add test coverage for local package installs

pkg/local_test.go

@@ -0,0 +1,73 @@
+package pkg
+
+import (
+	"context"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/jsonnet-bundler/jsonnet-bundler/spec/v1/deps"
+)
+
+func TestLocalInstall(t *testing.T) {
+	cwd, err := os.Getwd()
+	assert.NoError(t, err)
+
+	vendorDir, err := ioutil.TempDir(cwd, "vendor")
+	assert.NoError(t, err)
+	defer os.RemoveAll(vendorDir)
+
+	pkgDir, err := ioutil.TempDir(cwd, "foo")
+	assert.NoError(t, err)
+	defer os.RemoveAll(pkgDir)
+
+	relPath, err := filepath.Rel(cwd, pkgDir)
+	assert.NoError(t, err)
+
+	p := NewLocalPackage(&deps.Local{Directory: relPath})
+	lockVersion, err := p.Install(context.TODO(), "foo", vendorDir, "v1.0")
+	assert.NoError(t, err)
+	assert.Empty(t, lockVersion)
+}
+
+func TestLocalInstallSourceNotFound(t *testing.T) {
+	cwd, err := os.Getwd()
+	assert.NoError(t, err)
+
+	vendorDir, err := ioutil.TempDir(cwd, "vendor")
+	assert.NoError(t, err)
+	defer os.RemoveAll(vendorDir)
+
+	relPath := "foo"
+	p := NewLocalPackage(&deps.Local{Directory: relPath})
+	lockVersion, err := p.Install(context.TODO(), "foo", vendorDir, "v1.0")
+	assert.Error(t, err)
+	assert.Empty(t, lockVersion)
+}
+
+func TestLocalInstallTargetDoesNotExist(t *testing.T) {
+	cwd, err := os.Getwd()
+	assert.NoError(t, err)
+
+	pkgDir, err := ioutil.TempDir(cwd, "foo")
+	assert.NoError(t, err)
+	defer os.RemoveAll(pkgDir)
+
+	relPath, err := filepath.Rel(cwd, pkgDir)
+	assert.NoError(t, err)
+
+	p := NewLocalPackage(&deps.Local{Directory: relPath})
+	lockVersion, err := p.Install(context.TODO(), "foo", "vendor", "v1.0")
+	assert.Error(t, err)
+	assert.Empty(t, lockVersion)
+}
+
+func TestLocalInstallSourceAndTargetDoNotExist(t *testing.T) {
+	p := NewLocalPackage(&deps.Local{Directory: "foo"})
+	lockVersion, err := p.Install(context.TODO(), "foo", "bar", "v1.0")
+	assert.Error(t, err)
+	assert.Empty(t, lockVersion)
+}