readings: lectionary router + part filtering

1 files changed, 97 insertions, 0 deletions

diff --git a/internal/readings/readings_test.go b/internal/readings/readings_test.go
new file mode 100644
index 0000000..fd355ff
--- /dev/null
+++ b/internal/readings/readings_test.go
@@ -0,0 +1,97 @@
+package readings
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/lukaszkasprzak/lectio/internal/config"
+	"github.com/lukaszkasprzak/lectio/internal/liturgy"
+)
+
+func sectionsForFilterTests() []liturgy.Section {
+	return []liturgy.Section{
+		{PartID: "pierwsze_czytanie", Heading: "1. czytanie"},
+		{PartID: "psalm", Heading: "Psalm"},
+		{PartID: "ewangelia", Heading: "Ewangelia"},
+	}
+}
+
+func TestFilterPartsGospelOnly(t *testing.T) {
+	secs := sectionsForFilterTests()
+	got := filterParts(secs, config.Config{}, false)
+
+	if len(got) != 1 {
+		t.Fatalf("got %d sections, want 1: %+v", len(got), got)
+	}
+	if got[0].PartID != "ewangelia" {
+		t.Errorf("got PartID %q, want ewangelia", got[0].PartID)
+	}
+}
+
+func TestFilterPartsAll(t *testing.T) {
+	secs := sectionsForFilterTests()
+	cfg := config.Config{
+		Lectionary: "new",
+		Parts: map[string]map[string]bool{
+			"new": {"psalm": false},
+		},
+	}
+	got := filterParts(secs, cfg, true)
+
+	if len(got) != 2 {
+		t.Fatalf("got %d sections, want 2: %+v", len(got), got)
+	}
+	for _, s := range got {
+		if s.PartID == "psalm" {
+			t.Errorf("psalm should have been filtered out: %+v", got)
+		}
+	}
+	ids := map[string]bool{got[0].PartID: true, got[1].PartID: true}
+	if !ids["pierwsze_czytanie"] || !ids["ewangelia"] {
+		t.Errorf("got %+v, want pierwsze_czytanie and ewangelia", got)
+	}
+}
+
+func TestLoadModernRoutes(t *testing.T) {
+	html, err := os.ReadFile("../liturgy/testdata/2026-07-22.html")
+	if err != nil {
+		t.Fatal(err)
+	}
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write(html)
+	}))
+	defer srv.Close()
+	liturgy.SetBaseURL(srv.URL + "/liturgia/%s/Ewangelia")
+	t.Setenv("XDG_CACHE_HOME", t.TempDir())
+
+	cfg := config.Config{Lectionary: "new"}
+	secs, err := Load(cfg, Options{Date: "2026-07-22", All: true})
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+
+	found := false
+	for _, s := range secs {
+		if s.PartID == "ewangelia" {
+			found = true
+		}
+	}
+	if !found {
+		t.Errorf("no gospel section (PartID=ewangelia) found in %+v", secs)
+	}
+}
+
+func TestLoadTraditionalOfflineErrors(t *testing.T) {
+	cfg := config.Config{Lectionary: "traditional", TraditionalLang: "pl"}
+	_, err := Load(cfg, Options{Date: "2026-07-22", Offline: true})
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	msg := strings.ToLower(err.Error())
+	if !strings.Contains(msg, "offline") || !strings.Contains(msg, "traditional") {
+		t.Errorf("error %q should mention offline and traditional", err.Error())
+	}
+}