From befa7445d254cc88662015222c85ccd4c96b9a10 Mon Sep 17 00:00:00 2001
From: Ethan Koenig <ethantkoenig@gmail.com>
Date: Fri, 15 Dec 2017 13:11:02 -0800
Subject: [PATCH] Unit tests for routers/repo/issue_label (#3198)

---
 integrations/integration_test.go   |   6 --
 integrations/issue_test.go         |   5 +-
 integrations/links_test.go         |   3 +-
 integrations/pull_merge_test.go    |   6 +-
 integrations/release_test.go       |   4 +-
 integrations/repo_activity_test.go |   4 +-
 integrations/repo_branch_test.go   |   4 +-
 integrations/timetracking_test.go  |   6 +-
 integrations/user_test.go          |   3 +-
 models/unit_tests.go               |  19 +++-
 modules/test/context_tests.go      |  23 ++--
 modules/test/utils.go              |  14 +++
 routers/repo/issue.go              |   2 +-
 routers/repo/issue_label.go        |  10 +-
 routers/repo/issue_label_test.go   | 164 +++++++++++++++++++++++++++++
 15 files changed, 231 insertions(+), 42 deletions(-)
 create mode 100644 modules/test/utils.go
 create mode 100644 routers/repo/issue_label_test.go

diff --git a/integrations/integration_test.go b/integrations/integration_test.go
index d8e97395fa..f3dc98219f 100644
--- a/integrations/integration_test.go
+++ b/integrations/integration_test.go
@@ -303,9 +303,3 @@ func GetCSRF(t testing.TB, session *TestSession, urlStr string) string {
 	doc := NewHTMLParser(t, resp.Body)
 	return doc.GetCSRF()
 }
-
-func RedirectURL(t testing.TB, resp *httptest.ResponseRecorder) string {
-	urlSlice := resp.HeaderMap["Location"]
-	assert.NotEmpty(t, urlSlice, "No redirect URL founds")
-	return urlSlice[0]
-}
diff --git a/integrations/issue_test.go b/integrations/issue_test.go
index d6fd712c9a..10084000db 100644
--- a/integrations/issue_test.go
+++ b/integrations/issue_test.go
@@ -13,6 +13,7 @@ import (
 
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/test"
 
 	"github.com/PuerkitoBio/goquery"
 	"github.com/stretchr/testify/assert"
@@ -122,7 +123,7 @@ func testNewIssue(t *testing.T, session *TestSession, user, repo, title, content
 	})
 	resp = session.MakeRequest(t, req, http.StatusFound)
 
-	issueURL := RedirectURL(t, resp)
+	issueURL := test.RedirectURL(resp)
 	req = NewRequest(t, "GET", issueURL)
 	resp = session.MakeRequest(t, req, http.StatusOK)
 
@@ -153,7 +154,7 @@ func testIssueAddComment(t *testing.T, session *TestSession, issueURL, content,
 	})
 	resp = session.MakeRequest(t, req, http.StatusFound)
 
-	req = NewRequest(t, "GET", RedirectURL(t, resp))
+	req = NewRequest(t, "GET", test.RedirectURL(resp))
 	resp = session.MakeRequest(t, req, http.StatusOK)
 
 	htmlDoc = NewHTMLParser(t, resp.Body)
diff --git a/integrations/links_test.go b/integrations/links_test.go
index bc87ca707a..b0abbd7089 100644
--- a/integrations/links_test.go
+++ b/integrations/links_test.go
@@ -11,6 +11,7 @@ import (
 	"testing"
 
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/test"
 	api "code.gitea.io/sdk/gitea"
 
