
> + (goto-char (point-max))
> + (completion-at-point)
> + (should (looking-back "sys.exit")))))
> +
> +(ert-deftest non-unique-completions ()
> + "Test completion resulting in 'Complete, but not unique'."
> + (skip-unless (executable-find "pylsp"))
> + (eglot--with-fixture
> + '(("project" . (("something.py" . "foo=1\nfoobar=2\nfoo"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.py")
> + (should (eglot--tests-connect))
> + (goto-char (point-max))
> + (completion-at-point))
> + ;; FIXME: `current-message' doesn't work here :-(
> + (with-current-buffer (messages-buffer)
> + (save-excursion
> + (goto-char (point-max))
> + (forward-line -1)
> + (should (looking-at "Complete, but not unique"))))))
> +
> +(ert-deftest basic-xref ()
> + "Test basic xref functionality in a python LSP."
> + (skip-unless (executable-find "pylsp"))
> + (eglot--with-fixture
> + `(("project" . (("something.py" . "def foo(): pass\ndef bar():
> foo()"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.py")
> + (should (eglot--tests-connect))
> + (search-forward "bar(): f")
> + (call-interactively 'xref-find-definitions)
> + (should (looking-at "foo(): pass")))))
> +
> +(defvar eglot--test-python-buffer
> + "\
> +def foobarquux(a, b, c=True): pass
> +def foobazquuz(d, e, f): pass
> +")
> +
> +(declare-function yas-minor-mode nil)
> +
> +(ert-deftest snippet-completions ()
> + "Test simple snippet completion in a python LSP."
> + (skip-unless (and (executable-find "pylsp")
> + (functionp 'yas-minor-mode)))
> + (eglot--with-fixture
> + `(("project" . (("something.py" . ,eglot--test-python-buffer))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.py")
> + (yas-minor-mode 1)
> + (let ((eglot-workspace-configuration
> + `((:pylsp . (:plugins (:jedi_completion (:include_params
> t)))))))
> + (should (eglot--tests-connect)))
> + (goto-char (point-max))
> + (insert "foobar")
> + (completion-at-point)
> + (should (looking-back "foobarquux("))
> + (should (looking-at "a, b)")))))
> +
> +(defvar company-candidates)
> +(declare-function company-mode nil)
> +(declare-function company-complete nil)
> +
> +(ert-deftest snippet-completions-with-company ()
> + "Test simple snippet completion in a python LSP."
> + (skip-unless (and (executable-find "pylsp")
> + (functionp 'yas-minor-mode)
> + (functionp 'company-complete)))
> + (eglot--with-fixture
> + `(("project" . (("something.py" . ,eglot--test-python-buffer))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.py")
> + (yas-minor-mode 1)
> + (let ((eglot-workspace-configuration
> + `((:pylsp . (:plugins (:jedi_completion (:include_params
> t)))))))
> + (should (eglot--tests-connect)))
> + (goto-char (point-max))
> + (insert "foo")
> + (company-mode)
> + (company-complete)
> + (should (looking-back "fooba"))
> + (should (= 2 (length company-candidates)))
> + ;; this last one is brittle, since there it is possible that
> + ;; pylsp will change the representation of this candidate
> + (should (member "foobazquuz(d, e, f)" company-candidates)))))
> +
> +(ert-deftest eglot-eldoc-after-completions ()
> + "Test documentation echo in a python LSP."
> + (skip-unless (executable-find "pylsp"))
> + (eglot--with-fixture
> + `(("project" . (("something.py" . "import sys\nsys.exi"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.py")
> + (should (eglot--tests-connect))
> + (goto-char (point-max))
> + (completion-at-point)
> + (should (looking-back "sys.exit"))
> + (should (string-match "^exit" (eglot--tests-force-full-eldoc))))))
> +
> +(ert-deftest eglot-multiline-eldoc ()
> + "Test if suitable amount of lines of hover info are shown."
> + (skip-unless (executable-find "pylsp"))
> + (eglot--with-fixture
> + `(("project" . (("hover-first.py" . "from datetime import datetime"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/hover-first.py")
> + (should (eglot--tests-connect))
> + (goto-char (point-max))
> + ;; one-line
> + (let* ((eldoc-echo-area-use-multiline-p t)
> + (captured-message (eglot--tests-force-full-eldoc)))
> + (should (string-match "datetim" captured-message))
> + (should (cl-find ?\n captured-message))))))
> +
> +(ert-deftest eglot-single-line-eldoc ()
> + "Test if suitable amount of lines of hover info are shown."
> + (skip-unless (executable-find "pylsp"))
> + (eglot--with-fixture
> + `(("project" . (("hover-first.py" . "from datetime import datetime"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/hover-first.py")
> + (should (eglot--tests-connect))
> + (goto-char (point-max))
> + ;; one-line
> + (let* ((eldoc-echo-area-use-multiline-p nil)
> + (captured-message (eglot--tests-force-full-eldoc)))
> + (should (string-match "datetim" captured-message))
> + (should (not (cl-find ?\n eldoc-last-message)))))))
> +
> +(ert-deftest python-autopep-formatting ()
> + "Test formatting in the pylsp python LSP.
