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[tests] Enforce the schema downgrade behavior

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Which is, delete and recreate the database.
This commit is contained in:
Thiago Marcos P. Santos
2017-08-21 17:58:36 +03:00
committed by Jason Wray
parent 9c4071fe86
commit 2640109887
2 changed files with 24 additions and 0 deletions
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test/fixtures/offline_database/v999.db vendored Normal file
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test/storage/offline_database.test.cpp
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@@ -698,3 +698,27 @@ TEST(OfflineDatabase, MigrateFromV4Schema) {
// Synchronous setting should be FULL (2) after migration to v5.
EXPECT_EQ(2, databaseSyncMode("test/fixtures/offline_database/v5.db"));
}
TEST(OfflineDatabase, DowngradeSchema) {
using namespace mbgl;
// v999.db is a v999 database, it should be deleted
// and recreated with the current schema.
deleteFile("test/fixtures/offline_database/migrated.db");
writeFile("test/fixtures/offline_database/migrated.db", util::read_file("test/fixtures/offline_database/v999.db"));
{
OfflineDatabase db("test/fixtures/offline_database/migrated.db", 0);
}
EXPECT_EQ(5, databaseUserVersion("test/fixtures/offline_database/migrated.db"));
EXPECT_EQ((std::vector<std::string>{ "id", "url_template", "pixel_ratio", "z", "x", "y",
"expires", "modified", "etag", "data", "compressed",
"accessed" }),
databaseTableColumns("test/fixtures/offline_database/migrated.db", "tiles"));
EXPECT_EQ((std::vector<std::string>{ "id", "url", "kind", "expires", "modified", "etag", "data",
"compressed", "accessed" }),
databaseTableColumns("test/fixtures/offline_database/migrated.db", "resources"));
}