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293 lines
9.9 KiB
293 lines
9.9 KiB
// Copyright © 2017-2019 Aqua Security Software Ltd. <info@aquasec.com>
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package check
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import (
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"bytes"
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"encoding/json"
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"encoding/xml"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/onsi/ginkgo/reporters"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"gopkg.in/yaml.v2"
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)
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const cfgDir = "../cfg/"
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type mockRunner struct {
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mock.Mock
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}
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func (m *mockRunner) Run(c *Check) State {
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args := m.Called(c)
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return args.Get(0).(State)
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}
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// validate that the files we're shipping are valid YAML
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func TestYamlFiles(t *testing.T) {
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err := filepath.Walk(cfgDir, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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t.Fatalf("failure accessing path %q: %v\n", path, err)
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}
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if !info.IsDir() {
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t.Logf("reading file: %s", path)
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in, err := ioutil.ReadFile(path)
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if err != nil {
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t.Fatalf("error opening file %s: %v", path, err)
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}
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c := new(Controls)
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err = yaml.Unmarshal(in, c)
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if err == nil {
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t.Logf("YAML file successfully unmarshalled: %s", path)
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} else {
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t.Fatalf("failed to load YAML from %s: %v", path, err)
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}
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}
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return nil
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})
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if err != nil {
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t.Fatalf("failure walking cfg dir: %v\n", err)
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}
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}
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func TestNewControls(t *testing.T) {
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t.Run("Should return error when node type is not specified", func(t *testing.T) {
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// given
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in := []byte(`
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---
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controls:
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type: # not specified
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groups:
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`)
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// when
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_, err := NewControls(MASTER, in)
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// then
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assert.EqualError(t, err, "non-master controls file specified")
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})
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t.Run("Should return error when input YAML is invalid", func(t *testing.T) {
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// given
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in := []byte("BOOM")
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// when
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_, err := NewControls(MASTER, in)
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// then
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assert.EqualError(t, err, "failed to unmarshal YAML: yaml: unmarshal errors:\n line 1: cannot unmarshal !!str `BOOM` into check.Controls")
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})
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}
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func TestControls_RunChecks(t *testing.T) {
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t.Run("Should run checks matching the filter and update summaries", func(t *testing.T) {
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// given
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runner := new(mockRunner)
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// and
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in := []byte(`
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---
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type: "master"
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groups:
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- id: G1
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checks:
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- id: G1/C1
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- id: G2
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checks:
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- id: G2/C1
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text: "Verify that the SomeSampleFlag argument is set to true"
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audit: "grep -B1 SomeSampleFlag=true /this/is/a/file/path"
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tests:
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test_items:
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- flag: "SomeSampleFlag=true"
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compare:
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op: has
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value: "true"
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set: true
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remediation: |
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Edit the config file /this/is/a/file/path and set SomeSampleFlag to true.
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scored: true
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`)
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// and
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controls, err := NewControls(MASTER, in)
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assert.NoError(t, err)
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// and
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runner.On("Run", controls.Groups[0].Checks[0]).Return(PASS)
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runner.On("Run", controls.Groups[1].Checks[0]).Return(FAIL)
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// and
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var runAll Predicate = func(group *Group, c *Check) bool {
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return true
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}
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// when
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controls.RunChecks(runner, runAll)
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// then
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assert.Equal(t, 2, len(controls.Groups))
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// and
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G1 := controls.Groups[0]
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assert.Equal(t, "G1", G1.ID)
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assert.Equal(t, "G1/C1", G1.Checks[0].ID)
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assertEqualGroupSummary(t, 1, 0, 0, 0, G1)
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// and
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G2 := controls.Groups[1]
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assert.Equal(t, "G2", G2.ID)
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assert.Equal(t, "G2/C1", G2.Checks[0].ID)
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assert.Equal(t, "has", G2.Checks[0].Tests.TestItems[0].Compare.Op)
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assert.Equal(t, "true", G2.Checks[0].Tests.TestItems[0].Compare.Value)
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assert.Equal(t, true, G2.Checks[0].Tests.TestItems[0].Set)
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assert.Equal(t, "SomeSampleFlag=true", G2.Checks[0].Tests.TestItems[0].Flag)
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assert.Equal(t, "Edit the config file /this/is/a/file/path and set SomeSampleFlag to true.\n", G2.Checks[0].Remediation)
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assert.Equal(t, true, G2.Checks[0].Scored)
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assertEqualGroupSummary(t, 0, 1, 0, 0, G2)
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// and
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assert.Equal(t, 1, controls.Summary.Pass)
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assert.Equal(t, 1, controls.Summary.Fail)
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assert.Equal(t, 0, controls.Summary.Info)
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assert.Equal(t, 0, controls.Summary.Warn)
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// and
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runner.AssertExpectations(t)
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})
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}
