dozzle/web/routes_logs_test.go

package web

import (
	"errors"
	"io"
	"time"

	"net/http"
	"net/http/httptest"
	"strings"
	"testing"

	"github.com/amir20/dozzle/docker"
	"github.com/beme/abide"
	"github.com/stretchr/testify/mock"
	"github.com/stretchr/testify/require"
)

func Test_handler_streamLogs_happy(t *testing.T) {
	id := "123456"
	req, err := http.NewRequest("GET", "/api/logs/stream/localhost/"+id, nil)
	q := req.URL.Query()
	q.Add("stdout", "true")
	q.Add("stderr", "true")

	req.URL.RawQuery = q.Encode()
	require.NoError(t, err, "NewRequest should not return an error.")

	mockedClient := new(MockedClient)
	reader := io.NopCloser(strings.NewReader("OUTINFO Testing logs..."))
	mockedClient.On("FindContainer", id).Return(docker.Container{ID: id}, nil)
	mockedClient.On("ContainerLogs", mock.Anything, mock.Anything, "", docker.STDALL).Return(reader, nil)

	handler := createDefaultHandler(mockedClient)
	rr := httptest.NewRecorder()
	handler.ServeHTTP(rr, req)
	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
	mockedClient.AssertExpectations(t)
}

func Test_handler_streamLogs_happy_with_id(t *testing.T) {
	id := "123456"
	req, err := http.NewRequest("GET", "/api/logs/stream/localhost/"+id, nil)
	q := req.URL.Query()
	q.Add("stdout", "true")
	q.Add("stderr", "true")

	req.URL.RawQuery = q.Encode()
	require.NoError(t, err, "NewRequest should not return an error.")

	mockedClient := new(MockedClient)
	reader := io.NopCloser(strings.NewReader("OUT2020-05-13T18:55:37.772853839Z INFO Testing logs..."))
	mockedClient.On("FindContainer", id).Return(docker.Container{ID: id}, nil)
	mockedClient.On("ContainerLogs", mock.Anything, mock.Anything, "", docker.STDALL).Return(reader, nil)

	handler := createDefaultHandler(mockedClient)
	rr := httptest.NewRecorder()
	handler.ServeHTTP(rr, req)
	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
	mockedClient.AssertExpectations(t)
}

func Test_handler_streamLogs_happy_container_stopped(t *testing.T) {
	id := "123456"
	req, err := http.NewRequest("GET", "/api/logs/stream/localhost/"+id, nil)
	q := req.URL.Query()
	q.Add("stdout", "true")
	q.Add("stderr", "true")

	req.URL.RawQuery = q.Encode()
	require.NoError(t, err, "NewRequest should not return an error.")

	mockedClient := new(MockedClient)
	mockedClient.On("FindContainer", id).Return(docker.Container{ID: id}, nil)
	mockedClient.On("ContainerLogs", mock.Anything, id, "", docker.STDALL).Return(io.NopCloser(strings.NewReader("")), io.EOF)

	handler := createDefaultHandler(mockedClient)
	rr := httptest.NewRecorder()
	handler.ServeHTTP(rr, req)
	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
	mockedClient.AssertExpectations(t)
}

func Test_handler_streamLogs_error_finding_container(t *testing.T) {
	id := "123456"
	req, err := http.NewRequest("GET", "/api/logs/stream/localhost/"+id, nil)
	q := req.URL.Query()
	q.Add("stdout", "true")
	q.Add("stderr", "true")

	req.URL.RawQuery = q.Encode()
	require.NoError(t, err, "NewRequest should not return an error.")

	mockedClient := new(MockedClient)
	mockedClient.On("FindContainer", id).Return(docker.Container{}, errors.New("error finding container"))

	handler := createDefaultHandler(mockedClient)
	rr := httptest.NewRecorder()
	handler.ServeHTTP(rr, req)
	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
	mockedClient.AssertExpectations(t)
}

func Test_handler_streamLogs_error_reading(t *testing.T) {
	id := "123456"
	req, err := http.NewRequest("GET", "/api/logs/stream/localhost/"+id, nil)
	q := req.URL.Query()
	q.Add("stdout", "true")
	q.Add("stderr", "true")

	req.URL.RawQuery = q.Encode()
	require.NoError(t, err, "NewRequest should not return an error.")

	mockedClient := new(MockedClient)
	mockedClient.On("FindContainer", id).Return(docker.Container{ID: id}, nil)
	mockedClient.On("ContainerLogs", mock.Anything, id, "", docker.STDALL).Return(io.NopCloser(strings.NewReader("")), errors.New("test error"))

	handler := createDefaultHandler(mockedClient)
	rr := httptest.NewRecorder()
	handler.ServeHTTP(rr, req)
	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
	mockedClient.AssertExpectations(t)
}

func Test_handler_streamLogs_error_std(t *testing.T) {
	id := "123456"
	req, err := http.NewRequest("GET", "/api/logs/stream/localhost/"+id, nil)

	require.NoError(t, err, "NewRequest should not return an error.")

	mockedClient := new(MockedClient)

	handler := createDefaultHandler(mockedClient)
	rr := httptest.NewRecorder()
	handler.ServeHTTP(rr, req)
	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
	mockedClient.AssertExpectations(t)
}

// for /api/logs
func Test_handler_between_dates(t *testing.T) {
	req, err := http.NewRequest("GET", "/api/logs/localhost/123456", nil)
	require.NoError(t, err, "NewRequest should not return an error.")

	from, _ := time.Parse(time.RFC3339, "2018-01-01T00:00:00Z")
	to, _ := time.Parse(time.RFC3339, "2018-01-01T010:00:00Z")

	q := req.URL.Query()
	q.Add("from", from.Format(time.RFC3339))
	q.Add("to", to.Format(time.RFC3339))
	q.Add("stdout", "true")
	q.Add("stderr", "true")

	req.URL.RawQuery = q.Encode()

	mockedClient := new(MockedClient)
	reader := io.NopCloser(strings.NewReader("OUT2020-05-13T18:55:37.772853839Z INFO Testing logs...\nERR2020-05-13T18:55:37.772853839Z INFO Testing logs...\n"))
	mockedClient.On("ContainerLogsBetweenDates", mock.Anything, "123456", from, to, docker.STDALL).Return(reader, nil)

	handler := createDefaultHandler(mockedClient)
	rr := httptest.NewRecorder()
	handler.ServeHTTP(rr, req)
	abide.AssertHTTPResponse(t, t.Name(), rr.Result())
	mockedClient.AssertExpectations(t)
}