mirror of
https://github.com/hwchase17/langchain
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53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
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"""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
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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[104mbaz\x1b[0m"
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assert chained_input.input == "foobarbaz"
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