mirror of
https://github.com/amir20/dozzle.git
synced 2026-06-23 04:10:12 +00:00
Amir Raminfar
535 lines
20 KiB
Go
535 lines
20 KiB
Go
package web
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import (
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"bytes"
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"context"
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"encoding/binary"
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"errors"
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"io"
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"net/url"
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"regexp"
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"time"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"github.com/amir20/dozzle/internal/container"
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support_web "github.com/amir20/dozzle/internal/support/web"
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"github.com/beme/abide"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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)
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func addAllLogLevels(q url.Values) {
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q.Add("levels", "error")
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q.Add("levels", "warn")
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q.Add("levels", "info")
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q.Add("levels", "debug")
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q.Add("levels", "trace")
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q.Add("levels", "fatal")
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q.Add("levels", "unknown")
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}
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func Test_handler_streamLogs_happy(t *testing.T) {
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ctx, cancel := context.WithCancel(t.Context())
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id := "123456"
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req, err := http.NewRequestWithContext(ctx, "GET", "/api/hosts/localhost/containers/"+id+"/logs/stream", nil)
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q := req.URL.Query()
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q.Add("stdout", "true")
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q.Add("stderr", "true")
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addAllLogLevels(q)
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req.URL.RawQuery = q.Encode()
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require.NoError(t, err, "NewRequest should not return an error.")
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mockedClient := new(MockedClient)
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data := makeMessage("INFO Testing logs...\n", container.STDOUT)
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now := time.Now()
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mockedClient.On("FindContainer", mock.Anything, id).Return(container.Container{ID: id, Tty: false, Host: "localhost", StartedAt: now}, nil)
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mockedClient.On("ContainerLogs", mock.Anything, mock.Anything, now, container.STDALL).Return(io.NopCloser(bytes.NewReader(data)), nil).
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Run(func(args mock.Arguments) {
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go func() {
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time.Sleep(50 * time.Millisecond)
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cancel()
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}()
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})
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mockedClient.On("Host").Return(container.Host{
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ID: "localhost",
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})
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mockedClient.On("ListContainers", mock.Anything, mock.Anything).Return([]container.Container{
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{ID: id, Name: "test", Host: "localhost", State: "running"},
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}, nil)
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mockedClient.On("ContainerEvents", mock.Anything, mock.AnythingOfType("chan<- container.ContainerEvent")).Return(nil).Run(func(args mock.Arguments) {
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time.Sleep(50 * time.Millisecond)
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})
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handler := createDefaultHandler(mockedClient)
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rr := httptest.NewRecorder()
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handler.ServeHTTP(rr, req)
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reader := strings.NewReader(regexp.MustCompile(`"time":"[^"]*"`).ReplaceAllString(rr.Body.String(), `"time":"<removed>"`))
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abide.AssertReader(t, t.Name(), reader)
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mockedClient.AssertExpectations(t)
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}
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func Test_handler_streamLogs_happy_with_id(t *testing.T) {
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id := "123456"
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ctx, cancel := context.WithCancel(context.Background())
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req, err := http.NewRequestWithContext(ctx, "GET", "/api/hosts/localhost/containers/"+id+"/logs/stream", nil)
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q := req.URL.Query()
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q.Add("stdout", "true")
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q.Add("stderr", "true")
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addAllLogLevels(q)
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req.URL.RawQuery = q.Encode()
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require.NoError(t, err, "NewRequest should not return an error.")
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mockedClient := new(MockedClient)
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data := makeMessage("2020-05-13T18:55:37.772853839Z INFO Testing logs...\n", container.STDOUT)
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started := time.Date(2020, time.May, 13, 18, 55, 37, 772853839, time.UTC)
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mockedClient.On("FindContainer", mock.Anything, id).Return(container.Container{ID: id, Host: "localhost", StartedAt: started}, nil)
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mockedClient.On("ContainerLogs", mock.Anything, mock.Anything, started, container.STDALL).Return(io.NopCloser(bytes.NewReader(data)), nil).
