// Copyright 2018 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package issues_test import (	"testing" 	"forgejo.org/models/db"	issues_model "forgejo.org/models/issues"	"forgejo.org/models/unittest"	user_model "forgejo.org/models/user" 	"github.com/stretchr/testify/assert"	"github.com/stretchr/testify/require") func TestCreateIssueDependency(t *testing.T) {	// Prepare	require.NoError(t, unittest.PrepareTestDatabase()) 	user1, err := user_model.GetUserByID(db.DefaultContext, 1)	require.NoError(t, err) 	issue1, err := issues_model.GetIssueByID(db.DefaultContext, 1)	require.NoError(t, err) 	issue2, err := issues_model.GetIssueByID(db.DefaultContext, 2)	require.NoError(t, err) 	// Create a dependency and check if it was successful	err = issues_model.CreateIssueDependency(db.DefaultContext, user1, issue1, issue2)	require.NoError(t, err) 	// Do it again to see if it will check if the dependency already exists	err = issues_model.CreateIssueDependency(db.DefaultContext, user1, issue1, issue2)	require.Error(t, err)	assert.True(t, issues_model.IsErrDependencyExists(err)) 	// Check for circular dependencies	err = issues_model.CreateIssueDependency(db.DefaultContext, user1, issue2, issue1)	require.Error(t, err)	assert.True(t, issues_model.IsErrCircularDependency(err)) 	_ = unittest.AssertExistsAndLoadBean(t, &issues_model.Comment{Type: issues_model.CommentTypeAddDependency, PosterID: user1.ID, IssueID: issue1.ID}) 	// Check if dependencies left is correct	left, err := issues_model.IssueNoDependenciesLeft(db.DefaultContext, issue1)	require.NoError(t, err)	assert.False(t, left) 	// Close #2 and check again	_, err = issues_model.ChangeIssueStatus(db.DefaultContext, issue2, user1, true)	require.NoError(t, err) 	left, err = issues_model.IssueNoDependenciesLeft(db.DefaultContext, issue1)	require.NoError(t, err)	assert.True(t, left) 	// Test removing the dependency	err = issues_model.RemoveIssueDependency(db.DefaultContext, user1, issue1, issue2, issues_model.DependencyTypeBlockedBy)	require.NoError(t, err)}