Added tests for loaddata with gzip/bzip2 compressed fixtures.

Co-authored-by: Adam Johnson <me@adamj.eu>

AUTHORS

@@ -695,6 +695,7 @@ answer newbie questions, and generally made Django that much better:
     Owen Griffiths
     Pablo Martín <goinnn@gmail.com>
     Panos Laganakos <panos.laganakos@gmail.com>
+    Paolo Melchiorre <paolo@melchiorre.org>
     Pascal Hartig <phartig@rdrei.net>
     Pascal Varet
     Patrik Sletmo <patrik.sletmo@gmail.com>

tests/fixtures/tests.py

@@ -21,6 +21,12 @@ from .models import (
     PrimaryKeyUUIDModel, ProxySpy, Spy, Tag, Visa,
 )
 
+try:
+    import bz2  # NOQA
+    HAS_BZ2 = True
+except ImportError:
+    HAS_BZ2 = False
+
 
 class TestCaseFixtureLoadingTests(TestCase):
     fixtures = ['fixture1.json', 'fixture2.json']
@@ -540,6 +546,19 @@ class FixtureLoadingTests(DumpDataAssertMixin, TestCase):
             '<Article: WoW subscribers now outnumber readers>',
         ])
 
+    def test_compressed_loading_gzip(self):
+        management.call_command('loaddata', 'fixture5.json.gz', verbosity=0)
+        self.assertQuerysetEqual(Article.objects.all(), [
+            '<Article: WoW subscribers now outnumber readers>',
+        ])
+
+    @unittest.skipUnless(HAS_BZ2, 'No bz2 library detected.')
+    def test_compressed_loading_bz2(self):
+        management.call_command('loaddata', 'fixture5.json.bz2', verbosity=0)
+        self.assertQuerysetEqual(Article.objects.all(), [
+            '<Article: WoW subscribers now outnumber readers>',
+        ])
+
     def test_ambiguous_compressed_fixture(self):
         # The name "fixture5" is ambiguous, so loading raises an error.
         msg = "Multiple fixtures named 'fixture5'"