 	"github.com/stretchr/testify/assert"
@@ -54,7 +55,7 @@ func TestRedirectsNoLogin(t *testing.T) {
 	for link, redirectLink := range redirects {
 		req := NewRequest(t, "GET", link)
 		resp := MakeRequest(t, req, http.StatusFound)
-		assert.EqualValues(t, path.Join(setting.AppSubURL, redirectLink), RedirectURL(t, resp))
+		assert.EqualValues(t, path.Join(setting.AppSubURL, redirectLink), test.RedirectURL(resp))
 	}
 }
 
diff --git a/integrations/pull_merge_test.go b/integrations/pull_merge_test.go
index d6413be549..65ccc93f95 100644
--- a/integrations/pull_merge_test.go
+++ b/integrations/pull_merge_test.go
@@ -11,6 +11,8 @@ import (
 	"strings"
 	"testing"
 
+	"code.gitea.io/gitea/modules/test"
+
 	"github.com/stretchr/testify/assert"
 )
 
@@ -54,7 +56,7 @@ func TestPullMerge(t *testing.T) {
 
 	resp := testPullCreate(t, session, "user1", "repo1", "master")
 
-	elem := strings.Split(RedirectURL(t, resp), "/")
+	elem := strings.Split(test.RedirectURL(resp), "/")
 	assert.EqualValues(t, "pulls", elem[3])
 	testPullMerge(t, session, elem[1], elem[2], elem[4])
 }
@@ -67,7 +69,7 @@ func TestPullCleanUpAfterMerge(t *testing.T) {
 
 	resp := testPullCreate(t, session, "user1", "repo1", "feature/test")
 
-	elem := strings.Split(RedirectURL(t, resp), "/")
+	elem := strings.Split(test.RedirectURL(resp), "/")
 	assert.EqualValues(t, "pulls", elem[3])
 	testPullMerge(t, session, elem[1], elem[2], elem[4])
 
diff --git a/integrations/release_test.go b/integrations/release_test.go
index bce1c88fdf..461d3306d8 100644
--- a/integrations/release_test.go
+++ b/integrations/release_test.go
@@ -9,6 +9,8 @@ import (
 	"net/http"
 	"testing"
 
+	"code.gitea.io/gitea/modules/test"
+
 	"github.com/Unknwon/i18n"
 	"github.com/stretchr/testify/assert"
 )
@@ -38,7 +40,7 @@ func createNewRelease(t *testing.T, session *TestSession, repoURL, tag, title st
 
 	resp = session.MakeRequest(t, req, http.StatusFound)
 
-	RedirectURL(t, resp) // check that redirect URL exists
+	test.RedirectURL(resp) // check that redirect URL exists
 }
 
 func checkLatestReleaseAndCount(t *testing.T, session *TestSession, repoURL, version, label string, count int) {
diff --git a/integrations/repo_activity_test.go b/integrations/repo_activity_test.go
index 49d07e7c42..d3d2de4a2c 100644
--- a/integrations/repo_activity_test.go
+++ b/integrations/repo_activity_test.go
@@ -9,6 +9,8 @@ import (
 	"strings"
 	"testing"
 
+	"code.gitea.io/gitea/modules/test"
+
 	"github.com/stretchr/testify/assert"
 )
 
@@ -20,7 +22,7 @@ func TestRepoActivity(t *testing.T) {
 	testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
 	testEditFile(t, session, "user1", "repo1", "master", "README.md", "Hello, World (Edited)\n")
 	resp := testPullCreate(t, session, "user1", "repo1", "master")
-	elem := strings.Split(RedirectURL(t, resp), "/")
+	elem := strings.Split(test.RedirectURL(resp), "/")
 	assert.EqualValues(t, "pulls", elem[3])
 	testPullMerge(t, session, elem[1], elem[2], elem[4])
 
diff --git a/integrations/repo_branch_test.go b/integrations/repo_branch_test.go
index df7f97bd24..c20fd6192c 100644
--- a/integrations/repo_branch_test.go
+++ b/integrations/repo_branch_test.go
@@ -10,6 +10,8 @@ import (
 	"strings"
 	"testing"
 
