test: remove the .egg test

People don't use .egg much anymore, distutils is showing deprecation
warnings, and coverage.py only deals with them the same way it deals
with .zip files, so let's just rely on a .zip test to cover that.

Author: nedbat

Makefile

@@ -24,9 +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/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 -f tests/covmain.zip tests/zipmods.zip tests/zip1.zip
 	rm -rf doc/_build doc/_spell doc/sample_html_beta
 	rm -rf tmp
 	rm -rf .cache .pytest_cache .hypothesis

igor.py

@@ -220,8 +220,10 @@ def do_zip_mods():
     """Build the zipmods.zip file."""
     zf = zipfile.ZipFile("tests/zipmods.zip", "w")
 
-    # Take one file from disk.
+    # Take some files from disk.
     zf.write("tests/covmodzip1.py", "covmodzip1.py")
+    zf.write("tests/zipsrc/zip1/__init__.py", "zip1/__init__.py")
+    zf.write("tests/zipsrc/zip1/zip1.py", "zip1/zip1.py")
 
     # The others will be various encodings.
     source = textwrap.dedent(u"""\
@@ -252,21 +254,6 @@ def do_zip_mods():
     zf.close()
 
 
-def do_install_egg():
-    """Install the egg1 egg for tests."""
-    # I am pretty certain there are easier ways to install eggs...
-    cur_dir = os.getcwd()
-    os.chdir("tests/eggsrc")
-    with ignore_warnings():
-        import distutils.core
-        distutils.core.run_setup("setup.py", ["--quiet", "bdist_egg"])
-        egg = glob.glob("dist/*.egg")[0]
-        distutils.core.run_setup(
-            "setup.py", ["--quiet", "easy_install", "--no-deps", "--zip-ok", egg]
-        )
-    os.chdir(cur_dir)
-
-
 def do_check_eol():
     """Check files for incorrect newlines and trailing whitespace."""
 

tests/eggsrc/setup.py

@@ -533,8 +533,8 @@ class ConfigFileTest(UsingModulesMixin, CoverageTest):
 
         [testenv]
         commands =
-            # Create tests/zipmods.zip, install the egg1 egg
-            python igor.py zip_mods install_egg
+            # Create tests/zipmods.zip
+            python igor.py zip_mods
         """
 
     def assert_config_settings_are_correct(self, cov):

tests/test_config.py

@@ -4,6 +4,7 @@
 """Tests for FileReporters"""
 
 import os
+import sys
 
 from coverage.plugin import FileReporter
 from coverage.python import PythonFileReporter
@@ -87,18 +88,20 @@ def test_comparison(self):
         assert acu < bcu and acu <= bcu and acu != bcu
         assert bcu > acu and bcu >= acu and bcu != acu
 
-    def test_egg(self):
-        # Test that we can get files out of eggs, and read their source files.
-        # The egg1 module is installed by an action in igor.py.
-        import egg1
-        import egg1.egg1
+    def test_zipfile(self):
+        sys.path.append("tests/zipmods.zip")
 
-        # Verify that we really imported from an egg.  If we did, then the
+        # Test that we can get files out of zipfiles, and read their source files.
+        # The zip1 module is installed by an action in igor.py.
+        import zip1
+        import zip1.zip1
+
+        # Verify that we really imported from an zipfile.  If we did, then the
         # __file__ won't be an actual file, because one of the "directories"
-        # in the path is actually the .egg zip file.
-        self.assert_doesnt_exist(egg1.__file__)
+        # in the path is actually the zip file.
+        self.assert_doesnt_exist(zip1.__file__)
 
-        ecu = PythonFileReporter(egg1)
-        eecu = PythonFileReporter(egg1.egg1)
-        assert ecu.source() == u""
-        assert u"# My egg file!" in eecu.source().splitlines()
+        z1 = PythonFileReporter(zip1)
+        z1z1 = PythonFileReporter(zip1.zip1)
+        assert z1.source() == u""
+        assert u"# My zip file!" in z1z1.source().splitlines()

tests/test_filereporter.py

@@ -1,7 +1,7 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
 # For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
 
-# My egg file!
+# My zip file!
 
-walrus = "Eggman"
+lighter = "Zippo"
 says = "coo-coo cachoo"

tests/eggsrc/egg1/__init__.py tests/zipsrc/zip1/__init__.py

@@ -36,9 +36,8 @@ commands =
     python setup.py --quiet clean develop
 
     # Create tests/zipmods.zip
-    # Install the egg1 egg
     # Remove the C extension so that we can test the PyTracer
-    python igor.py zip_mods install_egg remove_extension
+    python igor.py zip_mods remove_extension
 
     # Test with the PyTracer
     python igor.py test_with_tracer py {posargs}