Add roomserver tests (3/4) (#2447)

* Add Room Aliases tests

* Add Rooms table test

* Move StateKeyTuplerSorter to the types package

* Add StateBlock tests
Some optimizations

* Add State Snapshot tests
Some optimization

* Return []int64 and convert to pq.Int64Array for postgres

* Move []types.EventNID back to rows.Next()

* Update tests, rename SelectRoomIDs

roomserver/storage/tables/room_aliases_table_test.go

@@ -0,0 +1,96 @@
+package tables_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/roomserver/storage/postgres"
+	"github.com/matrix-org/dendrite/roomserver/storage/sqlite3"
+	"github.com/matrix-org/dendrite/roomserver/storage/tables"
+	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/test"
+	"github.com/stretchr/testify/assert"
+)
+
+func mustCreateRoomAliasesTable(t *testing.T, dbType test.DBType) (tab tables.RoomAliases, close func()) {
+	t.Helper()
+	connStr, close := test.PrepareDBConnectionString(t, dbType)
+	db, err := sqlutil.Open(&config.DatabaseOptions{
+		ConnectionString: config.DataSource(connStr),
+	}, sqlutil.NewExclusiveWriter())
+	assert.NoError(t, err)
+	switch dbType {
+	case test.DBTypePostgres:
+		err = postgres.CreateRoomAliasesTable(db)
+		assert.NoError(t, err)
+		tab, err = postgres.PrepareRoomAliasesTable(db)
+	case test.DBTypeSQLite:
+		err = sqlite3.CreateRoomAliasesTable(db)
+		assert.NoError(t, err)
+		tab, err = sqlite3.PrepareRoomAliasesTable(db)
+	}
+	assert.NoError(t, err)
+
+	return tab, close
+}
+
+func TestRoomAliasesTable(t *testing.T) {
+	alice := test.NewUser()
+	room := test.NewRoom(t, alice)
+	room2 := test.NewRoom(t, alice)
+	ctx := context.Background()
+	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
+		tab, close := mustCreateRoomAliasesTable(t, dbType)
+		defer close()
+		alias, alias2, alias3 := "#alias:localhost", "#alias2:localhost", "#alias3:localhost"
+		// insert aliases
+		err := tab.InsertRoomAlias(ctx, nil, alias, room.ID, alice.ID)
+		assert.NoError(t, err)
+
+		err = tab.InsertRoomAlias(ctx, nil, alias2, room.ID, alice.ID)
+		assert.NoError(t, err)
+
+		err = tab.InsertRoomAlias(ctx, nil, alias3, room2.ID, alice.ID)
+		assert.NoError(t, err)
+
+		// verify we can get the roomID for the alias
+		roomID, err := tab.SelectRoomIDFromAlias(ctx, nil, alias)
+		assert.NoError(t, err)
+		assert.Equal(t, room.ID, roomID)
+
+		// .. and the creator
+		creator, err := tab.SelectCreatorIDFromAlias(ctx, nil, alias)
+		assert.NoError(t, err)
+		assert.Equal(t, alice.ID, creator)
+
+		creator, err = tab.SelectCreatorIDFromAlias(ctx, nil, "#doesntexist:localhost")
+		assert.NoError(t, err)
+		assert.Equal(t, "", creator)
+
+		roomID, err = tab.SelectRoomIDFromAlias(ctx, nil, "#doesntexist:localhost")
+		assert.NoError(t, err)
+		assert.Equal(t, "", roomID)
+
+		// get all aliases for a room
+		aliases, err := tab.SelectAliasesFromRoomID(ctx, nil, room.ID)
+		assert.NoError(t, err)
+		assert.Equal(t, []string{alias, alias2}, aliases)
+
+		// delete an alias and verify it's deleted
+		err = tab.DeleteRoomAlias(ctx, nil, alias2)
+		assert.NoError(t, err)
+
+		aliases, err = tab.SelectAliasesFromRoomID(ctx, nil, room.ID)
+		assert.NoError(t, err)
+		assert.Equal(t, []string{alias}, aliases)
+
+		// deleting the same alias should be a no-op
+		err = tab.DeleteRoomAlias(ctx, nil, alias2)
+		assert.NoError(t, err)
+
+		// Delete non-existent alias should be a no-op
+		err = tab.DeleteRoomAlias(ctx, nil, "#doesntexist:localhost")
+		assert.NoError(t, err)
+	})
+}