> +pylsp prefers autopep over yafp, despite its README stating the contrary."
> + ;; Beware, default autopep rules can change over time, which may
> + ;; affect this test.
> + (skip-unless (and (executable-find "pylsp")
> + (executable-find "autopep8")))
> + (eglot--with-fixture
> + `(("project" . (("something.py" . "def a():pass\n\ndef b():pass"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.py")
> + (should (eglot--tests-connect))
> + ;; Try to format just the second line
> + (search-forward "b():pa")
> + (eglot-format (line-beginning-position) (line-end-position))
> + (should (looking-at "ss"))
> + (should
> + (string= (buffer-string) "def a():pass\n\n\ndef b(): pass\n"))
> + ;; now format the whole buffer
> + (eglot-format-buffer)
> + (should
> + (string= (buffer-string) "def a(): pass\n\n\ndef b(): pass\n")))))
> +
> +(ert-deftest python-yapf-formatting ()
> + "Test formatting in the pylsp python LSP."
> + (skip-unless (and (executable-find "pylsp")
> + (not (executable-find "autopep8"))
> + (or (executable-find "yapf")
> + (executable-find "yapf3"))))
> + (eglot--with-fixture
> + `(("project" . (("something.py" . "def a():pass\ndef b():pass"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.py")
> + (should (eglot--tests-connect))
> + ;; Try to format just the second line
> + (search-forward "b():pa")
> + (eglot-format (line-beginning-position) (line-end-position))
> + (should (looking-at "ss"))
> + (should
> + (string= (buffer-string) "def a():pass\n\n\ndef b():\n pass\n"))
> + ;; now format the whole buffer
> + (eglot-format-buffer)
> + (should
> + (string= (buffer-string) "def a():\n pass\n\n\ndef b():\n
> pass\n")))))
> +
> +(ert-deftest rust-on-type-formatting ()
> + "Test textDocument/onTypeFormatting agains rust-analyzer."
> + (skip-unless (executable-find "rust-analyzer"))
> + (skip-unless (executable-find "cargo"))
> + (eglot--with-fixture
> + '(("on-type-formatting-project" .
> + (("main.rs" .
> + "fn main() -> () {\n foo\n .bar()\n "))))
> + (with-current-buffer
> + (eglot--find-file-noselect "on-type-formatting-project/main.rs")
> + (let ((eglot-server-programs '((rust-mode . ("rust-analyzer")))))
> + (should (zerop (shell-command "cargo init")))
> + (eglot--sniffing (:server-notifications s-notifs)
> + (should (eglot--tests-connect))
> + (eglot--wait-for (s-notifs 10) (&key method &allow-other-keys)
> + (string= method "textDocument/publishDiagnostics")))
> + (goto-char (point-max))
> + (eglot--simulate-key-event ?.)
> + (should (looking-back "^ \\."))))))
> +
> +(ert-deftest javascript-basic ()
> + "Test basic autocompletion in a JavaScript LSP."
> + (skip-unless (executable-find "typescript-language-server"))
> + (eglot--with-fixture
> + '(("project" . (("hello.js" . "console.log('Hello world!');"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/hello.js")
> + (let ((eglot-server-programs
> + '((js-mode . ("typescript-language-server" "--stdio")))))
> + (goto-char (point-max))
> + (eglot--sniffing (:server-notifications
> + s-notifs
> + :client-notifications
> + c-notifs)
> + (should (eglot--tests-connect))
> + (eglot--wait-for (s-notifs 2) (&key method &allow-other-keys)
> + (string= method "textDocument/publishDiagnostics"))
> + (should (not (eq 'flymake-error (face-at-point))))
> + (insert "{")
> + (eglot--signal-textDocument/didChange)
> + (eglot--wait-for (c-notifs 1) (&key method &allow-other-keys)
> + (string= method "textDocument/didChange"))
> + (eglot--wait-for (s-notifs 2) (&key params method
> &allow-other-keys)
> + (and (string= method "textDocument/publishDiagnostics")
> + (cl-destructuring-bind (&key _uri diagnostics) params
> + (cl-find-if (jsonrpc-lambda (&key severity
> &allow-other-keys)
> + (= severity 1))
> + diagnostics)))))))))
> +
> +(ert-deftest project-wide-diagnostics-typescript ()
> + "Test diagnostics through multiple files in a TypeScript LSP."
> + (skip-unless (executable-find "typescript-language-server"))
> + (eglot--with-fixture
> + '(("project" . (("hello.ts" . "const thing = 5;\nexport { thin }")
> + ("hello2.ts" . "import { thing } from './hello'"))))
> + (eglot--make-file-or-dir '(".git"))
> + (let ((eglot-server-programs
> + '((typescript-mode . ("typescript-language-server" "--stdio")))))
> + ;; Check both files because typescript-language-server doesn't
> + ;; report all errors on startup, at least not with such a simple
> + ;; setup.
