def test_resum_equal_in_memory():
G = LineFileInMemory("tests/smallcorpus.txt.bz2", header="foo bar baz qux".split(),
path="tests/tmp/testcorpus")
len_G = len(G)
total = G.sum_column("qux")
G.resum_equal("foo", "qux", assert_sorted=True, keep_all=False)
assert_equal(len(G), 1)
for line in G.lines():
assert_equal(int(G.extract_columns(line, "qux")[0]), total)
G = LineFileInMemory("tests/smallcorpus.txt.bz2", header="foo bar baz qux".split(),
path="tests/tmp/testcorpus")
G.resum_equal("foo", "qux", assert_sorted=True, keep_all=True)
assert_equal(len(G), len_G)
for line in G.lines():
assert_equal(int(G.extract_columns(line, "qux")[0]), total)
def test_resum_equal_in_memory():
G = LineFileInMemory("tests/smallcorpus.txt.bz2",
header="foo bar baz qux".split(),
path="tests/tmp/testcorpus")
len_G = len(G)
total = G.sum_column("qux")
G.resum_equal("foo", "qux", assert_sorted=True, keep_all=False)
assert_equal(len(G), 1)
for line in G.lines():
assert_equal(int(G.extract_columns(line, "qux")[0]), total)
G = LineFileInMemory("tests/smallcorpus.txt.bz2",
header="foo bar baz qux".split(),
path="tests/tmp/testcorpus")
G.resum_equal("foo", "qux", assert_sorted=True, keep_all=True)
assert_equal(len(G), len_G)
for line in G.lines():
assert_equal(int(G.extract_columns(line, "qux")[0]), total)
def test_basics_in_memory():
G = LineFileInMemory("tests/smallcorpus.txt.bz2", header="foo bar baz qux",
path="tests/tmp/testcorpus")
assert_equal(G.header, "foo bar baz qux".split())
assert_equal(G.files, ["tests/smallcorpus.txt.bz2"])
G.make_column("quux", lambda x, y, z, w: "cat", "foo bar baz qux")
assert_equal(G.header, "foo bar baz qux quux".split())
for line in G.lines(parts=False):
assert_equal(G.extract_columns(line, "quux"), ["cat"])
G.delete_columns("quux")
assert_equal(G.header, "foo bar baz qux".split())
G.copy_column("quux", "qux")
assert_equal(G.header, "foo bar baz qux quux".split())
for line in G.lines(parts=False):
assert_equal(G.extract_columns(line, "qux"),
G.extract_columns(line, "quux")
)
def test_basics_in_memory():
G = LineFileInMemory("tests/smallcorpus.txt.bz2",
header="foo bar baz qux",
path="tests/tmp/testcorpus")
assert_equal(G.header, "foo bar baz qux".split())
assert_equal(G.files, ["tests/smallcorpus.txt.bz2"])
G.make_column("quux", lambda x, y, z, w: "cat", "foo bar baz qux")
assert_equal(G.header, "foo bar baz qux quux".split())
for line in G.lines(parts=False):
assert_equal(G.extract_columns(line, "quux"), ["cat"])
G.delete_columns("quux")
assert_equal(G.header, "foo bar baz qux".split())
G.copy_column("quux", "qux")
assert_equal(G.header, "foo bar baz qux quux".split())
for line in G.lines(parts=False):
assert_equal(G.extract_columns(line, "qux"),
G.extract_columns(line, "quux"))
