1 files changed, 67 insertions, 0 deletions
diff --git a/python/mozbuild/mozpack/test/test_packager_unpack.py b/python/mozbuild/mozpack/test/test_packager_unpack.py
new file mode 100644
index 0000000000..57a2d71eda
--- /dev/null
+++ b/python/mozbuild/mozpack/test/test_packager_unpack.py
@@ -0,0 +1,67 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import mozunit
+
+from mozpack.copier import FileCopier, FileRegistry
+from mozpack.packager.formats import FlatFormatter, JarFormatter, OmniJarFormatter
+from mozpack.packager.unpack import unpack_to_registry
+from mozpack.test.test_files import TestWithTmpDir
+from mozpack.test.test_packager_formats import CONTENTS, fill_formatter, get_contents
+
+
+class TestUnpack(TestWithTmpDir):
+    maxDiff = None
+
+    @staticmethod
+    def _get_copier(cls):
+        copier = FileCopier()
+        formatter = cls(copier)
+        fill_formatter(formatter, CONTENTS)
+        return copier
+
+    @classmethod
+    def setUpClass(cls):
+        cls.contents = get_contents(
+            cls._get_copier(FlatFormatter), read_all=True, mode="rb"
+        )
+
+    def _unpack_test(self, cls):
+        # Format a package with the given formatter class
+        copier = self._get_copier(cls)
+        copier.copy(self.tmpdir)
+
+        # Unpack that package. Its content is expected to match that of a Flat
+        # formatted package.
+        registry = FileRegistry()
+        unpack_to_registry(self.tmpdir, registry, getattr(cls, "OMNIJAR_NAME", None))
+        self.assertEqual(
+            get_contents(registry, read_all=True, mode="rb"), self.contents
+        )
+
+    def test_flat_unpack(self):
+        self._unpack_test(FlatFormatter)
+
+    def test_jar_unpack(self):
+        self._unpack_test(JarFormatter)
+
+    @staticmethod
+    def _omni_foo_formatter(name):
+        class OmniFooFormatter(OmniJarFormatter):
+            OMNIJAR_NAME = name
+
+            def __init__(self, registry):
+                super(OmniFooFormatter, self).__init__(registry, name)
+
+        return OmniFooFormatter
+
+    def test_omnijar_unpack(self):
+        self._unpack_test(self._omni_foo_formatter("omni.foo"))
+
+    def test_omnijar_subpath_unpack(self):
+        self._unpack_test(self._omni_foo_formatter("bar/omni.foo"))
+
+
+if __name__ == "__main__":
+    mozunit.main()