fix(pkg/cleaner/cleaner_test.go): add basic unit tests for the cleaner

Author: Aaron Schlesinger

pkg/cleaner/cleaner_test.go

@@ -0,0 +1,35 @@
+package cleaner
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/arschles/assert"
+	"k8s.io/kubernetes/pkg/api"
+)
+
+func TestGetDisjunction(t *testing.T) {
+	nsList := []api.Namespace{
+		api.Namespace{ObjectMeta: api.ObjectMeta{Name: "app1"}},
+		api.Namespace{ObjectMeta: api.ObjectMeta{Name: "app2"}},
+	}
+	dirList := []string{"app1", "app3"}
+	disj := getDisjunction(nsList, dirList)
+	assert.Equal(t, len(disj), 2, "number of items in the disjunction")
+}
+
+func TestLocalDirs(t *testing.T) {
+	wd, err := os.Getwd()
+	assert.NoErr(t, err)
+	pkgDir, err := filepath.Abs(wd + "/..")
+	assert.NoErr(t, err)
+	lDirs, err := localDirs(pkgDir)
+	for _, dir := range lDirs {
+		rel, err := filepath.Rel(pkgDir, dir)
+		assert.NoErr(t, err)
+		spl := strings.Split(rel, "/")
+		assert.Equal(t, len(spl), 1, "directory depth")
+	}
+}