Describe lsp#utils

    Describe lsp#utils#empty_complete
        It should return empty complete
            let items = lsp#utils#empty_complete()
            Assert type(items) == type([])
            Assert len(items) == 0
        End
    End

    Describe lsp#utils#uri_to_path
        It should return path from uri (Windows)
            if !has('win32')
              Skip This tests is not for UNIX
            endif
            let tests = [
            \  {'uri': 'file:///C:/path/to/the/file.txt', 'path': 'C:\path\to\the\file.txt'},
            \  {'uri': 'file:///C:/path/to/the/file+name.txt', 'path': 'C:\path\to\the\file+name.txt'},
            \  {'uri': 'file:///C:/path/to/the/file%2Bname.txt', 'path': 'C:\path\to\the\file+name.txt'},
            \  {'uri': 'file:///C:/path/to/the/file%20name.txt', 'path': 'C:\path\to\the\file name.txt'},
            \  {'uri': 'file:///C:/path+name?query=your+value', 'path': 'C:\path+name'},
            \  {'uri': 'file:///C:/path+name#hash', 'path': 'C:\path+name'},
            \]
            for test in tests
                let path = lsp#utils#uri_to_path(test.uri)
                Assert Equals(path, test.path)
            endfor
        End

        It should return path from uri (UNIX)
            if has('win32')
              Skip This tests is not for Windows
            endif
            let tests = [
            \  {'uri': 'file:///path/to/the/file.txt', 'path': '/path/to/the/file.txt'},
            \  {'uri': 'file:///path/to/the/file+name.txt', 'path': '/path/to/the/file+name.txt'},
            \  {'uri': 'file:///path/to/the/file%2Bname.txt', 'path': '/path/to/the/file+name.txt'},
            \  {'uri': 'file:///path/to/the/file%20name.txt', 'path': '/path/to/the/file name.txt'},
            \  {'uri': 'file:///path+name?query=your+value', 'path': '/path+name'},
            \  {'uri': 'file:///path+name#hash', 'path': '/path+name'},
            \]
            for test in tests
                let path = lsp#utils#uri_to_path(test.uri)
                Assert Equals(path, test.path)
            endfor
        End
    End

    Describe lsp#utils#find_nearest_parent_file_directory
        It should return the root directory if it is found
            let tests = [
            \  {'from': './test/testproject/src/main.cpp', 'target': ['.ccls', 'compile_commands.json', 'README.md', 'git/'], 'root': './test/testproject'},
            \  {'from': './test/testproject/src/main.cpp', 'target': ['.ccls', 'build/', 'CMakeLists.txt', 'git/'], 'root': './test/testproject'},
            \  {'from': './test/testproject/src/main.cpp', 'target': '.ccls', 'root': './test/testproject'},
            \  {'from': './test/testproject/src/main.cpp', 'target': 'git/', 'root': './test/testproject'},
            \  {'from': './test/testproject/src/main.cpp', 'target': 'CMakeLists.txt', 'root': './test/testproject/src'},
            \  {'from': './test/testproject/README.md', 'target': ['.ccls', 'compile_commands.json', 'README.md', 'git/'], 'root': './test/testproject'},
            \  {'from': './test/testproject/README.md', 'target': ['.ccls', 'build/', 'CMakeLists.txt', 'git/'], 'root': './test/testproject'},
            \  {'from': './test/testproject/README.md', 'target': '.ccls', 'root': './test/testproject'},
            \  {'from': './test/testproject/README.md', 'target': 'git/', 'root': './test/testproject'},
            \  {'from': './test/testproject/README.md', 'target': 'CMakeLists.txt', 'root': './test/testproject'},
            \]
            for test in tests
                let path = lsp#utils#find_nearest_parent_file_directory(fnamemodify(test.from, ':p:h'), test.target)
                Assert Equals(path, fnamemodify(test.root, ':p:h'))
            endfor
        End

