2016-09-06 18:46:37 +00:00
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package client
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import (
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"bytes"
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"strings"
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"testing"
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"time"
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"github.com/docker/docker/api/types"
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"golang.org/x/net/context"
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)
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func TestContainerLogsError(t *testing.T) {
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client := &Client{
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2016-09-09 03:44:25 +00:00
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client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
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2016-09-06 18:46:37 +00:00
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}
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_, err := client.ContainerLogs(context.Background(), "container_id", types.ContainerLogsOptions{})
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if err == nil || err.Error() != "Error response from daemon: Server error" {
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t.Fatalf("expected a Server Error, got %v", err)
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}
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_, err = client.ContainerLogs(context.Background(), "container_id", types.ContainerLogsOptions{
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Since: "2006-01-02TZ",
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})
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if err == nil || !strings.Contains(err.Error(), `parsing time "2006-01-02TZ"`) {
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t.Fatalf("expected a 'parsing time' error, got %v", err)
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}
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}
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func TestContainerLogs(t *testing.T) {
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expectedURL := "/containers/container_id/logs"
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cases := []struct {
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options types.ContainerLogsOptions
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expectedQueryParams map[string]string
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}{
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{
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expectedQueryParams: map[string]string{
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"tail": "",
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},
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},
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{
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options: types.ContainerLogsOptions{
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Tail: "any",
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},
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expectedQueryParams: map[string]string{
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"tail": "any",
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},
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},
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{
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options: types.ContainerLogsOptions{
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ShowStdout: true,
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ShowStderr: true,
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Timestamps: true,
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Details: true,
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Follow: true,
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},
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expectedQueryParams: map[string]string{
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"tail": "",
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"stdout": "1",
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"stderr": "1",
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"timestamps": "1",
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"details": "1",
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"follow": "1",
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},
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},
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{
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options: types.ContainerLogsOptions{
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// An complete invalid date, timestamp or go duration will be
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// passed as is
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Since: "invalid but valid",
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},
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expectedQueryParams: map[string]string{
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"tail": "",
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"since": "invalid but valid",
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},
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},
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}
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for _, logCase := range cases {
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client := &Client{
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2016-09-09 03:44:25 +00:00
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client: newMockClient(func(r *http.Request) (*http.Response, error) {
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2016-09-06 18:46:37 +00:00
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if !strings.HasPrefix(r.URL.Path, expectedURL) {
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return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, r.URL)
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}
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// Check query parameters
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query := r.URL.Query()
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for key, expected := range logCase.expectedQueryParams {
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actual := query.Get(key)
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if actual != expected {
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return nil, fmt.Errorf("%s not set in URL query properly. Expected '%s', got %s", key, expected, actual)
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}
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}
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return &http.Response{
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StatusCode: http.StatusOK,
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Body: ioutil.NopCloser(bytes.NewReader([]byte("response"))),
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}, nil
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}),
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}
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body, err := client.ContainerLogs(context.Background(), "container_id", logCase.options)
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if err != nil {
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t.Fatal(err)
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}
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defer body.Close()
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content, err := ioutil.ReadAll(body)
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if err != nil {
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t.Fatal(err)
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}
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if string(content) != "response" {
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t.Fatalf("expected response to contain 'response', got %s", string(content))
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}
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}
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}
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func ExampleClient_ContainerLogs_withTimeout() {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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client, _ := NewEnvClient()
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reader, err := client.ContainerLogs(ctx, "container_id", types.ContainerLogsOptions{})
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if err != nil {
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log.Fatal(err)
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}
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_, err = io.Copy(os.Stdout, reader)
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if err != nil && err != io.EOF {
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log.Fatal(err)
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}
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}
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