+	"code.gitea.io/gitea/modules/test"
+
 	"github.com/Unknwon/i18n"
 	"github.com/stretchr/testify/assert"
 )
@@ -29,7 +31,7 @@ func testCreateBranch(t *testing.T, session *TestSession, user, repo, oldRefSubU
 	if expectedStatus != http.StatusFound {
 		return ""
 	}
-	return RedirectURL(t, resp)
+	return test.RedirectURL(resp)
 }
 
 func TestCreateBranch(t *testing.T) {
diff --git a/integrations/timetracking_test.go b/integrations/timetracking_test.go
index 534bb4d613..890f12b300 100644
--- a/integrations/timetracking_test.go
+++ b/integrations/timetracking_test.go
@@ -10,6 +10,8 @@ import (
 	"testing"
 	"time"
 
+	"code.gitea.io/gitea/modules/test"
+
 	"github.com/stretchr/testify/assert"
 )
 
@@ -47,7 +49,7 @@ func testViewTimetrackingControls(t *testing.T, session *TestSession, user, repo
 	if canTrackTime {
 		resp = session.MakeRequest(t, req, http.StatusSeeOther)
 
-		req = NewRequest(t, "GET", RedirectURL(t, resp))
+		req = NewRequest(t, "GET", test.RedirectURL(resp))
 		resp = session.MakeRequest(t, req, http.StatusOK)
 		htmlDoc = NewHTMLParser(t, resp.Body)
 
@@ -65,7 +67,7 @@ func testViewTimetrackingControls(t *testing.T, session *TestSession, user, repo
 		})
 		resp = session.MakeRequest(t, req, http.StatusSeeOther)
 
-		req = NewRequest(t, "GET", RedirectURL(t, resp))
+		req = NewRequest(t, "GET", test.RedirectURL(resp))
 		resp = session.MakeRequest(t, req, http.StatusOK)
 		htmlDoc = NewHTMLParser(t, resp.Body)
 
diff --git a/integrations/user_test.go b/integrations/user_test.go
index ddb46da317..da39234c3b 100644
--- a/integrations/user_test.go
+++ b/integrations/user_test.go
@@ -9,6 +9,7 @@ import (
 	"testing"
 
 	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/test"
 
 	"github.com/Unknwon/i18n"
 	"github.com/stretchr/testify/assert"
@@ -86,7 +87,7 @@ func TestRenameReservedUsername(t *testing.T) {
 		})
 		resp := session.MakeRequest(t, req, http.StatusFound)
 
-		req = NewRequest(t, "GET", RedirectURL(t, resp))
+		req = NewRequest(t, "GET", test.RedirectURL(resp))
 		resp = session.MakeRequest(t, req, http.StatusOK)
 		htmlDoc := NewHTMLParser(t, resp.Body)
 		assert.Contains(t,
diff --git a/models/unit_tests.go b/models/unit_tests.go
index ff7a87da30..25808a9486 100644
--- a/models/unit_tests.go
+++ b/models/unit_tests.go
@@ -17,6 +17,7 @@ import (
 	"github.com/go-xorm/xorm"
 	"github.com/stretchr/testify/assert"
 	"gopkg.in/testfixtures.v2"
+	"net/url"
 )
 
 // NonexistentID an ID that will never exist
@@ -28,9 +29,10 @@ var giteaRoot string
 // MainTest a reusable TestMain(..) function for unit tests that need to use a
 // test database. Creates the test database, and sets necessary settings.
 func MainTest(m *testing.M, pathToGiteaRoot string) {
+	var err error
 	giteaRoot = pathToGiteaRoot
 	fixturesDir := filepath.Join(pathToGiteaRoot, "models", "fixtures")
-	if err := createTestEngine(fixturesDir); err != nil {
+	if err = createTestEngine(fixturesDir); err != nil {
 		fmt.Fprintf(os.Stderr, "Error creating test engine: %v\n", err)
 		os.Exit(1)
 	}
@@ -41,6 +43,13 @@ func MainTest(m *testing.M, pathToGiteaRoot string) {
 	setting.SSH.Domain = "try.gitea.io"
 	setting.RepoRootPath = filepath.Join(os.TempDir(), "repos")
 	setting.AppDataPath = filepath.Join(os.TempDir(), "appdata")
+	setting.AppWorkPath = pathToGiteaRoot
+	setting.StaticRootPath = pathToGiteaRoot
+	setting.GravatarSourceURL, err = url.Parse("https://secure.gravatar.com/avatar/")
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error url.Parse: %v\n", err)
+		os.Exit(1)
+	}
 
 	os.Exit(m.Run())
 }
@@ -140,6 +149,14 @@ func AssertNotExistsBean(t *testing.T, bean interface{}, conditions ...interface
 	assert.False(t, exists)
 }
 
