405 lines
12 KiB
Go
405 lines
12 KiB
Go
package integration
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"os/exec"
|
|
"testing"
|
|
|
|
"io/ioutil"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/go-check/check"
|
|
)
|
|
|
|
const dockerBinary = "docker"
|
|
|
|
// Setup go-check for this test
|
|
func Test(t *testing.T) {
|
|
check.TestingT(t)
|
|
}
|
|
|
|
func init() {
|
|
check.Suite(&DockerCmdSuite{})
|
|
}
|
|
|
|
type DockerCmdSuite struct{}
|
|
|
|
// Fake the exec.Command to use our mock.
|
|
func (s *DockerCmdSuite) SetUpTest(c *check.C) {
|
|
execCommand = fakeExecCommand
|
|
}
|
|
|
|
// And bring it back to normal after the test.
|
|
func (s *DockerCmdSuite) TearDownTest(c *check.C) {
|
|
execCommand = exec.Command
|
|
}
|
|
|
|
// DockerCmdWithError tests
|
|
|
|
func (s *DockerCmdSuite) TestDockerCmdWithError(c *check.C) {
|
|
cmds := []struct {
|
|
binary string
|
|
args []string
|
|
expectedOut string
|
|
expectedExitCode int
|
|
expectedError error
|
|
}{
|
|
{
|
|
"doesnotexists",
|
|
[]string{},
|
|
"Command doesnotexists not found.",
|
|
1,
|
|
fmt.Errorf("exit status 1"),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"an", "error"},
|
|
"an error has occurred",
|
|
1,
|
|
fmt.Errorf("exit status 1"),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"an", "exitCode", "127"},
|
|
"an error has occurred with exitCode 127",
|
|
127,
|
|
fmt.Errorf("exit status 127"),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"run", "-ti", "ubuntu", "echo", "hello"},
|
|
"hello",
|
|
0,
|
|
nil,
|
|
},
|
|
}
|
|
for _, cmd := range cmds {
|
|
out, exitCode, error := DockerCmdWithError(cmd.binary, cmd.args...)
|
|
c.Assert(out, check.Equals, cmd.expectedOut, check.Commentf("Expected output %q for arguments %v, got %q", cmd.expectedOut, cmd.args, out))
|
|
c.Assert(exitCode, check.Equals, cmd.expectedExitCode, check.Commentf("Expected exitCode %q for arguments %v, got %q", cmd.expectedExitCode, cmd.args, exitCode))
|
|
if cmd.expectedError != nil {
|
|
c.Assert(error, check.NotNil, check.Commentf("Expected an error %q, got nothing", cmd.expectedError))
|
|
c.Assert(error.Error(), check.Equals, cmd.expectedError.Error(), check.Commentf("Expected error %q for arguments %v, got %q", cmd.expectedError.Error(), cmd.args, error.Error()))
|
|
} else {
|
|
c.Assert(error, check.IsNil, check.Commentf("Expected no error, got %v", error))
|
|
}
|
|
}
|
|
}
|
|
|
|
// DockerCmdWithStdoutStderr tests
|
|
|
|
type dockerCmdWithStdoutStderrErrorSuite struct{}
|
|
|
|
func (s *dockerCmdWithStdoutStderrErrorSuite) Test(c *check.C) {
|
|
// Should fail, the test too
|
|
DockerCmdWithStdoutStderr(dockerBinary, c, "an", "error")
|
|
}
|
|
|
|
type dockerCmdWithStdoutStderrSuccessSuite struct{}
|
|
|
|
func (s *dockerCmdWithStdoutStderrSuccessSuite) Test(c *check.C) {
|
|
stdout, stderr, exitCode := DockerCmdWithStdoutStderr(dockerBinary, c, "run", "-ti", "ubuntu", "echo", "hello")
|
|
c.Assert(stdout, check.Equals, "hello")
|
|
c.Assert(stderr, check.Equals, "")
|
|
c.Assert(exitCode, check.Equals, 0)
|
|
|
|
}
|
|
|
|
func (s *DockerCmdSuite) TestDockerCmdWithStdoutStderrError(c *check.C) {
|
|
// Run error suite, should fail.
