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path: root/_test/test_a_dedent.py
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from roundtrip import dedent


class TestDedent:
    def test_start_newline(self):
        x = dedent("""
        123
          456
        """)
        assert x == "123\n  456\n"

    def test_start_space_newline(self):
        # special construct to prevent stripping of following whitespac
        x = dedent("   " """
        123
        """)
        assert x == "123\n"

    def test_start_no_newline(self):
        # special construct to prevent stripping of following whitespac
        x = dedent("""\
        123
          456
        """)
        assert x == "123\n  456\n"

    def test_preserve_no_newline_at_end(self):
        x = dedent("""
        123""")
        assert x == "123"

    def test_preserve_no_newline_at_all(self):
        x = dedent("""\
        123""")
        assert x == "123"

    def test_multiple_dedent(self):
        x = dedent(dedent("""
        123
        """))
        assert x == "123\n"