CI: Add test for highlight dates (issue #309, pr #1315)

test/issue_1315_hi_date.vader

@@ -0,0 +1,36 @@
+# Non regression tests for issue: 
+# -- How to turn off inline math highlights?
+
+
+
+Given vimwiki (All math inline possible):
+  12345678901234567890123456789
+  2023-06-22
+  23-06-22
+  due:2023-06-22
+  
+  +ProjectName project description
+  @ContextName context description
+  
+  Other +ProjectName and desc
+  Other @ContectName and desc
+
+Execute (Assert all lines):
+# Math
+  AssertEqual 'normal', GetSyntaxVimwiki(1, 1)
+
+  AssertEqual 'TodoDate', GetSyntaxVimwiki(2, 1)
+  AssertEqual 'TodoDate', GetSyntaxVimwiki(3, 1)
+  AssertEqual 'TodoDueDate', GetSyntaxVimwiki(4, 1)
+
+  AssertEqual 'TodoProject', GetSyntaxVimwiki(6, 1)
+  AssertEqual 'normal', GetSyntaxVimwiki(6, 15)
+  AssertEqual 'TodoContext', GetSyntaxVimwiki(7, 1)
+  AssertEqual 'normal', GetSyntaxVimwiki(7, 15)
+
+  AssertEqual 'normal', GetSyntaxVimwiki(9, 1)
+  AssertEqual 'TodoProject', GetSyntaxVimwiki(9, 10)
+  AssertEqual 'normal', GetSyntaxVimwiki(9, 20)
+  AssertEqual 'normal', GetSyntaxVimwiki(10, 1)
+  AssertEqual 'TodoContext', GetSyntaxVimwiki(10, 10)
+  AssertEqual 'normal', GetSyntaxVimwiki(10, 20)

test/issue_example.vader

@@ -0,0 +1,16 @@
+# Non regression tests for issue TODO
+# -- TODO copy-paste issue description
+#
+# Syntax: https://github.com/junegunn/vader.vim#syntax-of-vader-file
+# Run: bash run_tests.sh -v -t vader -n vim_7.3.429 -f issue_example.vader
+
+Given vimwiki (Input file):
+  test
+
+Execute (Call function to verify):
+  echo 'Dummy command, not displayed'
+  Log 'Debug message displayed in Vader output'
+  AssertEqual 'test', getline(1), 'Dummy assertion'
+
+Expect (Output file):
+  test

test/vimrc

@@ -343,6 +343,14 @@
     0d
   endfunction
 
+  function! GetSyntaxVimwiki(line, col)
+    let res = GetSyntaxStack(a:line, a:col)
+    if empty(res)
+      return 'normal'
+    endif
+    return res[0]
+  endfunction
+
   function! GetSyntaxGroup(...)
     " Get normalized syntax group: usefull for boldItalic Vs italicBold
     " Arg1: line