> + (with-current-buffer (eglot--find-file-noselect "project/hello2.ts")
> + (eglot--sniffing (:server-notifications s-notifs)
> + (eglot--tests-connect)
> + (flymake-start)
> + (eglot--wait-for (s-notifs 10)
> + (&key _id method &allow-other-keys)
> + (string= method "textDocument/publishDiagnostics"))
> + (should (= 2 (length (flymake--project-diagnostics)))))
> + (with-current-buffer (eglot--find-file-noselect "hello.ts")
> + (eglot--sniffing (:server-notifications s-notifs)
> + (flymake-start)
> + (eglot--wait-for (s-notifs 10)
> + (&key _id method &allow-other-keys)
> + (string= method "textDocument/publishDiagnostics"))
> + (should (= 4 (length (flymake--project-diagnostics))))))))))
> +
> +(ert-deftest project-wide-diagnostics-rust-analyzer ()
> + "Test diagnostics through multiple files in a TypeScript LSP."
> + (skip-unless (executable-find "rust-analyzer"))
> + (eglot--with-fixture
> + '(("project" .
> + (("main.rs" .
> + "fn main() -> () { let test=3; }")
> + ("other-file.rs" .
> + "fn foo() -> () { let hi=3; }"))))
> + (eglot--make-file-or-dir '(".git"))
> + (let ((eglot-server-programs '((rust-mode . ("rust-analyzer")))))
> + ;; Open other-file, and see diagnostics arrive for main.rs
> + (with-current-buffer (eglot--find-file-noselect
> "project/other-file.rs")
> + (should (zerop (shell-command "cargo init")))
> + (eglot--sniffing (:server-notifications s-notifs)
> + (eglot--tests-connect)
> + (flymake-start)
> + (eglot--wait-for (s-notifs 10)
> + (&key _id method &allow-other-keys)
> + (string= method "textDocument/publishDiagnostics"))
> + (let ((diags (flymake--project-diagnostics)))
> + (should (= 2 (length diags)))
> + ;; Check that we really get a diagnostic from main.rs, and
> + ;; not from other-file.rs
> + (should (string-suffix-p
> + "main.rs"
> + (flymake-diagnostic-buffer (car diags))))))))))
> +
> +(ert-deftest json-basic ()
> + "Test basic autocompletion in vscode-json-languageserver."
> + (skip-unless (executable-find "vscode-json-languageserver"))
> + (eglot--with-fixture
> + '(("project" .
> + (("p.json" . "{\"foo.b")
> + ("s.json" . "{\"properties\":{\"foo.bar\":{\"default\":\"fb\"}}}")
> + (".git" . nil))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/p.json")
> + (yas-minor-mode)
> + (goto-char 2)
> + (insert "\"$schema\": \"file://"
> + (file-name-directory buffer-file-name) "s.json\",")
> + (let ((eglot-server-programs
> + '((js-mode . ("vscode-json-languageserver" "--stdio")))))
> + (goto-char (point-max))
> + (should (eglot--tests-connect))
> + (completion-at-point)
> + (should (looking-back "\"foo.bar\": \""))
> + (should (looking-at "fb\"$"))))))
> +
> +(defun eglot-tests--lsp-abiding-column-1 ()
> + (eglot--with-fixture
> + '(("project" .
> + (("foo.c" . "const char write_data[] =
> u8\"🚂🚃🚄🚅🚆🚈🚇🚈🚉🚊🚋🚌🚎🚝🚞🚟🚠🚡🛤🛲\";"))))
> + (let ((eglot-server-programs
> + '((c-mode . ("clangd")))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/foo.c")
> + (setq-local eglot-move-to-column-function
> #'eglot-move-to-lsp-abiding-column)
> + (setq-local eglot-current-column-function #'eglot-lsp-abiding-column)
> + (eglot--sniffing (:client-notifications c-notifs)
> + (eglot--tests-connect)
> + (end-of-line)
> + (insert "p ")
> + (eglot--signal-textDocument/didChange)
> + (eglot--wait-for (c-notifs 2) (&key params &allow-other-keys)
> + (should (equal 71 (cadddr (cadadr (aref (cadddr params) 0))))))
> + (beginning-of-line)
> + (should (eq eglot-move-to-column-function
> #'eglot-move-to-lsp-abiding-column))
> + (funcall eglot-move-to-column-function 71)
> + (should (looking-at "p")))))))
> +
> +(ert-deftest eglot-lsp-abiding-column ()
> + "Test basic `eglot-lsp-abiding-column' and
> `eglot-move-to-lsp-abiding-column'."
> + (skip-unless (executable-find "clangd"))
> + (eglot-tests--lsp-abiding-column-1))
> +
> +(ert-deftest eglot-ensure ()
> + "Test basic `eglot-ensure' functionality."