|
|
output := String{}
|
|
result := check.Run(&dockerCmdWithStdoutStderrErrorSuite{}, &check.RunConf{Output: &output})
|
|
c.Check(result.Succeeded, check.Equals, 0)
|
|
c.Check(result.Failed, check.Equals, 1)
|
|
}
|
|
|
|
func (s *DockerCmdSuite) TestDockerCmdWithStdoutStderrSuccess(c *check.C) {
|
|
// Run error suite, should fail.
|
|
output := String{}
|
|
result := check.Run(&dockerCmdWithStdoutStderrSuccessSuite{}, &check.RunConf{Output: &output})
|
|
c.Check(result.Succeeded, check.Equals, 1)
|
|
c.Check(result.Failed, check.Equals, 0)
|
|
}
|
|
|
|
// DockerCmd tests
|
|
|
|
type dockerCmdErrorSuite struct{}
|
|
|
|
func (s *dockerCmdErrorSuite) Test(c *check.C) {
|
|
// Should fail, the test too
|
|
DockerCmd(dockerBinary, c, "an", "error")
|
|
}
|
|
|
|
type dockerCmdSuccessSuite struct{}
|
|
|
|
func (s *dockerCmdSuccessSuite) Test(c *check.C) {
|
|
stdout, exitCode := DockerCmd(dockerBinary, c, "run", "-ti", "ubuntu", "echo", "hello")
|
|
c.Assert(stdout, check.Equals, "hello")
|
|
c.Assert(exitCode, check.Equals, 0)
|
|
|
|
}
|
|
|
|
func (s *DockerCmdSuite) TestDockerCmdError(c *check.C) {
|
|
// Run error suite, should fail.
|
|
output := String{}
|
|
result := check.Run(&dockerCmdErrorSuite{}, &check.RunConf{Output: &output})
|
|
c.Check(result.Succeeded, check.Equals, 0)
|
|
c.Check(result.Failed, check.Equals, 1)
|
|
}
|
|
|
|
func (s *DockerCmdSuite) TestDockerCmdSuccess(c *check.C) {
|
|
// Run error suite, should fail.
|
|
output := String{}
|
|
result := check.Run(&dockerCmdSuccessSuite{}, &check.RunConf{Output: &output})
|
|
c.Check(result.Succeeded, check.Equals, 1)
|
|
c.Check(result.Failed, check.Equals, 0)
|
|
}
|
|
|
|
// DockerCmdWithTimeout tests
|
|
|
|
func (s *DockerCmdSuite) TestDockerCmdWithTimeout(c *check.C) {
|
|
cmds := []struct {
|
|
binary string
|
|
args []string
|
|
timeout time.Duration
|
|
expectedOut string
|
|
expectedExitCode int
|
|
expectedError error
|
|
}{
|
|
{
|
|
"doesnotexists",
|
|
[]string{},
|
|
200 * time.Millisecond,
|
|
`Command doesnotexists not found.`,
|
|
1,
|
|
fmt.Errorf(`"" failed with errors: exit status 1 : "Command doesnotexists not found."`),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"an", "error"},
|
|
200 * time.Millisecond,
|
|
`an error has occurred`,
|
|
1,
|
|
fmt.Errorf(`"an error" failed with errors: exit status 1 : "an error has occurred"`),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"a", "command", "that", "times", "out"},
|
|
5 * time.Millisecond,
|
|
"",
|
|
0,
|
|
fmt.Errorf(`"a command that times out" failed with errors: command timed out : ""`),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"run", "-ti", "ubuntu", "echo", "hello"},
|
|
200 * time.Millisecond,
|
|
"hello",
|
|
0,
|
|
nil,
|
|
},
|
|
}
|
|
for _, cmd := range cmds {
|
|
out, exitCode, error := DockerCmdWithTimeout(cmd.binary, cmd.timeout, cmd.args...)
