Release v0.2.34

server/internal/api/genres_test.go

@@ -0,0 +1,47 @@
+package api
+
+import (
+	"net/http/httptest"
+	"testing"
+)
+
+func TestGenreTotalPrefersEmbysOwnCount(t *testing.T) {
+	if got := genreTotal(412, 48, 48, 48); got != 412 {
+		t.Fatalf("genreTotal = %d, want the reported 412", got)
+	}
+}
+
+func TestGenreTotalKeepsScrollingWhenNobodyCounted(t *testing.T) {
+	// A full page with no count: there may be more, so the total has to sit past what has
+	// been delivered or the television stops half way through the genre.
+	if got := genreTotal(0, 48, 48, 48); got <= 96 {
+		t.Fatalf("genreTotal = %d, want more than the 96 delivered", got)
+	}
+}
+
+func TestGenreTotalStopsOnAShortPage(t *testing.T) {
+	// A short page is the end of the genre. Claiming anything beyond it leaves the grid
+	// asking for a page that will never come.
+	if got := genreTotal(0, 48, 11, 48); got != 59 {
+		t.Fatalf("genreTotal = %d, want exactly the 59 delivered", got)
+	}
+	if got := genreTotal(0, 0, 0, 48); got != 0 {
+		t.Fatalf("genreTotal = %d, want 0 for a genre with nothing in it", got)
+	}
+}
+
+func TestQueryOffsetTreatsZeroAsAValueRatherThanAMissingOne(t *testing.T) {
+	cases := map[string]int{
+		"":                0,
+		"offset=0":        0,
+		"offset=48":       48,
+		"offset=-3":       0,
+		"offset=nonsense": 0,
+	}
+	for query, want := range cases {
+		r := httptest.NewRequest("GET", "/v1/genres/Comedy/items?"+query, nil)
+		if got := queryOffset(r, "offset"); got != want {
+			t.Errorf("queryOffset(%q) = %d, want %d", query, got, want)
+		}
+	}
+}