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InstalledAppProvider: store APK hash and last update time

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The APK hash is useful for comparing whether something is exactly the same
file as something else.  For example, to compare whether the installed APK
matches something that f-droid.org hosts.  The "last update time" is a fast
way to check whether the information is current.
This commit is contained in:
Hans-Christoph Steiner committed 2016-06-02 10:22:07 +02:00
1 parent 906a26414a
commit 90467bf8bf
5 files changed
+69 -16
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app/src/androidTest/java/org/fdroid/fdroid/data/InstalledAppProviderTest.java
+38
View File
@@ -2,6 +2,8 @@ package org.fdroid.fdroid.data;
import android.content.ContentValues;
import android.content.pm.PackageInfo;
import android.database.Cursor;
import android.net.Uri;
import mock.MockContextSwappableComponents;
import mock.MockInstallablePackageManager;
@@ -81,6 +83,39 @@ public class InstalledAppProviderTest extends FDroidProviderTest<InstalledAppPro
}
public void testLastUpdateTime() {
String packageName = "com.example.app";
insertInstalledApp(packageName, 10, "1.0");
assertResultCount(1, InstalledAppProvider.getContentUri());
assertIsInstalledVersionInDb(packageName, 10, "1.0");
Uri uri = InstalledAppProvider.getAppUri(packageName);
String[] projection = {
InstalledAppProvider.DataColumns.PACKAGE_NAME,
InstalledAppProvider.DataColumns.LAST_UPDATE_TIME,
};
Cursor cursor = getMockContentResolver().query(uri, projection, null, null, null);
assertNotNull(cursor);
assertEquals("App \"" + packageName + "\" not installed", 1, cursor.getCount());
cursor.moveToFirst();
assertEquals(packageName, cursor.getString(cursor.getColumnIndex(InstalledAppProvider.DataColumns.PACKAGE_NAME)));
long lastUpdateTime = cursor.getLong(cursor.getColumnIndex(InstalledAppProvider.DataColumns.LAST_UPDATE_TIME));
assertTrue(lastUpdateTime > 0);
assertTrue(lastUpdateTime < System.currentTimeMillis());
cursor.close();
insertInstalledApp(packageName, 11, "1.1");
cursor = getMockContentResolver().query(uri, projection, null, null, null);
assertNotNull(cursor);
assertEquals("App \"" + packageName + "\" not installed", 1, cursor.getCount());
cursor.moveToFirst();
assertTrue(lastUpdateTime < cursor.getLong(cursor.getColumnIndex(InstalledAppProvider.DataColumns.LAST_UPDATE_TIME)));
cursor.close();
}
public void testDelete() {
insertInstalledApp("com.example.app1", 10, "1.0");
@@ -156,6 +191,9 @@ public class InstalledAppProviderTest extends FDroidProviderTest<InstalledAppPro
values.put(InstalledAppProvider.DataColumns.VERSION_CODE, versionCode);
values.put(InstalledAppProvider.DataColumns.VERSION_NAME, versionNumber);
values.put(InstalledAppProvider.DataColumns.SIGNATURE, "");
values.put(InstalledAppProvider.DataColumns.LAST_UPDATE_TIME, System.currentTimeMillis());
values.put(InstalledAppProvider.DataColumns.HASH_TYPE, "sha256");
values.put(InstalledAppProvider.DataColumns.HASH, "cafecafecafecafecafecafecafecafecafecafecafecafecafecafecafecafe");
return values;
}