|
|
c.Assert(out, check.Equals, cmd.expectedOut, check.Commentf("Expected output %q for arguments %v, got %q", cmd.expectedOut, cmd.args, out))
|
|
c.Assert(exitCode, check.Equals, cmd.expectedExitCode, check.Commentf("Expected exitCode %q for arguments %v, got %q", cmd.expectedExitCode, cmd.args, exitCode))
|
|
if cmd.expectedError != nil {
|
|
c.Assert(error, check.NotNil, check.Commentf("Expected an error %q, got nothing", cmd.expectedError))
|
|
c.Assert(error.Error(), check.Equals, cmd.expectedError.Error(), check.Commentf("Expected error %q for arguments %v, got %q", cmd.expectedError.Error(), cmd.args, error.Error()))
|
|
} else {
|
|
c.Assert(error, check.IsNil, check.Commentf("Expected no error, got %v", error))
|
|
}
|
|
}
|
|
}
|
|
|
|
// DockerCmdInDir tests
|
|
|
|
func (s *DockerCmdSuite) TestDockerCmdInDir(c *check.C) {
|
|
tempFolder, err := ioutil.TempDir("", "test-docker-cmd-in-dir")
|
|
c.Assert(err, check.IsNil)
|
|
|
|
cmds := []struct {
|
|
binary string
|
|
args []string
|
|
expectedOut string
|
|
expectedExitCode int
|
|
expectedError error
|
|
}{
|
|
{
|
|
"doesnotexists",
|
|
[]string{},
|
|
`Command doesnotexists not found.`,
|
|
1,
|
|
fmt.Errorf(`"dir:%s" failed with errors: exit status 1 : "Command doesnotexists not found."`, tempFolder),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"an", "error"},
|
|
`an error has occurred`,
|
|
1,
|
|
fmt.Errorf(`"dir:%s an error" failed with errors: exit status 1 : "an error has occurred"`, tempFolder),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"run", "-ti", "ubuntu", "echo", "hello"},
|
|
"hello",
|
|
0,
|
|
nil,
|
|
},
|
|
}
|
|
for _, cmd := range cmds {
|
|
// We prepend the arguments with dir:thefolder.. the fake command will check
|
|
// that the current workdir is the same as the one we are passing.
|
|
args := append([]string{"dir:" + tempFolder}, cmd.args...)
|
|
out, exitCode, error := DockerCmdInDir(cmd.binary, tempFolder, args...)
|
|
c.Assert(out, check.Equals, cmd.expectedOut, check.Commentf("Expected output %q for arguments %v, got %q", cmd.expectedOut, cmd.args, out))
|
|
c.Assert(exitCode, check.Equals, cmd.expectedExitCode, check.Commentf("Expected exitCode %q for arguments %v, got %q", cmd.expectedExitCode, cmd.args, exitCode))
|
|
if cmd.expectedError != nil {
|
|
c.Assert(error, check.NotNil, check.Commentf("Expected an error %q, got nothing", cmd.expectedError))
|
|
c.Assert(error.Error(), check.Equals, cmd.expectedError.Error(), check.Commentf("Expected error %q for arguments %v, got %q", cmd.expectedError.Error(), cmd.args, error.Error()))
|
|
} else {
|
|
c.Assert(error, check.IsNil, check.Commentf("Expected no error, got %v", error))
|
|
}
|
|
}
|
|
}
|
|
|
|
// DockerCmdInDirWithTimeout tests
|
|
|
|
func (s *DockerCmdSuite) TestDockerCmdInDirWithTimeout(c *check.C) {
|
|
tempFolder, err := ioutil.TempDir("", "test-docker-cmd-in-dir")
|
|
c.Assert(err, check.IsNil)
|
|
|
|
cmds := []struct {
|
|
binary string
|
|
args []string
|
|
timeout time.Duration
|
|
expectedOut string
|
|
expectedExitCode int
|
|
expectedError error
|
|
}{
|
|
{
|
|
"doesnotexists",
|
|
[]string{},
|
|
200 * time.Millisecond,
|
|
`Command doesnotexists not found.`,
|
|
1,
|
|
fmt.Errorf(`"dir:%s" failed with errors: exit status 1 : "Command doesnotexists not found."`, tempFolder),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"an", "error"},
|
|
200 * time.Millisecond,
|
|
`an error has occurred`,
|
|
1,
|
|
fmt.Errorf(`"dir:%s an error" failed with errors: exit status 1 : "an error has occurred"`, tempFolder),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"a", "command", "that", "times", "out"},
|
|
5 * time.Millisecond,
|
|
"",
|
|
0,
|
|
fmt.Errorf(`"dir:%s a command that times out" failed with errors: command timed out : ""`, tempFolder),
|
|
},
|
|
{
|
|
dockerBinary,
|
|
[]string{"run", "-ti", "ubuntu", "echo", "hello"},
|
|
200 * time.Millisecond,
|
|
"hello",
|
|
0,
|
|
nil,
|
|
},
|
|
}
|
|
for _, cmd := range cmds {
|
|
// We prepend the arguments with dir:thefolder.. the fake command will check
|
|
// that the current workdir is the same as the one we are passing.
