Issue 4028 - Add support for Edge extensions to buildtools

tests/test_packagerEdge.py

Index: tests/test_packagerEdge.py
===================================================================
new file mode 100644
--- /dev/null
+++ b/tests/test_packagerEdge.py
@@ -0,0 +1,126 @@
+# 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 ConfigParser
+import io
+import os
+import shutil
+import sys
+import xml.etree.ElementTree as ET
+import zipfile
+
+import pytest
+
+TEST_DIR = os.path.dirname(__file__)
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(TEST_DIR)))
+
+from buildtools import packager, packagerEdge  # noqa: must modify path before this.
+
+TEST_METADATA = os.path.join(TEST_DIR, 'metadata.edge')
+CHARS = b''.join(chr(i % 200 + 30) for i in range(500))
+
+
+@pytest.fixture
+def metadata():
+    """Loaded metadata config."""
+    conf_parser = ConfigParser.ConfigParser()
+    conf_parser.read(TEST_METADATA)
+    return conf_parser
+
+
+@pytest.fixture
+def srcdir(tmpdir):
+    """Source directory for building the package."""
+    srcdir = tmpdir.mkdir('src')
+    shutil.copy(TEST_METADATA, str(srcdir.join('metadata.edge')))
+    for size in ['44', '50', '150']:
+        path = srcdir.join('chrome', 'icons', 'abp-{}.png'.format(size))
+        path.write(size, ensure=True)
+    return srcdir
+
+
+def blockmap2dict(xml_data):
+    """Convert AppxBlockMap.xml to a dict of dicts easier to inspect."""
+    return {
+        file.get('Name'): {
+            'size': file.get('Size'),
+            'lfhsize': file.get('LfhSize'),
+            'blocks': [
+                {'hash': b.get('Hash'), 'size': b.get('Size', None)}
+                for b in file
+            ]
+        }
+        for file in ET.fromstring(xml_data)
+    }
+
+
+def test_create_appx_blockmap():
+    files = packager.Files(set(), set())
+    files['foo.xml'] = CHARS
+    files['foo/bar.png'] = CHARS * 200
+    blockmap = blockmap2dict(packagerEdge.createAppxBlockmap(files))
+    assert blockmap['foo.xml'] == {
+        'size': '500',
+        'lfhsize': '37',
+        'blocks': [
+            {'hash': 'Vhwfmzss1Ney+j/ssR2QVISvFyMNBQeS2P+UjeE/di0=',
+             'size': '500'}
+        ]
+    }
+    assert blockmap['foo\\bar.png'] == {
+        'size': '100000',
+        'lfhsize': '41',
+        'blocks': [
+            {'hash': 'KPW2SxeEikUEGhoKmKxruUSexKun0bGXMppOqUFrX5E=',
+             'size': '65536'},
+            {'hash': 'KQHnov1SZ1z34ttdDUjX2leYtpIIGndUVoUteieS2cw=',
+             'size': '34464'}
+        ]
+    }
+
+
+def test_create_appx_manifest(metadata):
+    manifest = packagerEdge.createAppxManifest({'metadata': metadata})
+    with open(os.path.join(TEST_DIR, 'AppManifest.xml.expect')) as fp:
+        manifest_expect = fp.read()
+    assert manifest.strip() == manifest_expect.strip()
+
+
+def test_convert_to_appx():
+    files = packager.Files(set(), set())
+    files['foo.xml'] = CHARS
+    files['foo/bar.xml'] = CHARS
+    packagerEdge.convertToAppx(files)
+    assert set(files.keys()) == {
+        'Extension/foo.xml',
+        'Extension/foo/bar.xml',
+        '[Content_Types].xml'
+    }
+
+
+def test_edge_files_zip():
+    """Test zip conversion of EdgeFiles that is overriden."""
+    files = packagerEdge.Files(set(), set())
+    files['Foo.xml'] = CHARS
+    files['bar.xml'] = CHARS
+    buffer = io.BytesIO()
+    files.zip(buffer, sortKey=lambda name: name.lower())
+    result = zipfile.ZipFile(buffer)
+    assert result.getinfo('Foo.xml').compress_type == zipfile.ZIP_STORED
+    assert result.namelist() == ['bar.xml', 'Foo.xml', 'AppxBlockMap.xml']
+
+
+def test_create_build(tmpdir, srcdir):
+    out_file = str(tmpdir.join('abp.appx'))
+    packagerEdge.createBuild(str(srcdir), outFile=out_file)
+    appx = zipfile.ZipFile(out_file)
+
+    names = set(appx.namelist())
+    assert 'AppxManifest.xml' in names
+    assert 'AppxBlockMap.xml' in names
+    assert '[Content_Types].xml' in names
+
+    assert appx.read('Assets/logo_44.png') == '44'
+    assert appx.read('Extension/icons/abp-44.png') == '44'