> + (skip-unless (executable-find "clangd"))
> + (eglot--with-fixture
> + `(("project" . (("foo.c" . "int foo() {return 42;}")
> + ("bar.c" . "int bar() {return 42;}")))
> + (c-mode-hook (eglot-ensure)))
> + (let (server)
> + ;; need `ert-simulate-command' because `eglot-ensure'
> + ;; relies on `post-command-hook'.
> + (with-current-buffer
> + (ert-simulate-command
> + '(find-file "project/foo.c"))
> + ;; FIXME: This test fails without this sleep on my machine.
> + ;; Figure out why and solve this more cleanly.
> + (sleep-for 0.1)
> + (should (setq server (eglot-current-server))))
> + (with-current-buffer
> + (ert-simulate-command
> + '(find-file "project/bar.c"))
> + (should (eq server (eglot-current-server)))))))
> +
> +(ert-deftest slow-sync-connection-wait ()
> + "Connect with `eglot-sync-connect' set to t."
> + (skip-unless (executable-find "clangd"))
> + (eglot--with-fixture
> + `(("project" . (("something.c" . "int foo() {return 42;}"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.c")
> + (let ((eglot-sync-connect t)
> + (eglot-server-programs
> + `((c-mode . ("sh" "-c" "sleep 1 && clangd")))))
> + (should (eglot--tests-connect 3))))))
> +
> +(ert-deftest slow-sync-connection-intime ()
> + "Connect synchronously with `eglot-sync-connect' set to 2."
> + (skip-unless (executable-find "clangd"))
> + (eglot--with-fixture
> + `(("project" . (("something.c" . "int foo() {return 42;}"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.c")
> + (let ((eglot-sync-connect 2)
> + (eglot-server-programs
> + `((c-mode . ("sh" "-c" "sleep 1 && clangd")))))
> + (should (eglot--tests-connect 3))))))
> +
> +(ert-deftest slow-async-connection ()
> + "Connect asynchronously with `eglot-sync-connect' set to 2."
> + (skip-unless (executable-find "clangd"))
> + (eglot--with-fixture
> + `(("project" . (("something.c" . "int foo() {return 42;}"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.c")
> + (let ((eglot-sync-connect 1)
> + (eglot-server-programs
> + `((c-mode . ("sh" "-c" "sleep 2 && clangd")))))
> + (should-not (apply #'eglot--connect (eglot--guess-contact)))
> + (eglot--with-timeout 3
> + (while (not (eglot-current-server))
> + (accept-process-output nil 0.2))
> + (should (eglot-current-server)))))))
> +
> +(ert-deftest slow-sync-timeout ()
> + "Failed attempt at connection synchronously."
> + (skip-unless (executable-find "clangd"))
> + (eglot--with-fixture
> + `(("project" . (("something.c" . "int foo() {return 42;}"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/something.c")
> + (let ((eglot-sync-connect t)
> + (eglot-connect-timeout 1)
> + (eglot-server-programs
> + `((c-mode . ("sh" "-c" "sleep 2 && clangd")))))
> + (should-error (apply #'eglot--connect (eglot--guess-contact)))))))
> +
> +(ert-deftest eglot-capabilities ()
> + "Unit test for `eglot--server-capable'."
> + (cl-letf (((symbol-function 'eglot--capabilities)
> + (lambda (_dummy)
> + ;; test data lifted from Golangserver example at
> + ;; https://github.com/joaotavora/eglot/pull/74
> + (list :textDocumentSync 2 :hoverProvider t
> + :completionProvider '(:triggerCharacters ["."])