|
|
args := append([]string{"dir:" + tempFolder}, cmd.args...)
|
|
out, exitCode, error := DockerCmdInDirWithTimeout(cmd.binary, cmd.timeout, tempFolder, args...)
|
|
c.Assert(out, check.Equals, cmd.expectedOut, check.Commentf("Expected output %q for arguments %v, got %q", cmd.expectedOut, cmd.args, out))
|
|
c.Assert(exitCode, check.Equals, cmd.expectedExitCode, check.Commentf("Expected exitCode %q for arguments %v, got %q", cmd.expectedExitCode, cmd.args, exitCode))
|
|
if cmd.expectedError != nil {
|
|
c.Assert(error, check.NotNil, check.Commentf("Expected an error %q, got nothing", cmd.expectedError))
|
|
c.Assert(error.Error(), check.Equals, cmd.expectedError.Error(), check.Commentf("Expected error %q for arguments %v, got %q", cmd.expectedError.Error(), cmd.args, error.Error()))
|
|
} else {
|
|
c.Assert(error, check.IsNil, check.Commentf("Expected no error, got %v", error))
|
|
}
|
|
}
|
|
}
|
|
|
|
// Helpers :)
|
|
|
|
// Type implementing the io.Writer interface for analyzing output.
|
|
type String struct {
|
|
value string
|
|
}
|
|
|
|
// The only function required by the io.Writer interface. Will append
|
|
// written data to the String.value string.
|
|
func (s *String) Write(p []byte) (n int, err error) {
|
|
s.value += string(p)
|
|
return len(p), nil
|
|
}
|
|
|
|
// Helper function that mock the exec.Command call (and call the test binary)
|
|
func fakeExecCommand(command string, args ...string) *exec.Cmd {
|
|
cs := []string{"-test.run=TestHelperProcess", "--", command}
|
|
cs = append(cs, args...)
|
|
cmd := exec.Command(os.Args[0], cs...)
|
|
cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1"}
|
|
return cmd
|
|
}
|
|
|
|
func TestHelperProcess(t *testing.T) {
|
|
if os.Getenv("GO_WANT_HELPER_PROCESS") != "1" {
|
|
return
|
|
}
|
|
args := os.Args
|
|
|
|
// Previous arguments are tests stuff, that looks like :
|
|
// /tmp/go-build970079519/…/_test/integration.test -test.run=TestHelperProcess --
|
|
cmd, args := args[3], args[4:]
|
|
// Handle the case where args[0] is dir:...
|
|
if len(args) > 0 && strings.HasPrefix(args[0], "dir:") {
|
|
expectedCwd := args[0][4:]
|
|
if len(args) > 1 {
|
|
args = args[1:]
|
|
}
|
|
cwd, err := os.Getwd()
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "Failed to get workingdir: %v", err)
|
|
os.Exit(1)
|
|
}
|
|
// This checks that the given path is the same as the currend working dire
|
|
if expectedCwd != cwd {
|
|
fmt.Fprintf(os.Stderr, "Current workdir should be %q, but is %q", expectedCwd, cwd)
|
|
}
|
|
}
|
|
switch cmd {
|
|
case dockerBinary:
|
|
argsStr := strings.Join(args, " ")
|
|
switch argsStr {
|
|
case "an exitCode 127":
|
|
fmt.Fprintf(os.Stderr, "an error has occurred with exitCode 127")
|
|
os.Exit(127)
|
|
case "an error":
|
|
fmt.Fprintf(os.Stderr, "an error has occurred")
|
|
os.Exit(1)
|
|
case "a command that times out":
|
|
time.Sleep(10 * time.Millisecond)
|
|
fmt.Fprintf(os.Stdout, "too long, should be killed")
|
|
// A random exit code (that should never happened in tests)
|
|
os.Exit(7)
|
|
case "run -ti ubuntu echo hello":
|
|
fmt.Fprintf(os.Stdout, "hello")
|
|
default:
|
|
fmt.Fprintf(os.Stdout, "no arguments")
|
|
}
|
|
default:
|
|
fmt.Fprintf(os.Stderr, "Command %s not found.", cmd)
|
|
os.Exit(1)
|
|
}
|
|
// some code here to check arguments perhaps?
|
|
os.Exit(0)
|
|
}
|