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func TestControls_JUnitIncludesJSON(t *testing.T) {
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testCases := []struct {
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desc string
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input *Controls
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expect []byte
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}{
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{
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desc: "Serializes to junit",
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input: &Controls{
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Groups: []*Group{
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{
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ID: "g1",
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Checks: []*Check{
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{ID: "check1id", Text: "check1text", State: PASS},
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},
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},
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},
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},
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expect: []byte(`<testsuite name="" tests="0" failures="0" errors="0" time="0">
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<testcase name="check1id check1text" classname="" time="0">
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<system-out>{"test_number":"check1id","test_desc":"check1text","audit":"","AuditConfig":"","type":"","remediation":"","test_info":null,"status":"PASS","actual_value":"","scored":false,"expected_result":""}</system-out>
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</testcase>
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</testsuite>`),
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}, {
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desc: "Summary values come from summary not checks",
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input: &Controls{
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Summary: Summary{
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Fail: 99,
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Pass: 100,
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Warn: 101,
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Info: 102,
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},
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Groups: []*Group{
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{
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ID: "g1",
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Checks: []*Check{
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{ID: "check1id", Text: "check1text", State: PASS},
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},
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},
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},
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},
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expect: []byte(`<testsuite name="" tests="402" failures="99" errors="0" time="0">
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<testcase name="check1id check1text" classname="" time="0">
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<system-out>{"test_number":"check1id","test_desc":"check1text","audit":"","AuditConfig":"","type":"","remediation":"","test_info":null,"status":"PASS","actual_value":"","scored":false,"expected_result":""}</system-out>
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</testcase>
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</testsuite>`),
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}, {
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desc: "Warn and Info are considered skips and failed tests properly reported",
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input: &Controls{
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Groups: []*Group{
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{
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ID: "g1",
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Checks: []*Check{
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{ID: "check1id", Text: "check1text", State: PASS},
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{ID: "check2id", Text: "check2text", State: INFO},
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{ID: "check3id", Text: "check3text", State: WARN},
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{ID: "check4id", Text: "check4text", State: FAIL},
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},
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},
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},
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},
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expect: []byte(`<testsuite name="" tests="0" failures="0" errors="0" time="0">
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<testcase name="check1id check1text" classname="" time="0">
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<system-out>{"test_number":"check1id","test_desc":"check1text","audit":"","AuditConfig":"","type":"","remediation":"","test_info":null,"status":"PASS","actual_value":"","scored":false,"expected_result":""}</system-out>
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</testcase>
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<testcase name="check2id check2text" classname="" time="0">
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<skipped></skipped>
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<system-out>{"test_number":"check2id","test_desc":"check2text","audit":"","AuditConfig":"","type":"","remediation":"","test_info":null,"status":"INFO","actual_value":"","scored":false,"expected_result":""}</system-out>
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</testcase>
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<testcase name="check3id check3text" classname="" time="0">
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<skipped></skipped>
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<system-out>{"test_number":"check3id","test_desc":"check3text","audit":"","AuditConfig":"","type":"","remediation":"","test_info":null,"status":"WARN","actual_value":"","scored":false,"expected_result":""}</system-out>
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</testcase>
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<testcase name="check4id check4text" classname="" time="0">
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<failure type=""></failure>
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<system-out>{"test_number":"check4id","test_desc":"check4text","audit":"","AuditConfig":"","type":"","remediation":"","test_info":null,"status":"FAIL","actual_value":"","scored":false,"expected_result":""}</system-out>
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</testcase>
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</testsuite>`),
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},
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}
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for _, tc := range testCases {
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t.Run(tc.desc, func(t *testing.T) {
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junitBytes, err := tc.input.JUnit()
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if err != nil {
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t.Fatalf("Failed to serialize to JUnit: %v", err)
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}
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var out reporters.JUnitTestSuite
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if err := xml.Unmarshal(junitBytes, &out); err != nil {
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t.Fatalf("Unable to deserialize from resulting JUnit: %v", err)
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}
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// Check that each check was serialized as json and stored as systemOut.
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for iGroup, group := range tc.input.Groups {
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for iCheck, check := range group.Checks {
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jsonBytes, err := json.Marshal(check)
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if err != nil {
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t.Fatalf("Failed to serialize to JUnit: %v", err)
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}
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if out.TestCases[iGroup*iCheck+iCheck].SystemOut != string(jsonBytes) {
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t.Errorf("Expected\n\t%v\n\tbut got\n\t%v",
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out.TestCases[iGroup*iCheck+iCheck].SystemOut,
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string(jsonBytes),
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)
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}
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}
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}
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if !bytes.Equal(junitBytes, tc.expect) {
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t.Errorf("Expected\n\t%v\n\tbut got\n\t%v",
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string(tc.expect),
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string(junitBytes),
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)
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}
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})
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}
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}
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func assertEqualGroupSummary(t *testing.T, pass, fail, info, warn int, actual *Group) {
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t.Helper()
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assert.Equal(t, pass, actual.Pass)
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assert.Equal(t, fail, actual.Fail)
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assert.Equal(t, info, actual.Info)
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assert.Equal(t, warn, actual.Warn)
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}
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