> + :signatureHelpProvider '(:triggerCharacters ["(" ","])
> + :definitionProvider t :typeDefinitionProvider t
> + :referencesProvider t :documentSymbolProvider t
> + :workspaceSymbolProvider t :implementationProvider t
> + :documentFormattingProvider t
> :xworkspaceReferencesProvider t
> + :xdefinitionProvider t :xworkspaceSymbolByProperties
> t)))
> + ((symbol-function 'eglot--current-server-or-lose)
> + (lambda () nil)))
> + (should (eql 2 (eglot--server-capable :textDocumentSync)))
> + (should (eglot--server-capable :completionProvider :triggerCharacters))
> + (should (equal '(:triggerCharacters ["."]) (eglot--server-capable
> :completionProvider)))
> + (should-not (eglot--server-capable :foobarbaz))
> + (should-not (eglot--server-capable :textDocumentSync :foobarbaz))))
> +
> +(defmacro eglot--without-interface-warnings (&rest body)
> + (let ((eglot-strict-mode nil))
> + (macroexpand-all (macroexp-progn body) macroexpand-all-environment)))
> +
> +(ert-deftest eglot-strict-interfaces ()
> + (let ((eglot--lsp-interface-alist
> + `((FooObject . ((:foo :bar) (:baz))))))
> + (eglot--without-interface-warnings
> + (should
> + (equal '("foo" . "bar")
> + (let ((eglot-strict-mode nil))
> + (eglot--dbind (foo bar) `(:foo "foo" :bar "bar")
> + (cons foo bar)))))
> + (should-error
> + (let ((eglot-strict-mode '(disallow-non-standard-keys)))
> + (eglot--dbind (foo bar) `(:foo "foo" :bar "bar" :fotrix bargh)
> + (cons foo bar))))
> + (should
> + (equal '("foo" . "bar")
> + (let ((eglot-strict-mode nil))
> + (eglot--dbind (foo bar) `(:foo "foo" :bar "bar" :fotrix bargh)
> + (cons foo bar)))))
> + (should-error
> + (let ((eglot-strict-mode '(disallow-non-standard-keys)))
> + (eglot--dbind ((FooObject) foo bar) `(:foo "foo" :bar "bar" :fotrix
> bargh)
> + (cons foo bar))))
> + (should
> + (equal '("foo" . "bar")
> + (let ((eglot-strict-mode '(disallow-non-standard-keys)))
> + (eglot--dbind ((FooObject) foo bar) `(:foo "foo" :bar "bar"
> :baz bargh)
> + (cons foo bar)))))
> + (should
> + (equal '("foo" . nil)
> + (let ((eglot-strict-mode nil))
> + (eglot--dbind ((FooObject) foo bar) `(:foo "foo" :baz bargh)
> + (cons foo bar)))))
> + (should
> + (equal '("foo" . "bar")
> + (let ((eglot-strict-mode '(enforce-required-keys)))
> + (eglot--dbind ((FooObject) foo bar) `(:foo "foo" :bar "bar"
> :baz bargh)
> + (cons foo bar)))))
> + (should-error
> + (let ((eglot-strict-mode '(enforce-required-keys)))
> + (eglot--dbind ((FooObject) foo bar) `(:foo "foo" :baz bargh)
> + (cons foo bar)))))))
> +
> +(ert-deftest eglot-dcase ()
> + (eglot--without-interface-warnings
> + (let ((eglot--lsp-interface-alist
> + `((FooObject . ((:foo :bar) (:baz)))
> + (CodeAction (:title) (:kind :diagnostics :edit :command))
> + (Command ((:title . string) (:command . string)) (:arguments)))))
> + (should
> + (equal
> + "foo"
> + (eglot--dcase `(:foo "foo" :bar "bar")
> + (((FooObject) foo)
> + foo))))
> + (should
> + (equal
> + (list "foo" '(:title "hey" :command "ho") "some edit")
> + (eglot--dcase '(:title "foo"
> + :command (:title "hey" :command "ho")
> + :edit "some edit")
> + (((Command) _title _command _arguments)
> + (ert-fail "Shouldn't have destructured this object as a Command"))
> + (((CodeAction) title edit command)
> + (list title command edit)))))
> + (should
> + (equal
> + (list "foo" "some command" nil)
> + (eglot--dcase '(:title "foo" :command "some command")
> + (((Command) title command arguments)
> + (list title command arguments))
> + (((CodeAction) _title _edit _command)
> + (ert-fail "Shouldn't have destructured this object as a
> CodeAction"))))))))
> +
> +(ert-deftest eglot-dcase-issue-452 ()
> + (let ((eglot--lsp-interface-alist
> + `((FooObject . ((:foo :bar) (:baz)))
> + (CodeAction (:title) (:kind :diagnostics :edit :command))
> + (Command ((string . :title) (:command . string)) (:arguments)))))
> + (should
> + (equal
> + (list "foo" '(:command "cmd" :title "alsofoo"))
> + (eglot--dcase '(:title "foo" :command (:command "cmd" :title
> "alsofoo"))
> + (((Command) _title _command _arguments)
> + (ert-fail "Shouldn't have destructured this object as a Command"))
> + (((CodeAction) title command)
> + (list title command)))))))
> +
> +(cl-defmacro eglot--guessing-contact ((interactive-sym
> + prompt-args-sym
> + guessed-class-sym guessed-contact-sym
> + &optional guessed-lang-id-sym)
> + &body body)
> + "Guess LSP contact with `eglot--guessing-contact', evaluate BODY.
> +
> +BODY is evaluated twice, with INTERACTIVE bound to the boolean passed to
> +`eglot--guess-contact' each time.
> +
> +If the user would have been prompted, PROMPT-ARGS-SYM is bound to
> +the list of arguments that would have been passed to
> +`read-shell-command', else nil. GUESSED-CLASS-SYM,
> +GUESSED-CONTACT-SYM and GUESSED-LANG-ID-SYM are bound to the
> +useful return values of `eglot--guess-contact'. Unless the
> +server program evaluates to \"a-missing-executable.exe\", this
> +macro will assume it exists."
