Cloud storage: test offline operation

All this really does is make sure that the fast forward works if the local
cache has received updates that haven't made it to the server, yet.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

2 files changed, 54 insertions, 0 deletions

diff --git a/tests/testgitstorage.cpp b/tests/testgitstorage.cpp
index 08dbcaaa0..5bc7924af 100644
--- a/tests/testgitstorage.cpp
+++ b/tests/testgitstorage.cpp
@@ -96,4 +96,57 @@ void TestGitStorage::testGitStorageCloud()
 	clear_dive_file_data();
 }
 
+// this is a local helper function in git-access.c
+extern "C" char *get_local_dir(const char *remote, const char *branch);
+
+void TestGitStorage::testGitStorageCloudOfflineSync()
+{
+	// make a change to local cache repo (pretending that we did some offline changes)
+	// and then open the remote one again and check that things were propagated correctly
+	QString cloudTestRepo("https://cloud.subsurface-divelog.org/git/ssrftest@hohndel.org[ssrftest@hohndel.org]");
+	QString localCacheDir(get_local_dir("https://cloud.subsurface-divelog.org/git/ssrftest@hohndel.org", "ssrftest@hohndel.org"));
+	QString localCacheRepo = localCacheDir + "[ssrftest@hohndel.org]";
+	// read the local repo from the previous test and add dive 10
+	QCOMPARE(parse_file(qPrintable(localCacheRepo)), 0);
+	QCOMPARE(parse_file(SUBSURFACE_SOURCE "/dives/test10.xml"), 0);
+	// calling process_dive() sorts the table, but calling it with
+	// is_imported == true causes it to try to update the window title... let's not do that
+	process_dives(false, false);
+	// now save only to the local cache but not to the remote server
+	QCOMPARE(save_dives(qPrintable(localCacheRepo)), 0);
+	QCOMPARE(save_dives("./SampleDivesV3plus10local.ssrf"), 0);
+	clear_dive_file_data();
+	// open the cloud storage and compare
+	QCOMPARE(parse_file(qPrintable(cloudTestRepo)), 0);
+	QCOMPARE(save_dives("./SampleDivesV3plus10viacloud.ssrf"), 0);
+	QFile org("./SampleDivesV3plus10local.ssrf");
+	org.open(QFile::ReadOnly);
+	QFile out("./SampleDivesV3plus10viacloud.ssrf");
+	out.open(QFile::ReadOnly);
+	QTextStream orgS(&org);
+	QTextStream outS(&out);
+	QString readin = orgS.readAll();
+	QString written = outS.readAll();
+	QCOMPARE(readin, written);
+	// write back out to cloud storage, move away the local cache, open again and compare
+	QCOMPARE(save_dives(qPrintable(cloudTestRepo)), 0);
+	clear_dive_file_data();
+	QDir localCacheDirectory(localCacheDir);
+	QDir localCacheDirectorySave(localCacheDir + "save");
+	QCOMPARE(localCacheDirectorySave.removeRecursively(), true);
+	QCOMPARE(localCacheDirectory.rename(localCacheDir, localCacheDir + "save"), true);
+	QCOMPARE(parse_file(qPrintable(cloudTestRepo)), 0);
+	QCOMPARE(save_dives("./SampleDivesV3plus10fromcloud.ssrf"), 0);
+	org.close();
+	org.open(QFile::ReadOnly);
+	QFile out2("./SampleDivesV3plus10fromcloud.ssrf");
+	out2.open(QFile::ReadOnly);
+	QTextStream orgS2(&org);
+	QTextStream outS2(&out2);
+	readin = orgS2.readAll();
+	written = outS2.readAll();
+	QCOMPARE(readin, written);
+	clear_dive_file_data();
+}
+
 QTEST_MAIN(TestGitStorage)
diff --git a/tests/testgitstorage.h b/tests/testgitstorage.h
index a701363e9..43c33c228 100644
--- a/tests/testgitstorage.h
+++ b/tests/testgitstorage.h
@@ -9,6 +9,7 @@ class TestGitStorage : public QObject
 private slots:
 	void testGitStorageLocal();
 	void testGitStorageCloud();
+	void testGitStorageCloudOfflineSync();
 };
 
 #endif // TESTGITSTORAGE_H