+// AssertExistsIf asserts that a bean exists or does not exist, depending on
+// what is expected.
+func AssertExistsIf(t *testing.T, expected bool, bean interface{}, conditions ...interface{}) {
+	exists, err := loadBeanIfExists(bean, conditions...)
+	assert.NoError(t, err)
+	assert.Equal(t, expected, exists)
+}
+
 // AssertSuccessfulInsert assert that beans is successfully inserted
 func AssertSuccessfulInsert(t *testing.T, beans ...interface{}) {
 	_, err := x.Insert(beans...)
diff --git a/modules/test/context_tests.go b/modules/test/context_tests.go
index 11f3d83b83..bd5ea3fd38 100644
--- a/modules/test/context_tests.go
+++ b/modules/test/context_tests.go
@@ -16,6 +16,7 @@ import (
 	"github.com/go-macaron/session"
 	"github.com/stretchr/testify/assert"
 	"gopkg.in/macaron.v1"
+	"net/http/httptest"
 )
 
 // MockContext mock context for unit tests
@@ -44,6 +45,7 @@ func MockContext(t *testing.T, path string) *context.Context {
 func LoadRepo(t *testing.T, ctx *context.Context, repoID int64) {
 	ctx.Repo = &context.Repository{}
 	ctx.Repo.Repository = models.AssertExistsAndLoadBean(t, &models.Repository{ID: repoID}).(*models.Repository)
+	ctx.Repo.RepoLink = ctx.Repo.Repository.Link()
 }
 
 // LoadUser load a user into a test context.
@@ -71,32 +73,21 @@ func (l mockLocale) Tr(s string, _ ...interface{}) string {
 }
 
 type mockResponseWriter struct {
-	status int
-	size   int
-}
-
-func (rw *mockResponseWriter) Header() http.Header {
-	return map[string][]string{}
+	httptest.ResponseRecorder
+	size int
 }
 
 func (rw *mockResponseWriter) Write(b []byte) (int, error) {
 	rw.size += len(b)
-	return len(b), nil
-}
-
-func (rw *mockResponseWriter) WriteHeader(status int) {
-	rw.status = status
-}
-
-func (rw *mockResponseWriter) Flush() {
+	return rw.ResponseRecorder.Write(b)
 }
 
 func (rw *mockResponseWriter) Status() int {
-	return rw.status
+	return rw.ResponseRecorder.Code
 }
 
 func (rw *mockResponseWriter) Written() bool {
-	return rw.status > 0
+	return rw.ResponseRecorder.Code > 0
 }
 
 func (rw *mockResponseWriter) Size() int {
diff --git a/modules/test/utils.go b/modules/test/utils.go
new file mode 100644
index 0000000000..ed1628ab47
--- /dev/null
+++ b/modules/test/utils.go
@@ -0,0 +1,14 @@
+// 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 test
+
+import (
+	"net/http"
+)
+
+// RedirectURL returns the redirect URL of a http response.
+func RedirectURL(resp http.ResponseWriter) string {
+	return resp.Header().Get("Location")
+}
diff --git a/routers/repo/issue.go b/routers/repo/issue.go
index 7664d074e3..ec8fda8f7c 100644
--- a/routers/repo/issue.go
+++ b/routers/repo/issue.go
@@ -776,7 +776,7 @@ func getActionIssues(ctx *context.Context) []*models.Issue {
 			return nil
 		}
 		if err = issue.LoadAttributes(); err != nil {
-			ctx.Handle(500, "LoadAttributes", nil)
+			ctx.Handle(500, "LoadAttributes", err)
 			return nil
 		}
 	}
diff --git a/routers/repo/issue_label.go b/routers/repo/issue_label.go
index 9b4da4b500..f8a955ba6d 100644
--- a/routers/repo/issue_label.go
+++ b/routers/repo/issue_label.go
@@ -155,18 +155,14 @@ func UpdateIssueLabel(ctx *context.Context) {
 		}
 
