Implement proper build options

buildutils/buildutils.go

@@ -50,13 +50,18 @@ type ModMode string
 
 const (
 	// ModModeVendor causes modules to be resolved from a vendor folder.
-	ModModeVendor = "vendor"
+	ModModeVendor ModMode = "vendor"
 	// ModModeReadonly expect all modules to be present in the module cache for the current module.
-	ModModeReadonly = "readonly"
+	ModModeReadonly ModMode = "readonly"
 	// ModModeMod fetches any module before building.
-	ModModeMod = "mod"
+	ModModeMod ModMode = "mod"
 )
 
+// ApplyToBuild implements BuildOption.
+func (m ModMode) ApplyToBuild(o *BuildOptions) {
+	o.Mod = &m
+}
+
 // BuildOptions are options to supply for a Build.
 type BuildOptions struct {
 	// ForceRebuild forces rebuilding of packages that are already up-to-date.
@@ -88,6 +93,17 @@ type BuildOption interface {
 	ApplyToBuild(o *BuildOptions)
 }
 
+// forceRebuild is an option to force rebuilding packages.
+type forceRebuild struct{}
+
+// ApplyToBuild implements BuildOption.
+func (forceRebuild) ApplyToBuild(o *BuildOptions) {
+	o.ForceRebuild = true
+}
+
+// ForceRebuild is an option to force rebuilding packages.
+var ForceRebuild = forceRebuild{}
+
 // Build runs `go build` with the target output and name.
 // If BuilderOptions.Tidy was set, it runs `go mod tidy` beforehand.
 func (b *Builder) Build(name, filename string, opts ...BuildOption) error {

buildutils/buildutils_suite_test.go

@@ -0,0 +1,27 @@
+// Copyright 2022 OnMetal authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package buildutils_test
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+func TestBuildutils(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Buildutils Suite")
+}

buildutils/buildutils_test.go

@@ -0,0 +1,42 @@
+// Copyright 2022 OnMetal authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package buildutils_test
+
+import (
+	. "github.com/onmetal/controller-utils/buildutils"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Buildutils", func() {
+	Describe("ModMode", func() {
+		It("should set the mod property of build options", func() {
+			mod := ModModeMod
+			o := &BuildOptions{}
+			mod.ApplyToBuild(o)
+
+			Expect(o.Mod).To(HaveValue(Equal(mod)))
+		})
+	})
+
+	Describe("ForceRebuild", func() {
+		It("should set the force rebuild property of build options", func() {
+			o := &BuildOptions{}
+			ForceRebuild.ApplyToBuild(o)
+
+			Expect(o.ForceRebuild).To(BeTrue())
+		})
+	})
+})