add integration test

pkg/build/gomodules.go

@@ -41,6 +41,14 @@ func (b *Build) cpGoModulesProject() {
 	}
 }
 
+// updateGoModFile rewrites the go.mod file in the temporary directory,
+// if it has a 'replace' directive, and the directive has a relative local path
+// it will be rewritten with a absolute path.
+// ex.
+// suppose original project is located at /path/to/aa/bb/cc, go.mod contains a directive:
+// 'replace github.com/qiniu/bar => ../home/foo/bar'
+// after the project is copied to temporary directory, it should be rewritten as
+// 'replace github.com/qiniu/bar => /path/to/aa/bb/home/foo/bar'
 func (b *Build) updateGoModFile() (updateFlag bool, newModFile []byte, err error) {
 	tempModfile := filepath.Join(b.TmpDir, "go.mod")
 	buf, err := ioutil.ReadFile(tempModfile)
@@ -64,19 +72,19 @@ func (b *Build) updateGoModFile() (updateFlag bool, newModFile []byte, err error
 		if newVersion == "" && !filepath.IsAbs(newPath) {
 			var absPath string
 			fullPath := filepath.Join(b.ModRoot, newPath)
-			absPath, err = filepath.Abs(fullPath)
-			if err != nil {
-				return
-			}
+			absPath, _ = filepath.Abs(fullPath)
+			// DropReplace & AddReplace will not return error
+			// so no need to check the error
 			_ = oriGoModFile.DropReplace(oldPath, oldVersion)
 			_ = oriGoModFile.AddReplace(oldPath, oldVersion, absPath, newVersion)
 			updateFlag = true
 		}
 	}
 	oriGoModFile.Cleanup()
-	newModFile, err = oriGoModFile.Format()
-	if err != nil {
-		return
-	}
+	// Format will not return error, so ignore the returned error
+	// func (f *File) Format() ([]byte, error) {
+	//     return Format(f.Syntax), nil
+	// }
+	newModFile, _ = oriGoModFile.Format()
 	return
 }

pkg/build/gomodules_test.go

@@ -79,6 +79,7 @@ func TestUpdateModFileIfContainsReplace(t *testing.T) {
 
 // test wrong go mod file
 func TestWithWrongGoModFile(t *testing.T) {
+	// go.mod not exist
 	workingDir := filepath.Join(baseDir, "../../tests/samples/xxxxxxxxxxxx/a")
 	b := &Build{
 		TmpDir:  workingDir,

pkg/build/tmpfolder.go

@@ -76,10 +76,9 @@ func (b *Build) mvProjectsToTmp() error {
 	// Create a new tmp folder
 	err := os.MkdirAll(filepath.Join(b.TmpDir, "src"), os.ModePerm)
 	if err != nil {
-		log.Errorf("Fail to create the temporary build directory. The err is: %v", err)
-		return err
+		return fmt.Errorf("Fail to create the temporary build directory. The err is: %v", err)
 	}
-	log.Printf("Tmp project generated in: %v", b.TmpDir)
+	log.Infof("Tmp project generated in: %v", b.TmpDir)
 
 	// traverse pkg list to get project meta info
 	b.IsMod, b.Root, err = b.traversePkgsList()
@@ -90,7 +89,6 @@ func (b *Build) mvProjectsToTmp() error {
 	// we should get corresponding working directory in temporary directory
 	b.TmpWorkingDir, err = b.getTmpwd()
 	if err != nil {
-		log.Errorf("fail to get workding directory in temporary directory: %v", err)
 		return fmt.Errorf("getTmpwd failed with error: %w", err)
 	}
 	// issue #14
@@ -108,7 +106,7 @@ func (b *Build) mvProjectsToTmp() error {
 		log.Infof("go.mod needs rewrite? %v", updated)
 		if updated {
 			tmpModFile := filepath.Join(b.TmpDir, "go.mod")
-			err := ioutil.WriteFile(tmpModFile, newGoModContent, 0666)
+			err := ioutil.WriteFile(tmpModFile, newGoModContent, os.ModePerm)
 			if err != nil {
 				return fmt.Errorf("fail to update go.mod: %v", err)
 			}

tests/build.bats

@@ -72,5 +72,18 @@ setup() {
     info build3 output: $output
     [ "$status" -eq 0 ]
 
+    wait $profile_pid
+}
+
+@test "test goc build with go.mod project which contains replace directive" {
+    cd samples/gomod_replace_project
+
+    wait_profile_backend "build4" &
+    profile_pid=$!
+
+    run gocc build --debug --debugcisyncfile ci-sync.bak;
+    info build4 output: $output
+    [ "$status" -eq 0 ]
+
     wait $profile_pid
 }

tests/samples/gomod_replace_library/bar.go

@@ -0,0 +1,7 @@
+package foo
+
+import "fmt"
+
+func Bar() {
+	fmt.Println("foo bar")
+}

tests/samples/gomod_replace_library/go.mod

@@ -0,0 +1,4 @@
+module qiniu.com/foo
+
+
+go 1.11

tests/samples/gomod_replace_project/go.mod

@@ -0,0 +1,7 @@
+module example.com/simple-project
+
+require qiniu.com/foo v0.0.0
+
+replace qiniu.com/foo => ../gomod_replace_library
+
+go 1.11

tests/samples/gomod_replace_project/main.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+	"qiniu.com/foo"
+)
+
+func main() {
+	foo.Bar()
+}