1 files changed, 154 insertions, 0 deletions
diff --git a/models/db/engine_test.go b/models/db/engine_test.go
new file mode 100644
index 0000000..230ee3f
--- /dev/null
+++ b/models/db/engine_test.go
@@ -0,0 +1,154 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package db_test
+
+import (
+	"path/filepath"
+	"testing"
+	"time"
+
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
+	"code.gitea.io/gitea/models/unittest"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/test"
+
+	_ "code.gitea.io/gitea/cmd" // for TestPrimaryKeys
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"xorm.io/xorm"
+)
+
+func TestDumpDatabase(t *testing.T) {
+	require.NoError(t, unittest.PrepareTestDatabase())
+
+	dir := t.TempDir()
+
+	type Version struct {
+		ID      int64 `xorm:"pk autoincr"`
+		Version int64
+	}
+	require.NoError(t, db.GetEngine(db.DefaultContext).Sync(new(Version)))
+
+	for _, dbType := range setting.SupportedDatabaseTypes {
+		require.NoError(t, db.DumpDatabase(filepath.Join(dir, dbType+".sql"), dbType))
+	}
+}
+
+func TestDeleteOrphanedObjects(t *testing.T) {
+	require.NoError(t, unittest.PrepareTestDatabase())
+
+	countBefore, err := db.GetEngine(db.DefaultContext).Count(&issues_model.PullRequest{})
+	require.NoError(t, err)
+
+	_, err = db.GetEngine(db.DefaultContext).Insert(&issues_model.PullRequest{IssueID: 1000}, &issues_model.PullRequest{IssueID: 1001}, &issues_model.PullRequest{IssueID: 1003})
+	require.NoError(t, err)
+
+	orphaned, err := db.CountOrphanedObjects(db.DefaultContext, "pull_request", "issue", "pull_request.issue_id=issue.id")
+	require.NoError(t, err)
+	assert.EqualValues(t, 3, orphaned)
+
+	err = db.DeleteOrphanedObjects(db.DefaultContext, "pull_request", "issue", "pull_request.issue_id=issue.id")
+	require.NoError(t, err)
+
+	countAfter, err := db.GetEngine(db.DefaultContext).Count(&issues_model.PullRequest{})
+	require.NoError(t, err)
+	assert.EqualValues(t, countBefore, countAfter)
+}
+
+func TestPrimaryKeys(t *testing.T) {
+	// Some dbs require that all tables have primary keys, see
+	//   https://github.com/go-gitea/gitea/issues/21086
+	//   https://github.com/go-gitea/gitea/issues/16802
+	// To avoid creating tables without primary key again, this test will check them.
+	// Import "code.gitea.io/gitea/cmd" to make sure each db.RegisterModel in init functions has been called.
+
+	beans, err := db.NamesToBean()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	whitelist := map[string]string{
+		"the_table_name_to_skip_checking": "Write a note here to explain why",
+		"forgejo_sem_ver":                 "seriously dude",
+	}
+
+	for _, bean := range beans {
+		table, err := db.TableInfo(bean)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if why, ok := whitelist[table.Name]; ok {
+			t.Logf("ignore %q because %q", table.Name, why)
+			continue
+		}
+		if len(table.PrimaryKeys) == 0 {
+			t.Errorf("table %q has no primary key", table.Name)
+		}
+	}
+}
+
+func TestSlowQuery(t *testing.T) {
+	lc, cleanup := test.NewLogChecker("slow-query", log.INFO)
+	lc.StopMark("[Slow SQL Query]")
+	defer cleanup()
+
+	e := db.GetEngine(db.DefaultContext)
+	engine, ok := e.(*xorm.Engine)
+	assert.True(t, ok)
+
+	// It's not possible to clean this up with XORM, but it's luckily not harmful
+	// to leave around.
+	engine.AddHook(&db.SlowQueryHook{
+		Treshold: time.Second * 10,
+		Logger:   log.GetLogger("slow-query"),
+	})
+
+	// NOOP query.
+	e.Exec("SELECT 1 WHERE false;")
+
+	_, stopped := lc.Check(100 * time.Millisecond)
+	assert.False(t, stopped)
+
+	engine.AddHook(&db.SlowQueryHook{
+		Treshold: 0, // Every query should be logged.
+		Logger:   log.GetLogger("slow-query"),
+	})
+
+	// NOOP query.
+	e.Exec("SELECT 1 WHERE false;")
+
+	_, stopped = lc.Check(100 * time.Millisecond)
+	assert.True(t, stopped)
+}
+
+func TestErrorQuery(t *testing.T) {
+	lc, cleanup := test.NewLogChecker("error-query", log.INFO)
+	lc.StopMark("[Error SQL Query]")
+	defer cleanup()
+
+	e := db.GetEngine(db.DefaultContext)
+	engine, ok := e.(*xorm.Engine)
+	assert.True(t, ok)
+
+	// It's not possible to clean this up with XORM, but it's luckily not harmful
+	// to leave around.
+	engine.AddHook(&db.ErrorQueryHook{
+		Logger: log.GetLogger("error-query"),
+	})
+
+	// Valid query.
+	e.Exec("SELECT 1 WHERE false;")
+
+	_, stopped := lc.Check(100 * time.Millisecond)
+	assert.False(t, stopped)
+
+	// Table doesn't exist.
+	e.Exec("SELECT column FROM table;")
+
+	_, stopped = lc.Check(100 * time.Millisecond)
+	assert.True(t, stopped)
+}