Add integration tests for signin (#2363)

Signed-off-by: David Schneiderbauer <dschneiderbauer@gmail.com>

integrations/integration_test.go

@@ -160,6 +160,13 @@ const userPassword = "password"
 
 var loginSessionCache = make(map[string]*TestSession, 10)
 
+func emptyTestSession(t testing.TB) *TestSession {
+	jar, err := cookiejar.New(nil)
+	assert.NoError(t, err)
+
+	return &TestSession{jar: jar}
+}
+
 func loginUser(t testing.TB, userName string) *TestSession {
 	if session, ok := loginSessionCache[userName]; ok {
 		return session
@@ -185,13 +192,13 @@ func loginUserWithPassword(t testing.TB, userName, password string) *TestSession
 	ch.Add("Cookie", strings.Join(resp.Headers["Set-Cookie"], ";"))
 	cr := http.Request{Header: ch}
 
-	jar, err := cookiejar.New(nil)
-	assert.NoError(t, err)
+	session := emptyTestSession(t)
+
 	baseURL, err := url.Parse(setting.AppURL)
 	assert.NoError(t, err)
-	jar.SetCookies(baseURL, cr.Cookies())
+	session.jar.SetCookies(baseURL, cr.Cookies())
 
-	return &TestSession{jar: jar}
+	return session
 }
 
 type TestResponseWriter struct {

integrations/signin_test.go

@@ -0,0 +1,60 @@
+// 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 (
+	"net/http"
+	"strings"
+	"testing"
+
+	"code.gitea.io/gitea/models"
+
+	"github.com/Unknwon/i18n"
+	"github.com/stretchr/testify/assert"
+)
+
+func testLoginFailed(t *testing.T, username, password, message string) {
+	session := emptyTestSession(t)
+	req := NewRequestWithValues(t, "POST", "/user/login", map[string]string{
+		"_csrf":     GetCSRF(t, session, "/user/login"),
+		"user_name": username,
+		"password":  password,
+	})
+	resp := session.MakeRequest(t, req, http.StatusOK)
+
+	htmlDoc := NewHTMLParser(t, resp.Body)
+	resultMsg := htmlDoc.doc.Find(".ui.message>p").Text()
+
+	assert.EqualValues(t, message, resultMsg)
+}
+
+func TestSignin(t *testing.T) {
+	prepareTestEnv(t)
+
+	user := models.AssertExistsAndLoadBean(t, &models.User{ID: 2}).(*models.User)
+
+	// add new user with user2's email
+	user.Name = "testuser"
+	user.LowerName = strings.ToLower(user.Name)
+	user.ID = 0
+	models.AssertSuccessfulInsert(t, user)
+
+	samples := []struct {
+		username string
+		password string
+		message  string
+	}{
+		{username: "wrongUsername", password: "wrongPassword", message: i18n.Tr("en", "form.username_password_incorrect")},
+		{username: "wrongUsername", password: "password", message: i18n.Tr("en", "form.username_password_incorrect")},
+		{username: "user15", password: "wrongPassword", message: i18n.Tr("en", "form.username_password_incorrect")},
+		{username: "user1@example.com", password: "wrongPassword", message: i18n.Tr("en", "form.username_password_incorrect")},
+		// test for duplicate email
+		{username: "user2@example.com", password: "password", message: i18n.Tr("en", "form.email_been_used")},
+	}
+
+	for _, s := range samples {
+		testLoginFailed(t, s.username, s.password, s.message)
+	}
+}