> + (declare (indent 1) (debug t))
> + (let ((i-sym (cl-gensym)))
> + `(dolist (,i-sym '(nil t))
> + (let ((,interactive-sym ,i-sym)
> + (buffer-file-name "_")
> + ,@(when prompt-args-sym `((,prompt-args-sym nil))))
> + (cl-letf (((symbol-function 'executable-find)
> + (lambda (name &optional _remote)
> + (unless (string-equal name "a-missing-executable.exe")
> + (format "/totally-mock-bin/%s" name))))
> + ((symbol-function 'read-shell-command)
> + ,(if prompt-args-sym
> + `(lambda (&rest args) (setq ,prompt-args-sym args)
> "")
> + `(lambda (&rest _dummy) ""))))
> + (cl-destructuring-bind
> + (_ _ ,guessed-class-sym ,guessed-contact-sym
> + ,(or guessed-lang-id-sym '_))
> + (eglot--guess-contact ,i-sym)
> + ,@body))))))
> +
> +(ert-deftest eglot-server-programs-simple-executable ()
> + (let ((eglot-server-programs '((foo-mode "some-executable")))
> + (major-mode 'foo-mode))
> + (eglot--guessing-contact (_ prompt-args guessed-class guessed-contact)
> + (should (not prompt-args))
> + (should (equal guessed-class 'eglot-lsp-server))
> + (should (equal guessed-contact '("some-executable"))))))
> +
> +(ert-deftest eglot-server-programs-simple-missing-executable ()
> + (let ((eglot-server-programs '((foo-mode "a-missing-executable.exe")))
> + (major-mode 'foo-mode))
> + (eglot--guessing-contact (interactive-p prompt-args guessed-class
> guessed-contact)
> + (should (equal (not prompt-args) (not interactive-p)))
> + (should (equal guessed-class 'eglot-lsp-server))
> + (should (or prompt-args
> + (equal guessed-contact '("a-missing-executable.exe")))))))
> +
> +(ert-deftest eglot-server-programs-executable-multiple-major-modes ()
> + (let ((eglot-server-programs '(((bar-mode foo-mode) "some-executable")))
> + (major-mode 'foo-mode))
> + (eglot--guessing-contact (_ prompt-args guessed-class guessed-contact)
> + (should (not prompt-args))
> + (should (equal guessed-class 'eglot-lsp-server))
> + (should (equal guessed-contact '("some-executable"))))))
> +
> +(ert-deftest eglot-server-programs-executable-with-arg ()
> + (let ((eglot-server-programs '((foo-mode "some-executable" "arg1")))
> + (major-mode 'foo-mode))
> + (eglot--guessing-contact (_ prompt-args guessed-class guessed-contact)
> + (should (not prompt-args))
> + (should (equal guessed-class 'eglot-lsp-server))
> + (should (equal guessed-contact '("some-executable" "arg1"))))))
> +
> +(ert-deftest eglot-server-programs-executable-with-args-and-autoport ()
> + (let ((eglot-server-programs '((foo-mode "some-executable" "arg1"
> + :autoport "arg2")))
> + (major-mode 'foo-mode))
> + (eglot--guessing-contact (_ prompt-args guessed-class guessed-contact)
> + (should (not prompt-args))
> + (should (equal guessed-class 'eglot-lsp-server))
> + (should (equal guessed-contact '("some-executable" "arg1"
> + :autoport "arg2"))))))
> +
> +(ert-deftest eglot-server-programs-host-and-port ()
> + (let ((eglot-server-programs '((foo-mode "somehost.example.com" 7777)))
> + (major-mode 'foo-mode))
> + (eglot--guessing-contact (_ prompt-args guessed-class guessed-contact)
> + (should (not prompt-args))
> + (should (equal guessed-class 'eglot-lsp-server))
> + (should (equal guessed-contact '("somehost.example.com" 7777))))))
> +
> +(ert-deftest eglot-server-programs-host-and-port-and-tcp-args ()
> + (let ((eglot-server-programs '((foo-mode "somehost.example.com" 7777
> + :type network)))
> + (major-mode 'foo-mode))
> + (eglot--guessing-contact (_ prompt-args guessed-class guessed-contact)
> + (should (not prompt-args))
> + (should (equal guessed-class 'eglot-lsp-server))
> + (should (equal guessed-contact '("somehost.example.com" 7777
> + :type network))))))
> +
> +(ert-deftest eglot-server-programs-class-name-and-plist ()
> + (let ((eglot-server-programs '((foo-mode bar-class :init-key init-val)))
> + (major-mode 'foo-mode))
> + (eglot--guessing-contact (_ prompt-args guessed-class guessed-contact)