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Run(func(args mock.Arguments) {
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go func() {
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time.Sleep(50 * time.Millisecond)
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cancel()
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}()
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})
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mockedClient.On("Host").Return(container.Host{
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ID: "localhost",
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})
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mockedClient.On("ListContainers", mock.Anything, mock.Anything).Return([]container.Container{
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{ID: id, Name: "test", Host: "localhost", State: "running"},
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}, nil)
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mockedClient.On("ContainerEvents", mock.Anything, mock.AnythingOfType("chan<- container.ContainerEvent")).Return(nil).Run(func(args mock.Arguments) {
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time.Sleep(50 * time.Millisecond)
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})
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handler := createDefaultHandler(mockedClient)
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rr := httptest.NewRecorder()
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handler.ServeHTTP(rr, req)
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reader := strings.NewReader(regexp.MustCompile(`"time":"[^"]*"`).ReplaceAllString(rr.Body.String(), `"time":"<removed>"`))
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abide.AssertReader(t, t.Name(), reader)
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mockedClient.AssertExpectations(t)
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}
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func Test_handler_streamLogs_happy_container_stopped(t *testing.T) {
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id := "123456"
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ctx, cancel := context.WithCancel(context.Background())
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req, err := http.NewRequestWithContext(ctx, "GET", "/api/hosts/localhost/containers/"+id+"/logs/stream", nil)
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q := req.URL.Query()
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q.Add("stdout", "true")
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q.Add("stderr", "true")
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addAllLogLevels(q)
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req.URL.RawQuery = q.Encode()
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require.NoError(t, err, "NewRequest should not return an error.")
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started := time.Date(2020, time.May, 13, 18, 55, 37, 772853839, time.UTC)
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mockedClient := new(MockedClient)
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mockedClient.On("FindContainer", mock.Anything, id).Return(container.Container{ID: id, Host: "localhost", StartedAt: started}, nil)
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mockedClient.On("ContainerLogs", mock.Anything, id, started, container.STDALL).Return(io.NopCloser(strings.NewReader("")), io.EOF).
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Run(func(args mock.Arguments) {
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go func() {
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time.Sleep(50 * time.Millisecond)
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cancel()
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}()
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})
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mockedClient.On("Host").Return(container.Host{
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ID: "localhost",
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})
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mockedClient.On("ListContainers", mock.Anything, mock.Anything).Return([]container.Container{
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{ID: id, Name: "test", Host: "localhost", State: "running"},
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}, nil)
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mockedClient.On("ContainerEvents", mock.Anything, mock.AnythingOfType("chan<- container.ContainerEvent")).Return(nil)
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handler := createDefaultHandler(mockedClient)
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rr := httptest.NewRecorder()
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handler.ServeHTTP(rr, req)
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reader := strings.NewReader(regexp.MustCompile(`"time":"[^"]*"`).ReplaceAllString(rr.Body.String(), `"time":"<removed>"`))
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abide.AssertReader(t, t.Name(), reader)
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mockedClient.AssertExpectations(t)
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}
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func Test_handler_streamLogs_search_status_exhausted(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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id := "123456"
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req, err := http.NewRequestWithContext(ctx, "GET", "/api/hosts/localhost/containers/"+id+"/logs/stream", nil)
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require.NoError(t, err, "NewRequest should not return an error.")
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q := req.URL.Query()
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q.Add("stdout", "true")
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q.Add("stderr", "true")
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q.Add("filter", "NOMATCH")
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q.Add("levels", "info")
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req.URL.RawQuery = q.Encode()
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created := time.Now().Add(-5 * time.Second)
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mockedClient := new(MockedClient)
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mockedClient.On("FindContainer", mock.Anything, id).Return(container.Container{ID: id, Host: "localhost", Created: created, StartedAt: created}, nil)
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mockedClient.On("ContainerLogsBetweenDates", mock.Anything, id, mock.Anything, mock.Anything, container.STDALL).
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Return(io.NopCloser(strings.NewReader("")), nil)
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mockedClient.On("ContainerLogs", mock.Anything, id, mock.Anything, container.STDALL).Return(io.NopCloser(strings.NewReader("")), io.EOF).
