43 lines
1.0 KiB
Python
43 lines
1.0 KiB
Python
import os
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from libpathod.language import generators
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import tutils
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def test_randomgenerator():
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g = generators.RandomGenerator("bytes", 100)
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assert repr(g)
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assert len(g[:10]) == 10
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assert len(g[1:10]) == 9
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assert len(g[:1000]) == 100
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assert len(g[1000:1001]) == 0
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assert g[0]
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def test_filegenerator():
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with tutils.tmpdir() as t:
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path = os.path.join(t, "foo")
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f = open(path, "wb")
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f.write("x" * 10000)
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f.close()
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g = generators.FileGenerator(path)
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assert len(g) == 10000
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assert g[0] == "x"
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assert g[-1] == "x"
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assert g[0:5] == "xxxxx"
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assert repr(g)
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# remove all references to FileGenerator instance to close the file
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# handle.
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del g
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def test_transform_generator():
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def trans(offset, data):
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return "a" * len(data)
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g = "one"
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t = generators.TransformGenerator(g, trans)
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assert len(t) == len(g)
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assert t[0] == "a"
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assert t[:] == "a" * len(g)
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assert repr(t)
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