Fixed #17054 -- Ensured the test suite runs when gettext isn't available, after r16981.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17013 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/i18n/commands/tests.py

@@ -2,6 +2,9 @@ import os
 import re
 from subprocess import Popen, PIPE
 
+can_run_extraction_tests = False
+can_run_compilation_tests = False
+
 def find_command(cmd, path=None, pathext=None):
     if path is None:
         path = os.environ.get('PATH', []).split(os.pathsep)
@@ -36,8 +39,8 @@ if xgettext_cmd:
     if match:
         xversion = (int(match.group('major')), int(match.group('minor')))
         if xversion >= (0, 15):
-            from extraction import *
+            can_run_extraction_tests = True
     del p
 
 if find_command('msgfmt'):
-    from compilation import *
+    can_run_compilation_tests = True

tests/regressiontests/i18n/tests.py

@@ -22,11 +22,20 @@ from django.utils.translation import (ugettext, ugettext_lazy, activate,
     get_language_info, get_language, get_language_from_request)
 
 
-from .commands.tests import NoWrapExtractorTests, IgnoredExtractorTests, MessageCompilationTests, PoFileTests, BasicExtractorTests, JavascriptExtractorTests, CopyPluralFormsExtractorTests, SymlinkExtractorTests, ExtractorTests
+from .commands.tests import can_run_extraction_tests, can_run_compilation_tests
+if can_run_extraction_tests:
+    from .commands.extraction import (ExtractorTests, BasicExtractorTests,
+        JavascriptExtractorTests, IgnoredExtractorTests, SymlinkExtractorTests,
+        CopyPluralFormsExtractorTests, NoWrapExtractorTests)
+if can_run_compilation_tests:
+    from .commands.compilation import MessageCompilationTests, PoFileTests
 from .contenttypes.tests import ContentTypeTests
 from .forms import I18nForm, SelectDateForm, SelectDateWidget, CompanyForm
 from .models import Company, TestModel
-from .patterns.tests import URLRedirectWithoutTrailingSlashTests, URLTranslationTests, URLDisabledTests, URLTagTests, URLTestCaseBase, URLRedirectWithoutTrailingSlashSettingTests, URLNamespaceTests, URLPrefixTests, URLResponseTests, URLRedirectTests
+from .patterns.tests import (URLRedirectWithoutTrailingSlashTests,
+    URLTranslationTests, URLDisabledTests, URLTagTests, URLTestCaseBase,
+    URLRedirectWithoutTrailingSlashSettingTests, URLNamespaceTests,
+    URLPrefixTests, URLResponseTests, URLRedirectTests)
 from .test_warnings import DeprecationWarningTests