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Test Info:
import os
import re
import unittest
from tempfile import NamedTemporaryFile
import mozunit
from mozbuild.configure.confvars import ConfVarsSyntaxError, parse
def TemporaryConfVars():
return NamedTemporaryFile("wt", delete=False)
class TestContext(unittest.TestCase):
def loads(self, *lines):
with NamedTemporaryFile("wt", delete=False) as ntf:
ntf.writelines(lines)
try:
confvars = parse(ntf.name)
finally:
os.remove(ntf.name)
return confvars
def test_parse_empty_file(self):
confvars = self.loads("# comment\n")
self.assertEqual(confvars, {})
def test_parse_simple_assignment(self):
confvars = self.loads("a=b\n")
self.assertEqual(confvars, {"a": "b"})
def test_parse_simple_assignment_with_equal_in_value(self):
confvars = self.loads("a='='\n", "b==")
self.assertEqual(confvars, {"a": "=", "b": "="})
def test_parse_simple_assignment_with_sharp_in_value(self):
confvars = self.loads("a='#'\n")
self.assertEqual(confvars, {"a": "#"})
def test_parse_simple_assignment_with_trailing_spaces(self):
confvars = self.loads("a1=1\t\n", "\n", "a2=2\n", "a3=3 \n", "a4=4")
self.assertEqual(
confvars,
{
"a1": "1",
"a2": "2",
"a3": "3",
"a4": "4",
},
)
def test_parse_trailing_comment(self):
confvars = self.loads("a=b#comment\n")
self.assertEqual(confvars, {"a": "b"})
def test_parse_invalid_assign_in_trailing_comment(self):
with self.assertRaises(ConfVarsSyntaxError) as cm:
self.loads("a#=comment\n")
self.assertTrue(
re.match("Expecting key=value format \\(.*, line 1\\)", str(cm.exception))
)
def test_parse_quoted_assignment(self):
confvars = self.loads("a='b'\n" "b=' c'\n" 'c=" \'c"\n')
self.assertEqual(confvars, {"a": "b", "b": " c", "c": " 'c"})
def test_parse_invalid_assignment(self):
with self.assertRaises(ConfVarsSyntaxError) as cm:
self.loads("a#comment\n")
self.assertTrue(
re.match("Expecting key=value format \\(.*, line 1\\)", str(cm.exception))
)
def test_parse_empty_value(self):
confvars = self.loads("a=\n")
self.assertEqual(confvars, {"a": ""})
def test_parse_invalid_value(self):
with self.assertRaises(ConfVarsSyntaxError) as cm:
self.loads("#comment\na='er\n")
self.assertTrue(
re.match(
"Unterminated quoted string \\(.*, line 2\\)",
str(cm.exception),
)
)
with self.assertRaises(ConfVarsSyntaxError) as cm:
self.loads("a= er\n")
self.assertTrue(
re.match(
"Expecting no spaces between '=' and 'er' \\(.*, line 1\\)",
str(cm.exception),
)
)
def test_parse_invalid_char(self):
with self.assertRaises(ConfVarsSyntaxError) as cm:
self.loads("a=$\n")
self.assertTrue(
re.match(
"Unquoted, non-escaped special character '\\$' \\(.*, line 1\\)",
str(cm.exception),
)
)
def test_parse_invalid_key(self):
with self.assertRaises(ConfVarsSyntaxError) as cm:
self.loads(" a=1\n")
self.assertTrue(
re.match(
"Expecting no spaces around 'a' \\(.*, line 1\\)",
str(cm.exception),
)
)
with self.assertRaises(ConfVarsSyntaxError) as cm:
self.loads("a =1\n")
self.assertTrue(
re.match(
"Expecting no spaces around 'a' \\(.*, line 1\\)",
str(cm.exception),
)
)
def test_parse_redundant_key(self):
with self.assertRaises(ConfVarsSyntaxError) as cm:
self.loads("a=1\na=2\n")
self.assertTrue(
re.match(
"Invalid redefinition for 'a' \\(.*, line 2\\)",
str(cm.exception),
)
)
if __name__ == "__main__":
mozunit.main()