Add commit statuses reports on pull request view (#6845)

* Add commit statuses reports on pull view

* Add some translations

* improve the UI

* fix fmt

* fix tests

* add a new test git repo to fix tests

* fix bug when headRepo or headBranch missing

* fix tests

* fix tests

* fix consistency

* fix tests

* fix tests

* change the test repo

* fix tests

* fix tests

* fix migration

* keep db size consistency

* fix translation

* change commit hash status table unique index

* remove unused table

* use char instead varchar

* make hashCommitStatusContext private

* split merge section with status check on pull view ui

* fix tests; fix arc-green theme on pull ui

models/commit_status_test.go

@@ -0,0 +1,38 @@
+// Copyright 2017 Gitea. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package models
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetCommitStatuses(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	repo1 := AssertExistsAndLoadBean(t, &Repository{ID: 1}).(*Repository)
+
+	sha1 := "1234123412341234123412341234123412341234"
+
+	statuses, err := GetCommitStatuses(repo1, sha1, 0)
+	assert.NoError(t, err)
+	if assert.Len(t, statuses, 5) {
+		assert.Equal(t, statuses[0].Context, "ci/awesomeness")
+		assert.Equal(t, statuses[0].State, CommitStatusPending)
+
+		assert.Equal(t, statuses[1].Context, "cov/awesomeness")
+		assert.Equal(t, statuses[1].State, CommitStatusWarning)
+
+		assert.Equal(t, statuses[2].Context, "cov/awesomeness")
+		assert.Equal(t, statuses[2].State, CommitStatusSuccess)
+
+		assert.Equal(t, statuses[3].Context, "ci/awesomeness")
+		assert.Equal(t, statuses[3].State, CommitStatusFailure)
+
+		assert.Equal(t, statuses[4].Context, "deploy/awesomeness")
+		assert.Equal(t, statuses[4].State, CommitStatusError)
+	}
+}