[Python-checkins] r51976 - python/branches/theller_modulefinder/Lib/test/test_modulefinder.py

[thomas.heller]

Author: thomas.heller
Date: Fri Sep 22 11:06:50 2006
New Revision: 51976

Added:
   python/branches/theller_modulefinder/Lib/test/test_modulefinder.py   (contents, props changed)
Log:
A basic test for modulefinder.


Added: python/branches/theller_modulefinder/Lib/test/test_modulefinder.py
==============================================================================
--- (empty file)
+++ python/branches/theller_modulefinder/Lib/test/test_modulefinder.py	Fri Sep 22 11:06:50 2006
@@ -0,0 +1,85 @@
+import __future__
+import sys, os
+import unittest
+import modulefinder
+import distutils.dir_util
+
+from test import test_support
+
+# FIXME: do NOT create files in the current directory
+TEST_DIR = os.path.abspath("testing")
+TEST_PATH = [TEST_DIR, os.path.dirname(__future__.__file__)]
+
+# Each test description is a list of 4 items:
+#
+# 1. a module name that will be imported by modulefinder
+# 2. a list of module names that modulefinder is required to find
+# 3. a list of module names that modulefinder should complain
+#    about because they are not found
+# 4. a string specifying a package to create; the format is obvious imo.
+#
+# Each package will be created in TEST_DIR, and TEST_DIR will be
+# removed after the tests again.
+# Modulefinder searches in a path that contains TEST_DIR, plus
+# the standard Lib directory.
+
+package_test = [
+    "a.module",
+    ["a", "a.b", "a.c", "a.module", "sys", "mymodule"],
+    ["blahblah"],
+    """\
+mymodule.py
+a/__init__.py
+                                import blahblah
+                                from a import b
+                                import c
+a/module.py
+                                import sys
+                                from a import b as x
+a/b.py
+a/c.py
+                                from a.module import x
+                                import mymodule
+"""]
+
+def open_file(path):
+    ##print "#", os.path.abspath(path)
+    dirname = os.path.dirname(path)
+    distutils.dir_util.mkpath(dirname)
+    return open(path, "w")
+
+def create_package(source):
+    ofi = None
+    for line in source.splitlines():
+        if line.startswith(" ") or line.startswith("\t"):
+            ofi.write(line.strip() + "\n")
+        else:
+            ofi = open_file(os.path.join(TEST_DIR, line.strip()))
+
+class ModuleFinderTest(unittest.TestCase):
+    def _do_test(self, info):
+        import_this, modules, missing, source = info
+        directory = import_this.split(".")[0]
+        create_package(source)
+        try:
+            mf = modulefinder.ModuleFinder(path=TEST_PATH)
+            mf.import_hook(import_this)
+##            mf.report()
+            bad = mf.badmodules.keys()
+            self.failUnlessEqual(bad, missing)
+            modules = set(modules)
+            found = set(mf.modules.keys())
+            more = list(found - modules)
+            less = list(modules - found)
+            self.failUnlessEqual((more, less), ([], []))
+        finally:
+            distutils.dir_util.remove_tree(TEST_DIR)
+
+    def test_package(self):
+        self._do_test(package_test)
+
+def test_main():
+    test_support.run_unittest(ModuleFinderTest)
+
+if __name__ == "__main__":
+    test_main()