mirror of
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128 lines
3.1 KiB
Go
128 lines
3.1 KiB
Go
package cascadia
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import (
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"fmt"
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"strings"
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"testing"
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"golang.org/x/net/html"
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)
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type testSpec struct {
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// html, css selector
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HTML, selector string
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// correct specificity
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spec Specificity
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}
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var testsSpecificity = []testSpec{
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{
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HTML: `<html><body><div><div><a href="http://www.foo.com"></a></div></div></body></html>`,
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selector: ":not(em, strong#foo)",
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spec: Specificity{1, 0, 1},
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},
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{
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HTML: `<html><body><div><div><a href="http://www.foo.com"></a></div></div></body></html>`,
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selector: "*",
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spec: Specificity{0, 0, 0},
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},
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{
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HTML: `<html><body><div><div><ul></ul></div></div></body></html>`,
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selector: "ul",
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spec: Specificity{0, 0, 1},
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},
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{
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HTML: `<html><body><div><ul><li></li></ul></div></body></html>`,
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selector: "ul li",
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spec: Specificity{0, 0, 2},
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},
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{
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HTML: `<html><body><div><ul><ol></ol><li></li></ul></div></body></html>`,
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selector: "ul ol+li",
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spec: Specificity{0, 0, 3},
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},
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{
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HTML: `<html><body><div><ul><h1></h1><li rel="up"></li></ul></div></body></html>`,
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selector: "H1 + *[REL=up] ",
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spec: Specificity{0, 1, 1},
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},
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{
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HTML: `<html><body><ul><ol><li class="red"></li></ol></ul></body></html>`,
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selector: "UL OL LI.red",
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spec: Specificity{0, 1, 3},
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},
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{
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HTML: `<html><body><ul><ol><li class="red level"></li></ol></ul></body></html>`,
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selector: "LI.red.level",
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spec: Specificity{0, 2, 1},
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},
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{
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HTML: `<html><body><ul><ol><li id="x34y"></li></ol></ul></body></html>`,
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selector: "#x34y",
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spec: Specificity{1, 0, 0},
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},
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{
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HTML: `<html><body><ul><ol><li id="s12"></li></ol></ul></body></html>`,
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selector: "#s12:not(FOO)",
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spec: Specificity{1, 0, 1},
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},
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{
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HTML: `<html><body><ul><ol><li id="s12"></li></ol></ul></body></html>`,
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selector: "#s12:not(FOO)",
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spec: Specificity{1, 0, 1},
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},
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{
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HTML: `<html><body><ul><ol><li id="s12"></li></ol></ul></body></html>`,
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selector: "#s12:empty",
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spec: Specificity{1, 1, 0},
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},
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{
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HTML: `<html><body><ul><ol><li id="s12"></li></ol></ul></body></html>`,
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selector: "#s12:only-child",
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spec: Specificity{1, 1, 0},
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},
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}
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func setupSel(selector, HTML string) (Sel, *html.Node, error) {
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s, err := Parse(selector)
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if err != nil {
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return nil, nil, fmt.Errorf("error compiling %q: %s", selector, err)
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}
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doc, err := html.Parse(strings.NewReader(HTML))
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if err != nil {
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return nil, nil, fmt.Errorf("error parsing %q: %s", HTML, err)
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}
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return s, doc, nil
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}
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func TestSpecificity(t *testing.T) {
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for _, test := range testsSpecificity {
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s, doc, err := setupSel(test.selector, test.HTML)
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if err != nil {
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t.Fatal(err)
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}
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body := doc.FirstChild.LastChild
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testNode := body.FirstChild.FirstChild.LastChild
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if !s.Match(testNode) {
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t.Errorf("%s didn't match (html tree : \n %s) \n", test.selector, nodeString(doc))
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continue
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}
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gotSpec := s.Specificity()
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if gotSpec != test.spec {
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t.Errorf("wrong specificity : expected %v, got %v", test.spec, gotSpec)
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}
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}
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}
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func TestCompareSpecificity(t *testing.T) {
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s1, s2 := Specificity{1, 1, 0}, Specificity{1, 0, 0}
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if s1.Less(s2) {
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t.Fatal()
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}
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if s1.Less(s1) {
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t.Fatal()
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}
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}
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