        It should return an empty string if not target has been found
            let tests = [
            \  {'from': './test/testproject/src/main.cpp', 'target': ['fdrvbws/', 'asbr/', 'bgdf/', 'abfrb.txt', 'ngo.c']},
            \  {'from': './test/testproject/src/main.cpp', 'target': 'asbr/'},
            \  {'from': './test/testproject/src/main.cpp', 'target': 'btr.c'},
            \  {'from': './test/testproject/.gitignore', 'target': ['fdrvbws/', 'asbr/', 'bgdf/', 'abfrb.txt', 'ngo.c']},
            \  {'from': './test/testproject/.gitignore', 'target': 'asbr/'},
            \  {'from': './test/testproject/.gitignore', 'target': 'btr.c'},
            \]
            for test in tests
                let path = lsp#utils#find_nearest_parent_file_directory(fnamemodify(test.from, ':p:h'), test.target)
                Assert Empty(path)
            endfor
        End
    End

    Describe lsp#utils#to_col
        It should return the byte-index from the given character-index on a buffer
            call setline(1, ['a β c', 'δ', ''])
            Assert lsp#utils#to_col('%', 1, 0) == 1
            Assert lsp#utils#to_col('%', 1, 1) == 2
            Assert lsp#utils#to_col('%', 1, 2) == 3
            Assert lsp#utils#to_col('%', 1, 3) == 5
            Assert lsp#utils#to_col('%', 1, 4) == 6
            Assert lsp#utils#to_col('%', 1, 5) == 7
            Assert lsp#utils#to_col('%', 2, 0) == 1
            Assert lsp#utils#to_col('%', 2, 1) == 3
            Assert lsp#utils#to_col('%', 3, 0) == 1
            %delete
        End

        It should return the byte-index from the given character-index in an unloaded file
            Assert lsp#utils#to_col('./test/testfiles/multibyte.txt', 1, 0) == 1
            Assert lsp#utils#to_col('./test/testfiles/multibyte.txt', 1, 1) == 2
            Assert lsp#utils#to_col('./test/testfiles/multibyte.txt', 1, 2) == 3
            Assert lsp#utils#to_col('./test/testfiles/multibyte.txt', 1, 3) == 5
            Assert lsp#utils#to_col('./test/testfiles/multibyte.txt', 1, 4) == 6
            Assert lsp#utils#to_col('./test/testfiles/multibyte.txt', 1, 5) == 7
            Assert lsp#utils#to_col('./test/testfiles/multibyte.txt', 2, 0) == 1
            Assert lsp#utils#to_col('./test/testfiles/multibyte.txt', 2, 1) == 3
            Assert lsp#utils#to_col('./test/testfiles/multibyte.txt', 3, 0) == 1
        End
    End

    Describe lsp#utils#to_char
        It should return the character-index from the given byte-index on a buffer
            call setline(1, ['a β c', 'δ', ''])
            Assert lsp#utils#to_char('%', 1, 1) == 0
            Assert lsp#utils#to_char('%', 1, 2) == 1
            Assert lsp#utils#to_char('%', 1, 3) == 2
            Assert lsp#utils#to_char('%', 1, 5) == 3
            Assert lsp#utils#to_char('%', 1, 6) == 4
            Assert lsp#utils#to_char('%', 1, 7) == 5
            Assert lsp#utils#to_char('%', 2, 1) == 0
            Assert lsp#utils#to_char('%', 2, 3) == 1
            Assert lsp#utils#to_char('%', 3, 1) == 0
            %delete
        End

        It should return the character-index from the given byte-index in an unloaded file
            Assert lsp#utils#to_char('./test/testfiles/multibyte.txt', 1, 1) == 0
            Assert lsp#utils#to_char('./test/testfiles/multibyte.txt', 1, 2) == 1
            Assert lsp#utils#to_char('./test/testfiles/multibyte.txt', 1, 3) == 2
            Assert lsp#utils#to_char('./test/testfiles/multibyte.txt', 1, 5) == 3
            Assert lsp#utils#to_char('./test/testfiles/multibyte.txt', 1, 6) == 4
            Assert lsp#utils#to_char('./test/testfiles/multibyte.txt', 1, 7) == 5
            Assert lsp#utils#to_char('./test/testfiles/multibyte.txt', 2, 1) == 0
            Assert lsp#utils#to_char('./test/testfiles/multibyte.txt', 2, 3) == 1
            Assert lsp#utils#to_char('./test/testfiles/multibyte.txt', 3, 1) == 0
        End
    End
End