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Run(func(args mock.Arguments) {
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go func() {
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time.Sleep(100 * time.Millisecond)
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cancel()
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}()
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})
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mockedClient.On("Host").Return(container.Host{ID: "localhost"})
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mockedClient.On("ListContainers", mock.Anything, mock.Anything).Return([]container.Container{
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{ID: id, Name: "test", Host: "localhost", State: "running"},
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}, nil)
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mockedClient.On("ContainerEvents", mock.Anything, mock.AnythingOfType("chan<- container.ContainerEvent")).Return(nil)
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handler := createDefaultHandler(mockedClient)
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rr := httptest.NewRecorder()
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handler.ServeHTTP(rr, req)
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body := rr.Body.String()
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assert.Contains(t, body, "event: search-status", "should emit a search-status event")
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assert.Contains(t, body, `"done":true`, "should emit a terminal status")
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assert.Contains(t, body, `"reason":"exhausted"`, "ran out of logs, so reason is exhausted")
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}
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func Test_handler_streamLogs_search_status_on_error(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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id := "123456"
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req, err := http.NewRequestWithContext(ctx, "GET", "/api/hosts/localhost/containers/"+id+"/logs/stream", nil)
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require.NoError(t, err, "NewRequest should not return an error.")
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q := req.URL.Query()
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q.Add("stdout", "true")
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q.Add("stderr", "true")
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q.Add("filter", "needle")
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q.Add("levels", "info")
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req.URL.RawQuery = q.Encode()
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created := time.Now().Add(-1 * time.Hour)
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mockedClient := new(MockedClient)
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mockedClient.On("FindContainer", mock.Anything, id).Return(container.Container{ID: id, Host: "localhost", Created: created, StartedAt: created}, nil)
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// the backfill fetch fails partway through the walk
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mockedClient.On("ContainerLogsBetweenDates", mock.Anything, id, mock.Anything, mock.Anything, container.STDALL).
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Return(io.NopCloser(strings.NewReader("")), errors.New("boom"))
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mockedClient.On("ContainerLogs", mock.Anything, id, mock.Anything, container.STDALL).Return(io.NopCloser(strings.NewReader("")), io.EOF).
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Run(func(args mock.Arguments) {
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go func() {
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time.Sleep(100 * time.Millisecond)
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cancel()
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}()
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})
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mockedClient.On("Host").Return(container.Host{ID: "localhost"})
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mockedClient.On("ListContainers", mock.Anything, mock.Anything).Return([]container.Container{
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{ID: id, Name: "test", Host: "localhost", State: "running"},
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}, nil)
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mockedClient.On("ContainerEvents", mock.Anything, mock.AnythingOfType("chan<- container.ContainerEvent")).Return(nil)
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handler := createDefaultHandler(mockedClient)
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rr := httptest.NewRecorder()
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handler.ServeHTTP(rr, req)
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body := rr.Body.String()
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// even when the walk errors out, a terminal status must be sent so the
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// frontend stops suppressing the empty state and the spinner clears
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assert.Contains(t, body, "event: search-status", "should emit a search-status event")
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assert.Contains(t, body, `"done":true`, "must emit a terminal status even on error")
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}
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func Test_handler_streamLogs_error_reading(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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id := "123456"
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req, err := http.NewRequestWithContext(ctx, "GET", "/api/hosts/localhost/containers/"+id+"/logs/stream", nil)
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q := req.URL.Query()
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q.Add("stdout", "true")
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q.Add("stderr", "true")
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addAllLogLevels(q)
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req.URL.RawQuery = q.Encode()
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require.NoError(t, err, "NewRequest should not return an error.")
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started := time.Date(2020, time.May, 13, 18, 55, 37, 772853839, time.UTC)
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mockedClient := new(MockedClient)
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mockedClient.On("FindContainer", mock.Anything, id).Return(container.Container{ID: id, Host: "localhost", StartedAt: started}, nil)
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mockedClient.On("ContainerLogs", mock.Anything, id, started, container.STDALL).Return(io.NopCloser(strings.NewReader("")), errors.New("test error")).
