Define a plugin compiler.

pkg/plugins/compiler_test.go

@@ -0,0 +1,60 @@
+/*
+Copyright 2019 The Kubernetes 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 plugins_test
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	. "sigs.k8s.io/kustomize/pkg/plugins"
+)
+
+// Regression coverage over compiler behavior.
+func TestCompiler(t *testing.T) {
+	configRoot, err := ioutil.TempDir("", "kustomize-compiler-test")
+	if err != nil {
+		t.Errorf("failed to make temp dir: %v", err)
+	}
+	srcRoot, err := DefaultSrcRoot()
+	if err != nil {
+		t.Error(err)
+	}
+	c := NewCompiler(srcRoot, configRoot)
+	if configRoot != c.ObjRoot() {
+		t.Errorf("unexpected objRoot %s", c.ObjRoot())
+	}
+	expectObj := filepath.Join(
+		c.ObjRoot(),
+		"someteam.example.com", "v1", "DatePrefixer.so")
+	if FileExists(expectObj) {
+		t.Errorf("obj file should not exist yet: %s", expectObj)
+	}
+	err = c.Compile("someteam.example.com", "v1", "DatePrefixer")
+	if err != nil {
+		t.Error(err)
+	}
+	if !RecentFileExists(expectObj) {
+		t.Errorf("didn't find expected obj file %s", expectObj)
+	}
+	err = os.RemoveAll(c.ObjRoot())
+	if err != nil {
+		t.Errorf(
+			"removing temp dir: %s %v", c.ObjRoot(), err)
+	}
+	if FileExists(expectObj) {
+		t.Errorf("cleanup failed; still see: %s", expectObj)
+	}
+}