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tests added

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ericchiang 2014-09-14 22:20:05 -04:00
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tests/README.md Normal file
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# Tests
A simple set of tests to help maintain sanity.
The tests themselves are written in Python and can be run using the [nose](
https://nose.readthedocs.org/en/latest/) tool.
Install with:
```bash
$ pip install nose
```
Run the following command from either the base directory or this one to perform
the tests:
```bash
$ nosetests
```

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tests/tests.py Normal file
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from subprocess import Popen, PIPE, STDOUT
example_data = """
<html>
<head>
</head>
<body>
<div>
<div class="nav clearfix">
My data
</div>
<p>Some other data</p>
</div>
</body>
</html>
"""
# run a pup command as a subprocess
def run_pup(args, input_html):
cmd = ["pup"]
cmd.extend(args)
p = Popen(cmd, stdout=PIPE, stdin=PIPE, stderr=PIPE)
stdout_data = p.communicate(input=input_html)[0]
p.wait()
return stdout_data
# simply count the number of lines returned by this pup command
def run_pup_count(args, input_html):
pup_output = run_pup(args, input_html)
lines = [l for l in pup_output.split("\n") if l]
return len(lines)
def test_class_selector():
assert run_pup_count([".nav"], example_data) == 3
def test_attr_eq():
assert run_pup_count(["[class=nav]"], example_data) == 0
def test_attr_pre():
assert run_pup_count(["[class^=nav]"], example_data) == 3
assert run_pup_count(["[class^=clearfix]"], example_data) == 0
def test_attr_post():
assert run_pup_count(["[class$=nav]"], example_data) == 0
assert run_pup_count(["[class$=clearfix]"], example_data) == 3
def test_attr_func():
result = run_pup(["div", "attr{class}"], example_data).strip()
assert result == ""
result = run_pup(["div", "div", "attr{class}"], example_data).strip()
assert result == "nav clearfix"
def test_text_func():
result = run_pup(["p", "text{}"], example_data).strip()
assert result == "Some other data"