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Run(func(args mock.Arguments) {
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go func() {
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time.Sleep(50 * time.Millisecond)
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cancel()
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}()
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})
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mockedClient.On("Host").Return(container.Host{
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ID: "localhost",
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})
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mockedClient.On("ListContainers", mock.Anything, mock.Anything).Return([]container.Container{
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{ID: id, Name: "test", Host: "localhost", State: "running"},
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}, nil)
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mockedClient.On("ContainerEvents", mock.Anything, mock.AnythingOfType("chan<- container.ContainerEvent")).Return(nil)
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handler := createDefaultHandler(mockedClient)
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rr := httptest.NewRecorder()
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handler.ServeHTTP(rr, req)
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reader := strings.NewReader(regexp.MustCompile(`"time":"[^"]*"`).ReplaceAllString(rr.Body.String(), `"time":"<removed>"`))
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abide.AssertReader(t, t.Name(), reader)
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mockedClient.AssertExpectations(t)
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}
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func Test_handler_streamLogs_error_std(t *testing.T) {
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id := "123456"
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req, err := http.NewRequest("GET", "/api/hosts/localhost/containers/"+id+"/logs/stream", nil)
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require.NoError(t, err, "NewRequest should not return an error.")
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mockedClient := new(MockedClient)
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mockedClient.On("FindContainer", mock.Anything, id).Return(container.Container{ID: id, Host: "localhost"}, nil)
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mockedClient.On("Host").Return(container.Host{
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ID: "localhost",
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})
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mockedClient.On("ListContainers", mock.Anything, mock.Anything).Return([]container.Container{
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{ID: id, Name: "test", Host: "localhost", State: "running"},
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}, nil)
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mockedClient.On("ContainerEvents", mock.Anything, mock.AnythingOfType("chan<- container.ContainerEvent")).Return(nil).
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Run(func(args mock.Arguments) {
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time.Sleep(50 * time.Millisecond)
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})
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handler := createDefaultHandler(mockedClient)
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rr := httptest.NewRecorder()
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handler.ServeHTTP(rr, req)
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abide.AssertHTTPResponse(t, t.Name(), rr.Result())
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}
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func Test_handler_between_dates(t *testing.T) {
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id := "123456"
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req, err := http.NewRequest("GET", "/api/hosts/localhost/containers/"+id+"/logs", nil)
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require.NoError(t, err, "NewRequest should not return an error.")
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from, _ := time.Parse(time.RFC3339, "2018-01-01T00:00:00Z")
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to, _ := time.Parse(time.RFC3339, "2018-01-01T10:00:00Z")
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q := req.URL.Query()
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q.Add("from", from.Format(time.RFC3339))
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q.Add("to", to.Format(time.RFC3339))
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q.Add("stdout", "true")
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q.Add("stderr", "true")
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q.Add("levels", "info")
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req.URL.RawQuery = q.Encode()
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mockedClient := new(MockedClient)
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first := makeMessage("2020-05-13T18:55:37.772853839Z INFO Testing stdout logs...\n", container.STDOUT)
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second := makeMessage("2020-05-13T18:56:37.772853839Z INFO Testing stderr logs...\n", container.STDERR)
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data := append(first, second...)
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mockedClient.On("ContainerLogsBetweenDates", mock.Anything, id, from, to, container.STDALL).Return(io.NopCloser(bytes.NewReader(data)), nil)
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mockedClient.On("FindContainer", mock.Anything, id).Return(container.Container{ID: id}, nil)
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mockedClient.On("Host").Return(container.Host{
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ID: "localhost",
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})
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mockedClient.On("ListContainers", mock.Anything, mock.Anything).Return([]container.Container{
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{ID: id, Name: "test", Host: "localhost", State: "running"},
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}, nil)
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mockedClient.On("ContainerEvents", mock.Anything, mock.AnythingOfType("chan<- container.ContainerEvent")).Return(nil)
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handler := createDefaultHandler(mockedClient)
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rr := httptest.NewRecorder()
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handler.ServeHTTP(rr, req)
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reader := strings.NewReader(regexp.MustCompile(`"time":"[^"]*"`).ReplaceAllString(rr.Body.String(), `"time":"<removed>"`))
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abide.AssertReader(t, t.Name(), reader)
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mockedClient.AssertExpectations(t)
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}
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func Test_handler_between_dates_with_fill(t *testing.T) {
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id := "123456"
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req, err := http.NewRequest("GET", "/api/hosts/localhost/containers/"+id+"/logs", nil)
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require.NoError(t, err, "NewRequest should not return an error.")
