1 files changed, 71 insertions, 0 deletions
diff --git a/models/issue_assignees_test.go b/models/issue_assignees_test.go
new file mode 100644
index 0000000000..3247812198
--- /dev/null
+++ b/models/issue_assignees_test.go
@@ -0,0 +1,71 @@
+// Copyright 2018 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 models
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUpdateAssignee(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	// Fake issue with assignees
+	issue, err := GetIssueByID(1)
+	assert.NoError(t, err)
+
+	// Assign multiple users
+	user2, err := GetUserByID(2)
+	assert.NoError(t, err)
+	err = UpdateAssignee(issue, &User{ID: 1}, user2.ID)
+	assert.NoError(t, err)
+
+	user3, err := GetUserByID(3)
+	assert.NoError(t, err)
+	err = UpdateAssignee(issue, &User{ID: 1}, user3.ID)
+	assert.NoError(t, err)
+
+	user1, err := GetUserByID(1) // This user is already assigned (see the definition in fixtures), so running  UpdateAssignee should unassign him
+	assert.NoError(t, err)
+	err = UpdateAssignee(issue, &User{ID: 1}, user1.ID)
+	assert.NoError(t, err)
+
+	// Check if he got removed
+	isAssigned, err := IsUserAssignedToIssue(issue, user1)
+	assert.NoError(t, err)
+	assert.False(t, isAssigned)
+
+	// Check if they're all there
+	assignees, err := GetAssigneesByIssue(issue)
+	assert.NoError(t, err)
+
+	var expectedAssignees []*User
+	expectedAssignees = append(expectedAssignees, user2)
+	expectedAssignees = append(expectedAssignees, user3)
+
+	for in, assignee := range assignees {
+		assert.Equal(t, assignee.ID, expectedAssignees[in].ID)
+	}
+
+	// Check if the user is assigned
+	isAssigned, err = IsUserAssignedToIssue(issue, user2)
+	assert.NoError(t, err)
+	assert.True(t, isAssigned)
+
+	// This user should not be assigned
+	isAssigned, err = IsUserAssignedToIssue(issue, &User{ID: 4})
+	assert.NoError(t, err)
+	assert.False(t, isAssigned)
+
+	// Clean everyone
+	err = DeleteNotPassedAssignee(issue, user1, []*User{})
+	assert.NoError(t, err)
+
+	// Check they're gone
+	assignees, err = GetAssigneesByIssue(issue)
+	assert.NoError(t, err)
+	assert.Equal(t, 0, len(assignees))
+}