> + (should (not prompt-args))
> + (should (equal guessed-class 'bar-class))
> + (should (equal guessed-contact '(:init-key init-val))))))
> +
> +(ert-deftest eglot-server-programs-class-name-and-contact-spec ()
> + (let ((eglot-server-programs '((foo-mode bar-class "some-executable" "arg1"
> + :autoport "arg2")))
> + (major-mode 'foo-mode))
> + (eglot--guessing-contact (_ prompt-args guessed-class guessed-contact)
> + (should (not prompt-args))
> + (should (equal guessed-class 'bar-class))
> + (should (equal guessed-contact '("some-executable" "arg1"
> + :autoport "arg2"))))))
> +
> +(ert-deftest eglot-server-programs-function ()
> + (let ((eglot-server-programs '((foo-mode . (lambda (&optional _)
> + '("some-executable")))))
> + (major-mode 'foo-mode))
> + (eglot--guessing-contact (_ prompt-args guessed-class guessed-contact)
> + (should (not prompt-args))
> + (should (equal guessed-class 'eglot-lsp-server))
> + (should (equal guessed-contact '("some-executable"))))))
> +
> +(ert-deftest eglot-server-programs-guess-lang ()
> + (let ((major-mode 'foo-mode))
> + (let ((eglot-server-programs '((foo-mode . ("prog-executable")))))
> + (eglot--guessing-contact (_ nil _ _ guessed-lang)
> + (should (equal guessed-lang "foo"))))
> + (let ((eglot-server-programs '(((foo-mode :language-id "bar")
> + . ("prog-executable")))))
> + (eglot--guessing-contact (_ nil _ _ guessed-lang)
> + (should (equal guessed-lang "bar"))))
> + (let ((eglot-server-programs '(((baz-mode (foo-mode :language-id "bar"))
> + . ("prog-executable")))))
> + (eglot--guessing-contact (_ nil _ _ guessed-lang)
> + (should (equal guessed-lang "bar"))))))
> +
> +(defun eglot--glob-match (glob str)
> + (funcall (eglot--glob-compile glob t t) str))
> +
> +(ert-deftest eglot--glob-test ()
> + (should (eglot--glob-match "foo/**/baz" "foo/bar/baz"))
> + (should (eglot--glob-match "foo/**/baz" "foo/baz"))
> + (should-not (eglot--glob-match "foo/**/baz" "foo/bar"))
> + (should (eglot--glob-match "foo/**/baz/**/quuz" "foo/baz/foo/quuz"))
> + (should (eglot--glob-match "foo/**/baz/**/quuz"
> "foo/foo/foo/baz/foo/quuz"))
> + (should-not (eglot--glob-match "foo/**/baz/**/quuz"
> "foo/foo/foo/ding/foo/quuz"))
> + (should (eglot--glob-match "*.js" "foo.js"))
> + (should-not (eglot--glob-match "*.js" "foo.jsx"))
> + (should (eglot--glob-match "foo/**/*.js" "foo/bar/baz/foo.js"))
> + (should-not (eglot--glob-match "foo/**/*.js" "foo/bar/baz/foo.jsx"))
> + (should (eglot--glob-match "*.{js,ts}" "foo.js"))
> + (should-not (eglot--glob-match "*.{js,ts}" "foo.xs"))
> + (should (eglot--glob-match "foo/**/*.{js,ts}" "foo/bar/baz/foo.ts"))
> + (should (eglot--glob-match "foo/**/*.{js,ts}x" "foo/bar/baz/foo.tsx"))
> + (should (eglot--glob-match "?oo.js" "foo.js"))
> + (should (eglot--glob-match "foo/**/*.{js,ts}?" "foo/bar/baz/foo.tsz"))
> + (should (eglot--glob-match "foo/**/*.{js,ts}?" "foo/bar/baz/foo.tsz"))
> + (should (eglot--glob-match "example.[!0-9]" "example.a"))
> + (should-not (eglot--glob-match "example.[!0-9]" "example.0"))
> + (should (eglot--glob-match "example.[0-9]" "example.0"))
> + (should-not (eglot--glob-match "example.[0-9]" "example.a"))
> + (should (eglot--glob-match "**/bar/" "foo/bar/"))
> + (should-not (eglot--glob-match "foo.hs" "fooxhs"))
> +
> + ;; Some more tests
> + (should (eglot--glob-match "**/.*" ".git"))
> + (should (eglot--glob-match ".?" ".o"))
> + (should (eglot--glob-match "**/.*" ".hidden.txt"))
> + (should (eglot--glob-match "**/.*" "path/.git"))
> + (should (eglot--glob-match "**/.*" "path/.hidden.txt"))
> + (should (eglot--glob-match "**/node_modules/**" "node_modules/"))
> + (should (eglot--glob-match "{foo,bar}/**" "foo/test"))
> + (should (eglot--glob-match "{foo,bar}/**" "bar/test"))
> + (should (eglot--glob-match "some/**/*" "some/foo.js"))
> + (should (eglot--glob-match "some/**/*" "some/folder/foo.js"))
> +
> + ;; VSCode supposedly supports this, not sure if good idea.
