feat(issue): list issues without an assignee with --no-assignee

Signed-off-by: bircni <bircni@icloud.com>

internal/services/pulls_test.go

@@ -363,3 +363,20 @@ func TestPullClientFiltersCountWhenEveryPullWasRead(t *testing.T) {
 	require.True(t, page.Counted)
 	require.Equal(t, 2, page.Total)
 }
+
+func TestPullNoAssigneeKeepsUnassignedPulls(t *testing.T) {
+	client := newTestClient(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		require.Empty(t, r.URL.Query().Get("assignee"))
+		if r.URL.Query().Get("page") != "1" {
+			_, _ = w.Write([]byte(`[]`))
+			return
+		}
+		_, _ = w.Write([]byte(`[{"number":1,"assignees":[{"login":"bob"}]},{"number":2},{"number":3,"assignees":[]}]`))
+	}))
+	page, err := (Pulls{Client: client, Repository: "alice/project"}).ListPage(context.Background(), PullListOptions{State: "open", NoAssignee: true, Limit: 30, Page: 1})
+	require.NoError(t, err)
+	require.Len(t, page.Items, 2)
+	require.EqualValues(t, 2, page.Items[0].Number)
+	require.EqualValues(t, 3, page.Items[1].Number)
+	require.True(t, page.Counted)
+}