--- /dev/null
+Before:
+ call ale#linter#Reset()
+
+ unlet! b:ale_linters
+ unlet! b:ale_completion_info
+ unlet! b:ale_completion_result
+
+After:
+ call ale#linter#Reset()
+
+ unlet! b:ale_linters
+ unlet! b:ale_completion_info
+ unlet! b:ale_completion_result
+
+Execute(ale#completion#GetCompletionResult() should return v:null when there are no results):
+ AssertEqual v:null, ale#completion#GetCompletionResult()
+
+Execute(ale#completion#GetCompletionResult() should return a result computed previously):
+ let b:ale_completion_result = [1]
+
+ AssertEqual [1], ale#completion#GetCompletionResult()
+
+Execute(ale#completion#GetCompletionPosition() should return 0 when there is no completion information):
+ AssertEqual 0, ale#completion#GetCompletionPosition()
+
+Given python(Some Python file):
+ foo bar
+
+Execute(ale#completion#GetCompletionPosition() should return the position in the file when information is available):
+ let b:ale_completion_info = {'line': 1, 'column': 6}
+
+ " This is the first character of 'bar'
+ AssertEqual 4, ale#completion#GetCompletionPosition()
+
+Execute(ale#completion#GetCompletionPositionForDeoplete() should return the position on the given input string):
+ " This is the first character of 'bar'
+ AssertEqual 4, ale#completion#GetCompletionPositionForDeoplete('foo bar')
+
+Execute(ale#completion#CanProvideCompletions should return 0 when no completion sources are available):
+ let b:ale_linters = ['flake8']
+ AssertEqual 0, ale#completion#CanProvideCompletions()
+
+Execute(ale#completion#CanProvideCompletions should return 1 when at least one completion source is available):
+ runtime ale_linters/python/pylsp.vim
+ let b:ale_linters = ['pylsp']
+
+ AssertEqual 1, ale#completion#CanProvideCompletions()