 		if action == "toggle" {
-			anyHaveLabel := false
+			// detach if any issues already have label, otherwise attach
+			action = "attach"
 			for _, issue := range issues {
 				if issue.HasLabel(label.ID) {
-					anyHaveLabel = true
+					action = "detach"
 					break
 				}
 			}
-			if anyHaveLabel {
-				action = "detach"
-			} else {
-				action = "attach"
-			}
 		}
 
 		if action == "attach" {
diff --git a/routers/repo/issue_label_test.go b/routers/repo/issue_label_test.go
new file mode 100644
index 0000000000..9052a65d28
--- /dev/null
+++ b/routers/repo/issue_label_test.go
@@ -0,0 +1,164 @@
+// 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 repo
+
+import (
+	"net/http"
+	"strconv"
+	"testing"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/auth"
+	"code.gitea.io/gitea/modules/test"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func int64SliceToCommaSeparated(a []int64) string {
+	s := ""
+	for i, n := range a {
+		if i > 0 {
+			s += ","
+		}
+		s += strconv.Itoa(int(n))
+	}
+	return s
+}
+
+func TestInitializeLabels(t *testing.T) {
+	models.PrepareTestEnv(t)
+	ctx := test.MockContext(t, "user2/repo1/labels/initialize")
+	test.LoadUser(t, ctx, 2)
+	test.LoadRepo(t, ctx, 2)
+	InitializeLabels(ctx, auth.InitializeLabelsForm{"Default"})
+	assert.EqualValues(t, http.StatusFound, ctx.Resp.Status())
+	models.AssertExistsAndLoadBean(t, &models.Label{
+		RepoID: 2,
+		Name:   "enhancement",
+		Color:  "#84b6eb",
+	})
+	assert.Equal(t, "/user2/repo2/labels", test.RedirectURL(ctx.Resp))
+}
+
+func TestRetrieveLabels(t *testing.T) {
+	models.PrepareTestEnv(t)
+	for _, testCase := range []struct {
+		RepoID           int64
+		Sort             string
+		ExpectedLabelIDs []int64
+	}{
+		{1, "", []int64{1, 2}},
+		{1, "leastissues", []int64{2, 1}},
+		{2, "", []int64{}},
+	} {
+		ctx := test.MockContext(t, "user/repo/issues")
+		test.LoadUser(t, ctx, 2)
+		test.LoadRepo(t, ctx, testCase.RepoID)
+		ctx.Req.Form.Set("sort", testCase.Sort)
+		RetrieveLabels(ctx)
+		assert.False(t, ctx.Written())
+		labels, ok := ctx.Data["Labels"].([]*models.Label)
+		assert.True(t, ok)
+		if assert.Len(t, labels, len(testCase.ExpectedLabelIDs)) {
+			for i, label := range labels {
+				assert.EqualValues(t, testCase.ExpectedLabelIDs[i], label.ID)
+			}
+		}
+	}
+}
+
+func TestNewLabel(t *testing.T) {
+	models.PrepareTestEnv(t)
+	ctx := test.MockContext(t, "user2/repo1/labels/edit")
+	test.LoadUser(t, ctx, 2)
+	test.LoadRepo(t, ctx, 1)
+	NewLabel(ctx, auth.CreateLabelForm{
+		Title: "newlabel",
+		Color: "#abcdef",
+	})
+	assert.EqualValues(t, http.StatusFound, ctx.Resp.Status())
+	models.AssertExistsAndLoadBean(t, &models.Label{
+		Name:  "newlabel",
+		Color: "#abcdef",
