A test of running coverage when it has been zipped. #862

Author: nedbat

.gitignore

@@ -31,6 +31,7 @@ setuptools-*.egg
 .ruby-version
 
 # Stuff in the test directory.
+covmain.zip
 zipmods.zip
 
 # Stuff in the doc directory.

CONTRIBUTORS.txt

@@ -58,6 +58,7 @@ Frazer McLean
 Geoff Bache
 George Paci
 George Song
+George-Cristian Bîrzan
 Greg Rogers
 Guido van Rossum
 Guillaume Chazarain

Makefile

@@ -24,7 +24,7 @@ clean: clean_platform                   ## Remove artifacts of test execution, i
 	rm -f .coverage .coverage.* coverage.xml .metacov*
 	rm -f .tox/*/lib/*/site-packages/zzz_metacov.pth
 	rm -f */.coverage */*/.coverage */*/*/.coverage */*/*/*/.coverage */*/*/*/*/.coverage */*/*/*/*/*/.coverage
-	rm -f tests/zipmods.zip
+	rm -f tests/covmain.zip tests/zipmods.zip
 	rm -rf tests/eggsrc/build tests/eggsrc/dist tests/eggsrc/*.egg-info
 	rm -f setuptools-*.egg distribute-*.egg distribute-*.tar.gz
 	rm -rf doc/_build doc/_spell doc/sample_html_beta

igor.py

@@ -225,6 +225,10 @@ def do_zip_mods():
 
     zf.close()
 
+    zf = zipfile.ZipFile("tests/covmain.zip", "w")
+    zf.write("coverage/__main__.py", "__main__.py")
+    zf.close()
+
 
 def do_install_egg():
     """Install the egg1 egg for tests."""

tests/test_process.py

@@ -23,7 +23,7 @@
 from coverage.files import python_reported_file
 from coverage.misc import output_encoding
 
-from tests.coveragetest import CoverageTest
+from tests.coveragetest import CoverageTest, TESTS_DIR
 from tests.helpers import re_lines
 
 
@@ -972,6 +972,17 @@ def test_coverage_run_dashm_is_like_python_dashm_with__main__207(self):
         actual = self.run_command("coverage run -m package")
         self.assertMultiLineEqual(expected, actual)
 
+    def test_coverage_zip_is_like_python(self):
+        # Test running coverage from a zip file itself.  Some environments
+        # (windows?) zip up the coverage main to be used as the coverage
+        # command.
+        with open(TRY_EXECFILE) as f:
+            self.make_file("run_me.py", f.read())
+        expected = self.run_command("python run_me.py")
+        cov_main = os.path.join(TESTS_DIR, "covmain.zip")
+        actual = self.run_command("python {} run run_me.py".format(cov_main))
+        self.assert_tryexecfile_output(expected, actual)
+
     def test_coverage_custom_script(self):
         # https://github.com/nedbat/coveragepy/issues/678
         # If sys.path[0] isn't the Python default, then coverage.py won't