Integration test framework (#1290)

* Integration test framework

* udpate drone sign

* Formatting fixes and move router.go to routers/

* update sign for drone

integrations/integration_test.go

@@ -0,0 +1,92 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package integrations
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"testing"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/routers"
+	"code.gitea.io/gitea/routers/routes"
+
+	"gopkg.in/macaron.v1"
+	"gopkg.in/testfixtures.v2"
+)
+
+var mac *macaron.Macaron
+
+func TestMain(m *testing.M) {
+	appIniPath := os.Getenv("GITEA_CONF")
+	if appIniPath == "" {
+		fmt.Println("Environment variable $GITEA_CONF not set")
+		os.Exit(1)
+	}
+	setting.CustomConf = appIniPath
+	routers.GlobalInit()
+	mac = routes.NewMacaron()
+	routes.RegisterRoutes(mac)
+
+	var helper testfixtures.Helper
+	if setting.UseMySQL {
+		helper = &testfixtures.MySQL{}
+	} else if setting.UsePostgreSQL {
+		helper = &testfixtures.PostgreSQL{}
+	} else if setting.UseSQLite3 {
+		helper = &testfixtures.SQLite{}
+	} else {
+		fmt.Println("Unsupported RDBMS for integration tests")
+		os.Exit(1)
+	}
+
+	err := models.InitFixtures(
+		helper,
+		"integrations/gitea-integration/fixtures/",
+	)
+	if err != nil {
+		fmt.Printf("Error initializing test database: %v\n", err)
+		os.Exit(1)
+	}
+	os.Exit(m.Run())
+}
+
+type TestResponseWriter struct {
+	HeaderCode int
+	Writer     io.Writer
+}
+
+func (w *TestResponseWriter) Header() http.Header {
+	return make(map[string][]string)
+}
+
+func (w *TestResponseWriter) Write(b []byte) (int, error) {
+	return w.Writer.Write(b)
+}
+
+func (w *TestResponseWriter) WriteHeader(n int) {
+	w.HeaderCode = n
+}
+
+type TestResponse struct {
+	HeaderCode int
+	Body       []byte
+}
+
+func MakeRequest(req *http.Request) *TestResponse {
+	buffer := bytes.NewBuffer(nil)
+	respWriter := &TestResponseWriter{
+		Writer: buffer,
+	}
+	mac.ServeHTTP(respWriter, req)
+	return &TestResponse{
+		HeaderCode: respWriter.HeaderCode,
+		Body:       buffer.Bytes(),
+	}
+}