> + ;;
> + ;; (should (eglot--glob-match "**/node_modules/**" "node_modules"))
> + ;; (should (eglot--glob-match "{foo,bar}/**" "foo"))
> + ;; (should (eglot--glob-match "{foo,bar}/**" "bar"))
> +
> + ;; VSCode also supports nested blobs. Do we care?
> + ;;
> + ;; (should (eglot--glob-match "{**/*.d.ts,**/*.js}" "/testing/foo.js"))
> + ;; (should (eglot--glob-match "{**/*.d.ts,**/*.js}" "testing/foo.d.ts"))
> + ;; (should (eglot--glob-match "{**/*.d.ts,**/*.js,foo.[0-9]}" "foo.5"))
> + ;; (should (eglot--glob-match "prefix/{**/*.d.ts,**/*.js,foo.[0-9]}"
> "prefix/foo.8"))
> + )
> +
> +(defun eglot--call-with-tramp-test (fn)
> + ;; Set up a loopback TRAMP method that’s just a shell so the remote
> + ;; host is really just the local host.
> + (let ((tramp-remote-path (cons 'tramp-own-remote-path tramp-remote-path))
> + (tramp-histfile-override t)
> + (tramp-methods '(("loopback"
> + (tramp-login-program "/bin/sh")
> + (tramp-remote-shell "/bin/sh")
> + (tramp-remote-shell-login ("-l"))
> + (tramp-remote-shell-args ("-c")))))
> + (temporary-file-directory (concat "/loopback::"
> + temporary-file-directory)))
> + ;; With ‘temporary-file-directory’ bound to the ‘loopback’ TRAMP
> + ;; method, fixtures will be automatically made “remote".
> + (unwind-protect
> + (funcall fn)
> + ;; Tramp leave some buffers behind, and some time later,
> + ;; `project-buffers' will trip over them causing a hard to debug
> + ;; intermittent test failure somewhere else.
> + (dolist (buf (buffer-list))
> + (when (string-match-p "^\\*tramp" (buffer-name buf))
> + (kill-buffer buf))))))
> +
> +(ert-deftest eglot--tramp-test ()
> + "Ensure LSP servers can be used over TRAMP."
> + (skip-unless (executable-find "clangd"))
> + (eglot--call-with-tramp-test #'eglot-tests--auto-detect-running-server-1))
> +
> +(ert-deftest eglot--tramp-test-2 ()
> + "Ensure LSP servers can be used over TRAMP."
> + (skip-unless (executable-find "clangd"))
> + (eglot--call-with-tramp-test #'eglot-tests--lsp-abiding-column-1))
> +
> +(ert-deftest eglot--path-to-uri-windows ()
> + (skip-unless (eq system-type 'windows-nt))
> + (should (string-prefix-p "file:///"
> + (eglot--path-to-uri "c:/Users/Foo/bar.lisp")))
> + (should (string-suffix-p "c%3A/Users/Foo/bar.lisp"
> + (eglot--path-to-uri "c:/Users/Foo/bar.lisp"))))
> +
> +(ert-deftest eglot--same-server-multi-mode ()
> + "Check single LSP instance manages multiple modes in same project."
> + (skip-unless (executable-find "clangd"))
> + (let (server)
> + (eglot--with-fixture
> + `(("project" . (("foo.cpp" .
> + "#include \"foolib.h\"
> + int main() { return foo(); }")
> + ("foolib.h" .
> + "#ifdef __cplusplus\nextern \"C\" {\n#endif
> + int foo();
> + #ifdef __cplusplus\n}\n#endif")
> + ("foolib.c" .
> + "#include \"foolib.h\"
> + int foo() {return 42;}"))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/foo.cpp")
> + (should (setq server (eglot--tests-connect))))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/foolib.h")
> + (should (eq (eglot-current-server) server)))
> + (with-current-buffer
> + (eglot--find-file-noselect "project/foolib.c")
> + (should (eq (eglot-current-server) server))))))
> +
> +(provide 'eglot-tests)
> +;;; eglot-tests.el ends here
> +
> +;; Local Variables:
> +;; checkdoc-force-docstrings-flag: nil
> +;; End:
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Stefan Kangas, 2022/12/12
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, João Távora, 2022/12/12
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Stefan Kangas, 2022/12/12
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, João Távora, 2022/12/12
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Stefan Kangas, 2022/12/12
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Michael Albinus, 2022/12/13
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Stefan Kangas, 2022/12/13
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Michael Albinus, 2022/12/14
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot,
Michael Albinus <=
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, João Távora, 2022/12/12
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Michael Albinus, 2022/12/13
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, João Távora, 2022/12/13
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Michael Albinus, 2022/12/14
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, João Távora, 2022/12/14
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Michael Albinus, 2022/12/14
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, João Távora, 2022/12/14
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Stefan Monnier, 2022/12/14
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Stefan Kangas, 2022/12/14
- Re: emacs-29 9c0d7bb73b 2/2: Add automated tests for Eglot, Michael Albinus, 2022/12/15