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package docker
import (
"context"
"errors"
"io"
"net/http"
"net/url"
"reflect"
"testing"
"time"
)
func TestStartContainer(t *testing.T) {
t.Parallel()
fakeRT := &FakeRoundTripper{message: "", status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2"
err := client.StartContainer(id, &HostConfig{})
if err != nil {
t.Fatal(err)
}
req := fakeRT.requests[0]
if req.Method != http.MethodPost {
t.Errorf("StartContainer(%q): wrong HTTP method. Want %q. Got %q.", id, http.MethodPost, req.Method)
}
expectedURL, _ := url.Parse(client.getURL("/containers/" + id + "/start"))
if gotPath := req.URL.Path; gotPath != expectedURL.Path {
t.Errorf("StartContainer(%q): Wrong path in request. Want %q. Got %q.", id, expectedURL.Path, gotPath)
}
expectedContentType := "application/json"
if contentType := req.Header.Get("Content-Type"); contentType != expectedContentType {
t.Errorf("StartContainer(%q): Wrong content-type in request. Want %q. Got %q.", id, expectedContentType, contentType)
}
}
func TestStartContainerHostConfigAPI124(t *testing.T) {
t.Parallel()
fakeRT := &FakeRoundTripper{message: "", status: http.StatusOK}
client := newTestClient(fakeRT)
client.serverAPIVersion = apiVersion124
id := "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2"
err := client.StartContainer(id, &HostConfig{})
if err != nil {
t.Fatal(err)
}
req := fakeRT.requests[0]
if req.Method != http.MethodPost {
t.Errorf("StartContainer(%q): wrong HTTP method. Want %q. Got %q.", id, http.MethodPost, req.Method)
}
expectedURL, _ := url.Parse(client.getURL("/containers/" + id + "/start"))
if gotPath := req.URL.Path; gotPath != expectedURL.Path {
t.Errorf("StartContainer(%q): Wrong path in request. Want %q. Got %q.", id, expectedURL.Path, gotPath)
}
notAcceptedContentType := "application/json"
if contentType := req.Header.Get("Content-Type"); contentType == notAcceptedContentType {
t.Errorf("StartContainer(%q): Unepected %q Content-Type in request.", id, contentType)
}
if req.Body != nil {
data, _ := io.ReadAll(req.Body)
t.Errorf("StartContainer(%q): Unexpected data sent: %s", id, data)
}
}
func TestStartContainerNilHostConfig(t *testing.T) {
t.Parallel()
fakeRT := &FakeRoundTripper{message: "", status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2"
err := client.StartContainer(id, nil)
if err != nil {
t.Fatal(err)
}
req := fakeRT.requests[0]
if req.Method != http.MethodPost {
t.Errorf("StartContainer(%q): wrong HTTP method. Want %q. Got %q.", id, http.MethodPost, req.Method)
}
expectedURL, _ := url.Parse(client.getURL("/containers/" + id + "/start"))
if gotPath := req.URL.Path; gotPath != expectedURL.Path {
t.Errorf("StartContainer(%q): Wrong path in request. Want %q. Got %q.", id, expectedURL.Path, gotPath)
}
expectedContentType := "application/json"
if contentType := req.Header.Get("Content-Type"); contentType != expectedContentType {
t.Errorf("StartContainer(%q): Wrong content-type in request. Want %q. Got %q.", id, expectedContentType, contentType)
}
var buf [4]byte
req.Body.Read(buf[:])
if string(buf[:]) != "null" {
t.Errorf("Startcontainer(%q): Wrong body. Want null. Got %s", id, buf[:])
}
}
func TestStartContainerWithContext(t *testing.T) {
t.Parallel()
fakeRT := &FakeRoundTripper{message: "", status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2"
ctx, cancel := context.WithTimeout(context.TODO(), 1*time.Second)
defer cancel()
startError := make(chan error)
go func() {
startError <- client.StartContainerWithContext(id, &HostConfig{}, ctx)
}()
select {
case err := <-startError:
if err != nil {
t.Fatal(err)
}
req := fakeRT.requests[0]
if req.Method != http.MethodPost {
t.Errorf("StartContainer(%q): wrong HTTP method. Want %q. Got %q.", id, http.MethodPost, req.Method)
}
expectedURL, _ := url.Parse(client.getURL("/containers/" + id + "/start"))
if gotPath := req.URL.Path; gotPath != expectedURL.Path {
t.Errorf("StartContainer(%q): Wrong path in request. Want %q. Got %q.", id, expectedURL.Path, gotPath)
}
expectedContentType := "application/json"
if contentType := req.Header.Get("Content-Type"); contentType != expectedContentType {
t.Errorf("StartContainer(%q): Wrong content-type in request. Want %q. Got %q.", id, expectedContentType, contentType)
}
case <-ctx.Done():
// Context was canceled unexpectedly. Report the same.
t.Fatalf("Context canceled when waiting for start container response: %v", ctx.Err())
}
}
func TestStartContainerNotFound(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: "no such container", status: http.StatusNotFound})
err := client.StartContainer("a2344", &HostConfig{})
expectNoSuchContainer(t, "a2344", err)
}
func TestStartContainerAlreadyRunning(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: "container already running", status: http.StatusNotModified})
err := client.StartContainer("a2334", &HostConfig{})
expected := &ContainerAlreadyRunning{ID: "a2334"}
if !reflect.DeepEqual(err, expected) {
t.Errorf("StartContainer: Wrong error returned. Want %#v. Got %#v.", expected, err)
}
}
func TestStartContainerWhenContextTimesOut(t *testing.T) {
t.Parallel()
rt := sleepyRoudTripper{sleepDuration: 200 * time.Millisecond}
client := newTestClient(&rt)
ctx, cancel := context.WithTimeout(context.TODO(), 100*time.Millisecond)
defer cancel()
err := client.StartContainerWithContext("id", nil, ctx)
if !errors.Is(err, context.DeadlineExceeded) {
t.Errorf("Expected 'DeadlineExceededError', got: %v", err)
}
}
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