prometheus-paperless-exporter/correspondent_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 fakeCorrespondentClient struct {
items []client.Correspondent
err error
}
func (c *fakeCorrespondentClient) ListAllCorrespondents(ctx context.Context, opts *client.ListCorrespondentsOptions, handler func(context.Context, client.Correspondent) error) error {
for _, i := range c.items {
if err := handler(ctx, i); err != nil {
return err
}
}
return c.err
}
func TestCorrespondent(t *testing.T) {
errTest := errors.New("test error")
for _, tc := range []struct {
name string
cl fakeCorrespondentClient
wantErr error
}{
{
name: "empty",
},
{
name: "listing fails",
cl: fakeCorrespondentClient{
err: errTest,
},
wantErr: errTest,
},
{
name: "correspondents",
cl: fakeCorrespondentClient{
items: []client.Correspondent{
{ID: 21383},
{ID: 3096},
{ID: 22044},
},
},
},
} {
t.Run(tc.name, func(t *testing.T) {
c := newCorrespondentCollector(&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 TestCorrespondentCollect(t *testing.T) {
cl := fakeCorrespondentClient{}
c := newMultiCollector(newCorrespondentCollector(&cl))
testutil.CollectAndCompare(t, c, ``)
cl.items = append(cl.items, []client.Correspondent{
{ID: 15818, Name: "bank", Slug: "aslug"},
{
ID: 167,
Name: "insurance",
DocumentCount: 2,
LastCorrespondence: ref.Ref(time.Date(2019, time.July, 1, 0, 0, 0, 0, time.UTC)),
},
{ID: 24467, Name: "employer", DocumentCount: 121},
}...)
testutil.CollectAndCompare(t, c, `
# HELP paperless_correspondent_document_count Number of documents associated with a correspondent.
# TYPE paperless_correspondent_document_count gauge
paperless_correspondent_document_count{id="15818"} 0
paperless_correspondent_document_count{id="167"} 2
paperless_correspondent_document_count{id="24467"} 121
# HELP paperless_correspondent_info Static information about a correspondent.
# TYPE paperless_correspondent_info gauge
paperless_correspondent_info{id="15818",name="bank",slug="aslug"} 1
paperless_correspondent_info{id="167",name="insurance",slug=""} 1
paperless_correspondent_info{id="24467",name="employer",slug=""} 1
# HELP paperless_correspondent_last_correspondence_timestamp_seconds Number of seconds since 1970 of the most recent correspondence.
# TYPE paperless_correspondent_last_correspondence_timestamp_seconds gauge
paperless_correspondent_last_correspondence_timestamp_seconds{id="15818"} 0
paperless_correspondent_last_correspondence_timestamp_seconds{id="167"} 1.5619392e+09
paperless_correspondent_last_correspondence_timestamp_seconds{id="24467"} 0
`)
}