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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-08-25 15:33:07 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-08-25 15:33:07 +0200
commit16bc58049adac72cb1f398d9f89e42757bb4a22f (patch)
tree4bd9643dd0bcf91fc8c6420a4a33337a0bda6e46 /src/engine/SCons/Platform/PlatformTests.py
parent78989ebb445af2c6462ae2bf05ffd588d76610e4 (diff)
Imported Upstream version 2.3.3upstream/2.3.3
Diffstat (limited to 'src/engine/SCons/Platform/PlatformTests.py')
-rw-r--r--src/engine/SCons/Platform/PlatformTests.py51
1 files changed, 48 insertions, 3 deletions
diff --git a/src/engine/SCons/Platform/PlatformTests.py b/src/engine/SCons/Platform/PlatformTests.py
index 94a697b..de8ad2c 100644
--- a/src/engine/SCons/Platform/PlatformTests.py
+++ b/src/engine/SCons/Platform/PlatformTests.py
@@ -21,22 +21,24 @@
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
-__revision__ = "src/engine/SCons/Platform/PlatformTests.py 2014/07/05 09:42:21 garyo"
+__revision__ = "src/engine/SCons/Platform/PlatformTests.py 2014/08/24 12:12:31 garyo"
import SCons.compat
import collections
-import sys
import unittest
import TestUnit
import SCons.Errors
import SCons.Platform
+import SCons.Environment
+import SCons.Action
class Environment(collections.UserDict):
def Detect(self, cmd):
return cmd
+
def AppendENVPath(self, key, value):
pass
@@ -117,9 +119,52 @@ class PlatformTestCase(unittest.TestCase):
SCons.Platform.Platform()(env)
assert env != {}, env
+class TempFileMungeTestCase(unittest.TestCase):
+ def test_MAXLINELENGTH(self):
+ """ Test different values for MAXLINELENGTH with the same
+ size command string to ensure that the temp file mechanism
+ kicks in only at MAXLINELENGTH+1, or higher
+ """
+ # Init class with cmd, such that the fully expanded
+ # string reads "a test command line".
+ # Note, how we're using a command string here that is
+ # actually longer than the substituted one. This is to ensure
+ # that the TempFileMunge class internally really takes the
+ # length of the expanded string into account.
+ defined_cmd = "a $VERY $OVERSIMPLIFIED line"
+ t = SCons.Platform.TempFileMunge(defined_cmd)
+ env = SCons.Environment.SubstitutionEnvironment(tools=[])
+ # Setting the line length high enough...
+ env['MAXLINELENGTH'] = 1024
+ env['VERY'] = 'test'
+ env['OVERSIMPLIFIED'] = 'command'
+ expanded_cmd = env.subst(defined_cmd)
+ # Call the tempfile munger
+ cmd = t(None,None,env,0)
+ assert cmd == defined_cmd, cmd
+ # Let MAXLINELENGTH equal the string's length
+ env['MAXLINELENGTH'] = len(expanded_cmd)
+ cmd = t(None,None,env,0)
+ assert cmd == defined_cmd, cmd
+ # Finally, let the actual tempfile mechanism kick in
+ # Disable printing of actions...
+ old_actions = SCons.Action.print_actions
+ SCons.Action.print_actions = 0
+ env['MAXLINELENGTH'] = len(expanded_cmd)-1
+ cmd = t(None,None,env,0)
+ # ...and restoring its setting.
+ SCons.Action.print_actions = old_actions
+ assert cmd != defined_cmd, cmd
if __name__ == "__main__":
- suite = unittest.makeSuite(PlatformTestCase, 'test_')
+ suite = unittest.TestSuite()
+
+ tclasses = [ PlatformTestCase,
+ TempFileMungeTestCase ]
+ for tclass in tclasses:
+ names = unittest.getTestCaseNames(tclass, 'test_')
+ suite.addTests(list(map(tclass, names)))
+
TestUnit.run(suite)
# Local Variables: