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/*
Copyright 2018 Google, Inc. All rights reserved.
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 differs
import (
"reflect"
"testing"
pkgutil "github.com/GoogleContainerTools/container-diff/pkg/util"
"github.com/GoogleContainerTools/container-diff/util"
)
func TestGetNodePackages(t *testing.T) {
testCases := []struct {
descrip string
path string
expected map[string]map[string]util.PackageInfo
err bool
}{
{
descrip: "no directory",
path: "testDirs/notThere",
expected: map[string]map[string]util.PackageInfo{},
err: true,
},
{
descrip: "no packages",
path: "testDirs/noPackages",
expected: map[string]map[string]util.PackageInfo{},
},
{
descrip: "all packages in one layer",
path: "testDirs/packageOne",
expected: map[string]map[string]util.PackageInfo{
"pac1": {"/node_modules/pac1/": {Version: "1.0", Size: 41}},
"pac2": {"/usr/local/lib/node_modules/pac2/": {Version: "2.0", Size: 41}},
"pac3": {"/node_modules/pac3/": {Version: "3.0", Size: 41}}},
},
{
descrip: "Multi version packages",
path: "testDirs/packageMulti",
expected: map[string]map[string]util.PackageInfo{
"pac1": {"/node_modules/pac1/": {Version: "1.0", Size: 41}},
"pac2": {"/node_modules/pac2/": {Version: "2.0", Size: 41},
"/usr/local/lib/node_modules/pac2/": {Version: "3.0", Size: 41}}},
},
}
for _, test := range testCases {
image := pkgutil.Image{FSPath: test.path}
d := NodeAnalyzer{}
packages, err := d.getPackages(image)
if err != nil && !test.err {
t.Errorf("Got unexpected error: %s", err)
}
if err == nil && test.err {
t.Errorf("Expected error but got none.")
}
if !reflect.DeepEqual(packages, test.expected) {
t.Errorf("Expected: %v but got: %v", test.expected, packages)
}
}
}
func TestReadPackageJSON(t *testing.T) {
testCases := []struct {
descrip string
path string
expected nodePackage
err bool
}{
{
descrip: "Error on non-existent file",
path: "testDirs/not_real.json",
err: true,
},
{
descrip: "Parse JSON with exact fields",
path: "testDirs/exact.json",
expected: nodePackage{"La-croix", "Lime"},
},
{
descrip: "Parse JSON with additional fields",
path: "testDirs/extra.json",
expected: nodePackage{"La-croix", "Lime"},
},
}
for _, test := range testCases {
actual, err := readPackageJSON(test.path)
if err != nil && !test.err {
t.Errorf("Got unexpected error: %s", err)
}
if err == nil && test.err {
t.Error("Expected errorbut got none.")
}
if !reflect.DeepEqual(actual, test.expected) {
t.Errorf("Expected: %s but got: %s", test.expected, actual)
}
}
}