+	})
+	assert.Equal(t, "/user2/repo1/labels", test.RedirectURL(ctx.Resp))
+}
+
+func TestUpdateLabel(t *testing.T) {
+	models.PrepareTestEnv(t)
+	ctx := test.MockContext(t, "user2/repo1/labels/edit")
+	test.LoadUser(t, ctx, 2)
+	test.LoadRepo(t, ctx, 1)
+	UpdateLabel(ctx, auth.CreateLabelForm{
+		ID:    2,
+		Title: "newnameforlabel",
+		Color: "#abcdef",
+	})
+	assert.EqualValues(t, http.StatusFound, ctx.Resp.Status())
+	models.AssertExistsAndLoadBean(t, &models.Label{
+		ID:    2,
+		Name:  "newnameforlabel",
+		Color: "#abcdef",
+	})
+	assert.Equal(t, "/user2/repo1/labels", test.RedirectURL(ctx.Resp))
+}
+
+func TestDeleteLabel(t *testing.T) {
+	models.PrepareTestEnv(t)
+	ctx := test.MockContext(t, "user2/repo1/labels/delete")
+	test.LoadUser(t, ctx, 2)
+	test.LoadRepo(t, ctx, 1)
+	ctx.Req.Form.Set("id", "2")
+	DeleteLabel(ctx)
+	assert.EqualValues(t, http.StatusOK, ctx.Resp.Status())
+	models.AssertNotExistsBean(t, &models.Label{ID: 2})
+	models.AssertNotExistsBean(t, &models.IssueLabel{LabelID: 2})
+	assert.Equal(t, ctx.Tr("repo.issues.label_deletion_success"), ctx.Flash.SuccessMsg)
+}
+
+func TestUpdateIssueLabel_Clear(t *testing.T) {
+	models.PrepareTestEnv(t)
+	ctx := test.MockContext(t, "user2/repo1/issues/labels")
+	test.LoadUser(t, ctx, 2)
+	test.LoadRepo(t, ctx, 1)
+	ctx.Req.Form.Set("issue_ids", "1,3")
+	ctx.Req.Form.Set("action", "clear")
+	UpdateIssueLabel(ctx)
+	assert.EqualValues(t, http.StatusOK, ctx.Resp.Status())
+	models.AssertNotExistsBean(t, &models.IssueLabel{IssueID: 1})
+	models.AssertNotExistsBean(t, &models.IssueLabel{IssueID: 3})
+	models.CheckConsistencyFor(t, &models.Label{})
+}
+
+func TestUpdateIssueLabel_Toggle(t *testing.T) {
+	for _, testCase := range []struct {
+		Action      string
+		IssueIDs    []int64
+		LabelID     int64
+		ExpectedAdd bool // whether we expect the label to be added to the issues
+	}{
+		{"attach", []int64{1, 3}, 1, true},
+		{"detach", []int64{1, 3}, 1, false},
+		{"toggle", []int64{1, 3}, 1, false},
+		{"toggle", []int64{1, 2}, 2, true},
+	} {
+		models.PrepareTestEnv(t)
+		ctx := test.MockContext(t, "user2/repo1/issues/labels")
+		test.LoadUser(t, ctx, 2)
+		test.LoadRepo(t, ctx, 1)
+		ctx.Req.Form.Set("issue_ids", int64SliceToCommaSeparated(testCase.IssueIDs))
+		ctx.Req.Form.Set("action", testCase.Action)
+		ctx.Req.Form.Set("id", strconv.Itoa(int(testCase.LabelID)))
+		UpdateIssueLabel(ctx)
+		assert.EqualValues(t, http.StatusOK, ctx.Resp.Status())
+		for _, issueID := range testCase.IssueIDs {
+			models.AssertExistsIf(t, testCase.ExpectedAdd, &models.IssueLabel{
+				IssueID: issueID,
+				LabelID: testCase.LabelID,
+			})
+		}
+		models.CheckConsistencyFor(t, &models.Label{})
+	}
+}