vim-patch:7.4.1663

Problem:    In tests it's often useful to check if a pattern matches.
Solution:   Add assert_match().

https://github.com/vim/vim/commit/ea6553bec340920d8a09c7210cdc2d218e25ace2

1 files changed, 19 insertions, 0 deletions

diff --git a/test/functional/legacy/assert_spec.lua b/test/functional/legacy/assert_spec.lua
index 8da6ee45d7..cf1dcf6686 100644
--- a/test/functional/legacy/assert_spec.lua
+++ b/test/functional/legacy/assert_spec.lua
@@ -155,10 +155,29 @@ describe('assert function:', function()
     end)
   end)
 
+  -- assert_match({pat}, {text}[, {msg}])
+  describe('assert_match', function()
+    it('should not change v:errors when pat matches text', function()
+      call('assert_match', '^f.*b.*r$', 'foobar')
+      expected_empty()
+    end)
+
+    it('should change v:errors when pat does not match text', function()
+      call('assert_match', 'bar.*foo', 'foobar')
+      expected_errors({"Pattern 'bar.*foo' does not match 'foobar'"})
+    end)
+
+    it('should set v:errors to msg when given and match fails', function()
+      call('assert_match', 'bar.*foo', 'foobar', 'wrong')
+      expected_errors({"'wrong'"})
+    end)
+  end)
+
   -- assert_fails({cmd}, [, {error}])
   describe('assert_fails', function()
     it('should change v:errors when error does not match v:errmsg', function()
       execute([[call assert_fails('xxx', {})]])
+      execute([[call assert_match("Expected {} but got 'E731:", v:errors[0])]])
       expected_errors({"Expected {} but got 'E731: using Dictionary as a String'"})
     end)