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from, _ := time.Parse(time.RFC3339, "2018-01-01T00:00:00Z")
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to, _ := time.Parse(time.RFC3339, "2018-01-01T10:00:00Z")
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q := req.URL.Query()
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q.Add("from", from.Format(time.RFC3339))
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q.Add("to", to.Format(time.RFC3339))
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q.Add("stdout", "true")
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q.Add("stderr", "true")
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q.Add("fill", "true")
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q.Add("levels", "info")
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q.Add("min", "10")
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req.URL.RawQuery = q.Encode()
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mockedClient := new(MockedClient)
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first := makeMessage("2020-05-13T18:55:37.772853839Z INFO Testing stdout logs...\n", container.STDOUT)
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second := makeMessage("2020-05-13T18:56:37.772853839Z INFO Testing stderr logs...\n", container.STDERR)
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data := append(first, second...)
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mockedClient.On("ContainerLogsBetweenDates", mock.Anything, id, from, to, container.STDALL).
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Return(io.NopCloser(bytes.NewReader([]byte{})), nil).
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Once()
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mockedClient.On("ContainerLogsBetweenDates", mock.Anything, id, time.Date(2017, time.December, 31, 14, 0, 0, 0, time.UTC), to, container.STDALL).
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Return(io.NopCloser(bytes.NewReader(data)), nil).
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Once()
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mockedClient.On("ContainerLogsBetweenDates", mock.Anything, id, time.Date(2017, time.December, 30, 18, 0, 0, 0, time.UTC), to, container.STDALL).
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Return(io.NopCloser(bytes.NewReader(data)), nil).
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Once()
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mockedClient.On("FindContainer", mock.Anything, id).Return(container.Container{ID: id, Created: time.Date(2017, time.December, 31, 10, 0, 0, 0, time.UTC)}, nil)
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mockedClient.On("Host").Return(container.Host{ID: "localhost"})
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mockedClient.On("ListContainers", mock.Anything, mock.Anything).Return([]container.Container{
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{ID: id, Name: "test", Host: "localhost", State: "running"},
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}, nil)
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mockedClient.On("ContainerEvents", mock.Anything, mock.AnythingOfType("chan<- container.ContainerEvent")).Return(nil)
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handler := createDefaultHandler(mockedClient)
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rr := httptest.NewRecorder()
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handler.ServeHTTP(rr, req)
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reader := strings.NewReader(regexp.MustCompile(`"time":"[^"]*"`).ReplaceAllString(rr.Body.String(), `"time":"<removed>"`))
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abide.AssertReader(t, t.Name(), reader)
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mockedClient.AssertExpectations(t)
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}
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func Test_handler_between_dates_with_everything_complex(t *testing.T) {
|
|
id := "123456"
|
|
req, err := http.NewRequest("GET", "/api/hosts/localhost/containers/"+id+"/logs", nil)
|
|
require.NoError(t, err, "NewRequest should not return an error.")
|
|
|
|
q := req.URL.Query()
|
|
q.Add("jsonOnly", "true")
|
|
q.Add("stdout", "true")
|
|
q.Add("stderr", "true")
|
|
q.Add("everything", "true")
|
|
|
|
req.URL.RawQuery = q.Encode()
|
|
|
|
mockedClient := new(MockedClient)
|
|
|
|
first := makeMessage("2020-05-13T18:55:37.772853839Z INFO Testing stdout logs...\n", container.STDOUT)
|
|
second := makeMessage("2020-05-13T18:56:37.772853839Z {\"msg\":\"a complex log message\"}\n", container.STDOUT)
|
|
data := append(first, second...)
