prometheus-paperless-exporter/task_test.go

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package main
import (
"context"
"errors"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"github.com/hansmi/paperhooks/pkg/client"
"github.com/hansmi/prometheus-paperless-exporter/internal/ref"
"github.com/hansmi/prometheus-paperless-exporter/internal/testutil"
)
type fakeTaskClient struct {
tasks []client.Task
listErr error
}
func (c *fakeTaskClient) ListTasks(context.Context) ([]client.Task, *client.Response, error) {
return c.tasks, nil, c.listErr
}
func TestTask(t *testing.T) {
errTest := errors.New("test error")
for _, tc := range []struct {
name string
cl fakeTaskClient
wantErr error
}{
{name: "empty"},
{
name: "listing fails",
cl: fakeTaskClient{
listErr: errTest,
},
wantErr: errTest,
},
{
name: "tasks",
cl: fakeTaskClient{
tasks: []client.Task{
{ID: 2942},
{ID: 27064},
},
},
},
} {
t.Run(tc.name, func(t *testing.T) {
c := newTaskCollector(&tc.cl)
err := c.collect(context.Background(), testutil.DiscardMetrics(t))
if diff := cmp.Diff(tc.wantErr, err, cmpopts.EquateErrors()); diff != "" {
t.Errorf("Error diff (-want +got):\n%s", diff)
}
})
}
}
func TestTaskCollect(t *testing.T) {
cl := fakeTaskClient{}
c := newMultiCollector(newTaskCollector(&cl))
testutil.CollectAndCompare(t, c, `
# HELP paperless_task_status_info Task status names.
# TYPE paperless_task_status_info gauge
paperless_task_status_info{status="success"} 1
`)
cl.tasks = append(cl.tasks, client.Task{
ID: 31563,
Created: ref.Ref(time.Date(1980, time.January, 1, 0, 0, 0, 0, time.UTC)),
})
testutil.CollectAndCompare(t, c, `
# HELP paperless_task_created_timestamp_seconds Number of seconds since 1970 of the task creation.
# TYPE paperless_task_created_timestamp_seconds gauge
paperless_task_created_timestamp_seconds{id="31563"} 3.155328e+08
# HELP paperless_task_done_timestamp_seconds Number of seconds since 1970 of when the task finished.
# TYPE paperless_task_done_timestamp_seconds gauge
paperless_task_done_timestamp_seconds{id="31563"} 0
# HELP paperless_task_filename Filename associated with the task (if any).
# TYPE paperless_task_filename gauge
paperless_task_filename{filename="",id="31563"} 1
# HELP paperless_task_info Static information about a task.
# TYPE paperless_task_info gauge
paperless_task_info{id="31563",task_id="",type=""} 1
# HELP paperless_task_status Task status.
# TYPE paperless_task_status gauge
paperless_task_status{id="31563",status="statusunspecified"} 1
# HELP paperless_task_status_info Task status names.
# TYPE paperless_task_status_info gauge
paperless_task_status_info{status="statusunspecified"} 1
paperless_task_status_info{status="success"} 1
`)
}