1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
"""Test cmdline.py for coverage."""
import re, shlex, textwrap, unittest
import coverage
from coveragetest import CoverageTest
class CmdLineParserTest(CoverageTest):
"""Tests of command-line processing for Coverage."""
def help_fn(self, error=None):
"""A mock help_fn to capture the error messages for tests."""
self.help_out = error or "*usage*"
def command_line(self, args, ret=0, help_out=""):
"""Run a Coverage command line, with `args` as arguments.
The return code must be `ret`, and the help messages written must be
`help_out`.
"""
self.help_out = ""
argv = shlex.split(args)
ret_code = coverage.CoverageScript().command_line(argv, self.help_fn)
self.assertEqual(ret_code, ret)
self.assertEqual(self.help_out, help_out)
def testHelp(self):
self.command_line('-h', help_out="*usage*")
self.command_line('--help', help_out="*usage*")
def testUnknownOption(self):
# TODO: command_line shouldn't throw this exception, it should be in
# the help_fn.
self.assertRaisesMsg(Exception, "option -z not recognized",
self.command_line, '-z')
def testBadActionCombinations(self):
self.command_line('-e -a', ret=1,
help_out="You can't specify the 'erase' and 'annotate' "
"options at the same time."
)
self.command_line('-e -r', ret=1,
help_out="You can't specify the 'erase' and 'report' "
"options at the same time."
)
self.command_line('-e -b', ret=1,
help_out="You can't specify the 'erase' and 'html' "
"options at the same time."
)
self.command_line('-e -c', ret=1,
help_out="You can't specify the 'erase' and 'combine' "
"options at the same time."
)
self.command_line('-x -a', ret=1,
help_out="You can't specify the 'execute' and 'annotate' "
"options at the same time."
)
self.command_line('-x -r', ret=1,
help_out="You can't specify the 'execute' and 'report' "
"options at the same time."
)
self.command_line('-x -b', ret=1,
help_out="You can't specify the 'execute' and 'html' "
"options at the same time."
)
self.command_line('-x -c', ret=1,
help_out="You can't specify the 'execute' and 'combine' "
"options at the same time."
)
def testNeedAction(self):
self.command_line('-p', ret=1,
help_out="You must specify at least one of -e, -x, -c, -r, -a, or -b."
)
def testArglessActions(self):
self.command_line('-e foo bar', ret=1,
help_out="Unexpected arguments: foo bar"
)
self.command_line('-c baz quux', ret=1,
help_out="Unexpected arguments: baz quux"
)
class CmdLineActionTest(CoverageTest):
"""Tests of execution paths through the command line interpreter."""
def model_object(self):
"""Return a Mock suitable for use in CoverageScript."""
import mock
mk = mock.Mock()
mk.coverage.return_value = mk
return mk
def cmd_executes(self, args, code):
"""Assert that the `args` end up executing the sequence in `code`."""
argv = shlex.split(args)
m1 = self.model_object()
coverage.CoverageScript(
_covpkg=m1, _run_python_file=m1.run_python_file
).command_line(argv)
code = textwrap.dedent(code)
code = re.sub(r"(?m)^\.", "m2.", code)
m2 = self.model_object()
code_obj = compile(code, "<code>", "exec")
eval(code_obj, globals(), { 'm2': m2 })
self.assertEqual(m1.method_calls, m2.method_calls)
def testExecution(self):
self.cmd_executes("-x foo.py", """\
.coverage(cover_pylib=None, data_suffix=False, timid=None)
.load()
.start()
.run_python_file('foo.py', ['foo.py'])
.stop()
.save()
""")
self.cmd_executes("-e -x foo.py", """\
.coverage(cover_pylib=None, data_suffix=False, timid=None)
.erase()
.start()
.run_python_file('foo.py', ['foo.py'])
.stop()
.save()
""")
if __name__ == '__main__':
unittest.main()
|
