forked from Archives/langchain
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
"""Test input manipulating logic."""
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import sys
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from io import StringIO
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from langchain.input import ChainedInput, get_color_mapping
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def test_chained_input_not_verbose() -> None:
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"""Test chained input logic."""
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old_stdout = sys.stdout
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sys.stdout = mystdout = StringIO()
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chained_input = ChainedInput("foo")
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sys.stdout = old_stdout
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output = mystdout.getvalue()
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assert output == ""
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assert chained_input.input == "foo"
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old_stdout = sys.stdout
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sys.stdout = mystdout = StringIO()
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chained_input.add("bar")
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sys.stdout = old_stdout
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output = mystdout.getvalue()
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assert output == ""
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assert chained_input.input == "foobar"
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def test_chained_input_verbose() -> None:
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"""Test chained input logic, making sure verbose doesn't mess it up."""
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old_stdout = sys.stdout
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sys.stdout = mystdout = StringIO()
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chained_input = ChainedInput("foo", verbose=True)
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sys.stdout = old_stdout
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output = mystdout.getvalue()
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assert output == "foo"
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assert chained_input.input == "foo"
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old_stdout = sys.stdout
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sys.stdout = mystdout = StringIO()
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chained_input.add("bar")
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sys.stdout = old_stdout
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output = mystdout.getvalue()
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assert output == "bar"
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assert chained_input.input == "foobar"
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old_stdout = sys.stdout
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sys.stdout = mystdout = StringIO()
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chained_input.add("baz", color="blue")
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sys.stdout = old_stdout
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output = mystdout.getvalue()
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assert output == "\x1b[48;5;51mbaz\x1b[0m"
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assert chained_input.input == "foobarbaz"
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def test_get_color_mapping() -> None:
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"""Test getting of color mapping."""
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# Test on few inputs.
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items = ["foo", "bar"]
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output = get_color_mapping(items)
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expected_output = {"foo": "blue", "bar": "yellow"}
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assert output == expected_output
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# Test on a lot of inputs.
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items = [f"foo-{i}" for i in range(20)]
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output = get_color_mapping(items)
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assert len(output) == 20
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def test_get_color_mapping_excluded_colors() -> None:
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"""Test getting of color mapping with excluded colors."""
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items = ["foo", "bar"]
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output = get_color_mapping(items, excluded_colors=["blue"])
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expected_output = {"foo": "yellow", "bar": "pink"}
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assert output == expected_output
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