(new): updates iterator

(new): sneklog migration

(refactor): idiomatic names

(fix): polling lifecycle

(tests): polling regressions

(doc): rc16 changelog

methods_test.go

@@ -0,0 +1,78 @@
+package laniakea
+
+import (
+	"context"
+	"io"
+	"net/http"
+	"strings"
+	"testing"
+
+	"git.scuroneko.dev/scuroneko/laniakea/tgapi"
+)
+
+func TestUpdatesIterYieldsFetchError(t *testing.T) {
+	bot := newUpdatesIterTestBot(t, `{"ok":false,"error_code":500,"description":"boom"}`)
+
+	var gotErr error
+	var gotUpdates int
+	bot.UpdatesIter(context.Background())(func(update tgapi.Update, err error) bool {
+		gotUpdates++
+		if update.UpdateID != 0 {
+			t.Fatalf("expected zero update on error, got %d", update.UpdateID)
+		}
+		gotErr = err
+		return true
+	})
+
+	if gotUpdates != 1 {
+		t.Fatalf("expected one yielded error, got %d yields", gotUpdates)
+	}
+	if gotErr == nil {
+		t.Fatal("expected fetch error")
+	}
+	if !strings.Contains(gotErr.Error(), "boom") {
+		t.Fatalf("expected Telegram error description, got %v", gotErr)
+	}
+}
+
+func TestUpdatesIterStopsWhenYieldReturnsFalse(t *testing.T) {
+	bot := newUpdatesIterTestBot(t, `{"ok":true,"result":[{"update_id":11},{"update_id":12}]}`)
+
+	var gotIDs []int
+	bot.UpdatesIter(context.Background())(func(update tgapi.Update, err error) bool {
+		if err != nil {
+			t.Fatalf("unexpected error: %v", err)
+		}
+		gotIDs = append(gotIDs, update.UpdateID)
+		return false
+	})
+
+	if len(gotIDs) != 1 || gotIDs[0] != 11 {
+		t.Fatalf("expected only first update, got %v", gotIDs)
+	}
+}
+
+func newUpdatesIterTestBot(t *testing.T, response string) *Bot[NoData] {
+	t.Helper()
+
+	api := tgapi.NewAPI(
+		tgapi.NewAPIOpts("token").
+			SetAPIURL("https://example.test").
+			SetHTTPClient(&http.Client{
+				Transport: pollingRoundTripFunc(func(req *http.Request) (*http.Response, error) {
+					return &http.Response{
+						StatusCode: http.StatusOK,
+						Header:     http.Header{"Content-Type": []string{"application/json"}},
+						Body:       io.NopCloser(strings.NewReader(response)),
+					}, nil
+				}),
+			}),
+	)
+	t.Cleanup(func() {
+		if err := api.Close(); err != nil {
+			t.Fatalf("Close returned error: %v", err)
+		}
+	})
+
+	return &Bot[NoData]{api: api}
+}