First commit

vendor/github.com/PuerkitoBio/goquery/iteration_test.go

@@ -0,0 +1,88 @@
+package goquery
+
+import (
+	"testing"
+
+	"golang.org/x/net/html"
+)
+
+func TestEach(t *testing.T) {
+	var cnt int
+
+	sel := Doc().Find(".hero-unit .row-fluid").Each(func(i int, n *Selection) {
+		cnt++
+		t.Logf("At index %v, node %v", i, n.Nodes[0].Data)
+	}).Find("a")
+
+	if cnt != 4 {
+		t.Errorf("Expected Each() to call function 4 times, got %v times.", cnt)
+	}
+	assertLength(t, sel.Nodes, 6)
+}
+
+func TestEachWithBreak(t *testing.T) {
+	var cnt int
+
+	sel := Doc().Find(".hero-unit .row-fluid").EachWithBreak(func(i int, n *Selection) bool {
+		cnt++
+		t.Logf("At index %v, node %v", i, n.Nodes[0].Data)
+		return false
+	}).Find("a")
+
+	if cnt != 1 {
+		t.Errorf("Expected Each() to call function 1 time, got %v times.", cnt)
+	}
+	assertLength(t, sel.Nodes, 6)
+}
+
+func TestEachEmptySelection(t *testing.T) {
+	var cnt int
+
+	sel := Doc().Find("zzzz")
+	sel.Each(func(i int, n *Selection) {
+		cnt++
+	})
+	if cnt > 0 {
+		t.Error("Expected Each() to not be called on empty Selection.")
+	}
+	sel2 := sel.Find("div")
+	assertLength(t, sel2.Nodes, 0)
+}
+
+func TestMap(t *testing.T) {
+	sel := Doc().Find(".pvk-content")
+	vals := sel.Map(func(i int, s *Selection) string {
+		n := s.Get(0)
+		if n.Type == html.ElementNode {
+			return n.Data
+		}
+		return ""
+	})
+	for _, v := range vals {
+		if v != "div" {
+			t.Error("Expected Map array result to be all 'div's.")
+		}
+	}
+	if len(vals) != 3 {
+		t.Errorf("Expected Map array result to have a length of 3, found %v.", len(vals))
+	}
+}
+
+func TestForRange(t *testing.T) {
+	sel := Doc().Find(".pvk-content")
+	initLen := sel.Length()
+	for i := range sel.Nodes {
+		single := sel.Eq(i)
+		//h, err := single.Html()
+		//if err != nil {
+		//	t.Fatal(err)
+		//}
+		//fmt.Println(i, h)
+		if single.Length() != 1 {
+			t.Errorf("%d: expected length of 1, got %d", i, single.Length())
+		}
+	}
+	if sel.Length() != initLen {
+		t.Errorf("expected initial selection to still have length %d, got %d", initLen, sel.Length())
+	}
+}