/
command.go
133 lines (120 loc) · 4.17 KB
/
command.go
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// Copyright 2017 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 v1
import (
"fmt"
"time"
"github.com/sirupsen/logrus"
"github.com/GoogleContainerTools/container-structure-test/pkg/drivers"
types "github.com/GoogleContainerTools/container-structure-test/pkg/types/unversioned"
"github.com/GoogleContainerTools/container-structure-test/pkg/utils"
)
type CommandTest struct {
Name string `yaml:"name"`
Setup [][]string `yaml:"setup"`
Teardown [][]string `yaml:"teardown"`
EnvVars []types.EnvVar `yaml:"envVars"`
ExitCode int `yaml:"exitCode"`
Command []string `yaml:"command"`
ExpectedOutput []string `yaml:"expectedOutput"`
ExcludedOutput []string `yaml:"excludedOutput"`
ExpectedError []string `yaml:"expectedError"`
ExcludedError []string `yaml:"excludedError" ` // excluded error from running command
}
func (ct *CommandTest) Validate() error {
if ct.Name == "" {
return fmt.Errorf("Please provide a valid name for every test")
}
if ct.Command == nil || len(ct.Command) == 0 {
return fmt.Errorf("Please provide a valid command to run for test %s", ct.Name)
}
if ct.Setup != nil {
for _, c := range ct.Setup {
if len(c) == 0 {
return fmt.Errorf("Error in setup command configuration encountered; please check formatting and remove all empty setup commands")
}
}
}
if ct.Teardown != nil {
for _, c := range ct.Teardown {
if len(c) == 0 {
return fmt.Errorf("Error in teardown command configuration encountered; please check formatting and remove all empty teardown commands")
}
}
}
if ct.EnvVars != nil {
for _, envVar := range ct.EnvVars {
if envVar.Key == "" || envVar.Value == "" {
return fmt.Errorf("Please provide non-empty keys and values for all specified env vars")
}
}
}
return nil
}
func (ct *CommandTest) Run(driver drivers.Driver) *types.TestResult {
logrus.Debug(ct.LogName())
config, err := driver.GetConfig()
if err != nil {
logrus.Errorf("error retrieving image config: %s", err.Error())
}
start := time.Now()
stdout, stderr, exitcode, err := driver.ProcessCommand(ct.EnvVars, utils.SubstituteEnvVars(ct.Command, config.Env))
end := time.Now()
duration := end.Sub(start)
result := &types.TestResult{
Name: ct.LogName(),
Pass: true,
Errors: make([]string, 0),
Stderr: stderr,
Stdout: stdout,
Duration: duration,
}
if err != nil {
result.Fail()
result.Error(err.Error())
return result
}
ct.CheckOutput(result, stdout, stderr, exitcode)
return result
}
func (ct *CommandTest) LogName() string {
return fmt.Sprintf("Command Test: %s", ct.Name)
}
func (ct *CommandTest) CheckOutput(result *types.TestResult, stdout string, stderr string, exitCode int) {
for _, errStr := range ct.ExpectedError {
if !utils.CompileAndRunRegex(errStr, stderr, true) {
result.Errorf("Expected string '%s' not found in error", errStr)
result.Fail()
}
}
for _, errStr := range ct.ExcludedError {
if !utils.CompileAndRunRegex(errStr, stderr, false) {
result.Errorf("Excluded string '%s' found in error", errStr)
result.Fail()
}
}
for _, outStr := range ct.ExpectedOutput {
if !utils.CompileAndRunRegex(outStr, stdout, true) {
result.Errorf("Expected string '%s' not found in output", outStr)
result.Fail()
}
}
for _, outStr := range ct.ExcludedOutput {
if !utils.CompileAndRunRegex(outStr, stdout, false) {
result.Errorf("Excluded string '%s' found in output", outStr)
result.Fail()
}
}
if ct.ExitCode != exitCode {
result.Errorf("Test '%s' exited with incorrect error code. Expected: %d, Actual: %d", ct.Name, ct.ExitCode, exitCode)
result.Fail()
}
}