|
|
|
|
mockedClient.On("ContainerLogsBetweenDates", mock.Anything, id, mock.Anything, mock.Anything, container.STDALL).
|
|
Return(io.NopCloser(bytes.NewReader(data)), nil).
|
|
Once()
|
|
mockedClient.On("FindContainer", mock.Anything, id).Return(container.Container{ID: id}, nil)
|
|
mockedClient.On("Host").Return(container.Host{
|
|
ID: "localhost",
|
|
})
|
|
mockedClient.On("ListContainers", mock.Anything, mock.Anything).Return([]container.Container{
|
|
{ID: id, Name: "test", Host: "localhost", State: "running"},
|
|
}, nil)
|
|
mockedClient.On("ContainerEvents", mock.Anything, mock.AnythingOfType("chan<- container.ContainerEvent")).Return(nil)
|
|
|
|
handler := createDefaultHandler(mockedClient)
|
|
rr := httptest.NewRecorder()
|
|
handler.ServeHTTP(rr, req)
|
|
reader := strings.NewReader(regexp.MustCompile(`"time":"[^"]*"`).ReplaceAllString(rr.Body.String(), `"time":"<removed>"`))
|
|
abide.AssertReader(t, t.Name(), reader)
|
|
mockedClient.AssertExpectations(t)
|
|
}
|
|
|
|
func Test_matchesFilter_inverse(t *testing.T) {
|
|
levels := map[string]struct{}{"info": {}}
|
|
|
|
regex, err := support_web.ParseRegex("INFO")
|
|
require.NoError(t, err)
|
|
|
|
regex2, err := support_web.ParseRegex("ERROR")
|
|
require.NoError(t, err)
|
|
|
|
tests := []struct {
|
|
name string
|
|
event *container.LogEvent
|
|
regex *regexp.Regexp
|
|
levels map[string]struct{}
|
|
inverse bool
|
|
want bool
|
|
}{
|
|
{
|
|
name: "normal mode: matching regex and level passes",
|
|
event: &container.LogEvent{Message: "INFO: all good", Level: "info"},
|
|
regex: regex,
|
|
levels: levels,
|
|
inverse: false,
|
|
want: true,
|
|
},
|
|
{
|
|
name: "normal mode: non-matching regex fails",
|
|
event: &container.LogEvent{Message: "INFO: all good", Level: "info"},
|
|
regex: regex2,
|
|
levels: levels,
|
|
inverse: false,
|
|
want: false,
|
|
},
|
|
{
|
|
name: "inverse mode: matching regex fails (excluded)",
|
|
event: &container.LogEvent{Message: "INFO: all good", Level: "info"},
|
|
regex: regex,
|
|
levels: levels,
|
|
inverse: true,
|
|
want: false,
|
|
},
|
|
{
|
|
name: "inverse mode: non-matching regex passes (not excluded)",
|
|
event: &container.LogEvent{Message: "INFO: all good", Level: "info"},
|
|
regex: regex2,
|
|
levels: levels,
|
|
inverse: true,
|
|
want: true,
|
|
},
|
|
{
|
|
name: "no regex: inverse is a no-op, level check still applies",
|
|
event: &container.LogEvent{Message: "INFO: all good", Level: "info"},
|
|
regex: nil,
|
|
levels: levels,
|
|
inverse: true,
|
|
want: true,
|
|
},
|
|
{
|
|
name: "inverse mode: wrong level fails regardless of regex",
|
|
event: &container.LogEvent{Message: "ERROR: oops", Level: "error"},
|
|
regex: regex2,
|
|
levels: levels,
|
|
inverse: true,
|
|
want: false,
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
got := matchesFilter(tt.event, tt.regex, tt.levels, tt.inverse)
|
|
assert.Equal(t, tt.want, got)
|
|
})
|
|
}
|
|
}
|
|
|
|
func makeMessage(message string, stream container.StdType) []byte {
|
|
data := make([]byte, 8)
|
|
binary.BigEndian.PutUint32(data[4:], uint32(len(message)))
|
|
data[0] = byte(stream / 2)
|
|
data = append(data, []byte(message)...)
|
|
|
|
return data
|
|
}
|