[nongnu] elpa/julia-mode 70bbe82 204/352: Adding unit tests for indentation.

[ELPA Syncer]

branch: elpa/julia-mode
commit 70bbe82260e1baacb3d657306a7d24c159955fb7
Author: Wilfred Hughes <me@wilfred.me.uk>
Commit: Yichao Yu <yyc1992@gmail.com>

    Adding unit tests for indentation.
---
 julia-mode.el | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)

diff --git a/julia-mode.el b/julia-mode.el
index 788a116..b99cab1 100644
--- a/julia-mode.el
+++ b/julia-mode.el
@@ -410,6 +410,136 @@ before point. Returns nil if we're not within nested 
parens."
     (when (>= point-offset 0)
       (move-to-column (+ (current-indentation) point-offset)))))
 
+;; Emacs 23.X doesn't include ert, so we ignore any errors that occur
+;; when we define tests.
+(ignore-errors
+  (require 'ert)
+
+  (defmacro julia--should-indent (from to)
+    "Assert that we indent text FROM producing text TO in `julia-mode'."
+    `(with-temp-buffer
+       (julia-mode)
+       (insert ,from)
+       (indent-region (point-min) (point-max))
+       (should (equal (buffer-substring-no-properties (point-min) (point-max))
+                      ,to))))
+
+  (ert-deftest julia--test-indent-if ()
+    "We should indent inside if bodies."
+    (julia--should-indent
+     "
+if foo
+bar
+end"
+     "
+if foo
+    bar
+end"))
+
+  (ert-deftest julia--test-indent-else ()
+    "We should indent inside else bodies."
+    (julia--should-indent
+     "
+if foo
+    bar
+else
+baz
+end"
+     "
+if foo
+    bar
+else
+    baz
+end"))
+
+  (ert-deftest julia--test-indent-toplevel ()
+    "We should not indent toplevel expressions. "
+    (julia--should-indent
+     "
+foo()
+bar()"
+     "
+foo()
+bar()"))
+
+  (ert-deftest julia--test-indent-nested-if ()
+    "We should indent for each level of indentation."
+    (julia--should-indent
+     "
+if foo
+    if bar
+bar
+    end
+end"
+     "
+if foo
+    if bar
+        bar
+    end
+end"))
+
+  (ert-deftest julia--test-indent-function ()
+    "We should indent function bodies."
+    (julia--should-indent
+     "
+function foo()
+bar
+end"
+     "
+function foo()
+    bar
+end"))
+
+  (ert-deftest julia--test-indent-begin ()
+    "We should indent after a begin keyword."
+    (julia--should-indent
+     "
+@async begin
+bar
+end"
+     "
+@async begin
+    bar
+end"))
+
+  (ert-deftest julia--test-indent-paren ()
+    "We should indent to line up with open parens."
+    (julia--should-indent
+     "
+foobar(bar,
+baz)"
+     "
+foobar(bar,
+       baz)"))
+
+  (ert-deftest julia--test-indent-equals ()
+    "We should increase indent on a trailing =."
+    (julia--should-indent
+     "
+foo() =
+bar"
+     "
+foo() =
+    bar"))
+
+  (ert-deftest julia--test-indent-ignores-blank-lines ()
+    "Blank lines should not affect indentation of non-blank lines."
+    (julia--should-indent
+     "
+if foo
+        
+bar
+end"
+     "
+if foo
+    
+    bar
+end"))
+
+  (defun julia--run-tests ()
+    (interactive)
+    (ert-run-tests-interactively "julia--test")))
+
 (defalias 'julia-mode-prog-mode
   (if (fboundp 'prog-mode)
       'prog-mode