update test cases

xpath_expression_test.go

@@ -4,14 +4,6 @@ import (
 	"testing"
 )
 
-/*
- The below list are not supported yet
-*/
-// ================================
-// */employee
-// (4,2)
-// ===============================
-
 func Test_descendant_issue(t *testing.T) {
 	// Issue #93 https://github.com/antchfx/xpath/issues/93
 	/*
@@ -48,8 +40,7 @@ func TestRelativePaths(t *testing.T) {
 	test_xpath_tags(t, book_example, `//book/..`, "bookstore")
 	test_xpath_elements(t, book_example, `//book[@category="cooking"]/..`, 2)
 	test_xpath_elements(t, book_example, `//book/year[text() = 2005]/../..`, 2) // bookstore
-	// Warning. duplicate elements.
-	//test_xpath_elements(t, book_example, `//book/year/../following-sibling::*`, 9, 15, 25)
+	test_xpath_elements(t, book_example, `//book/year/../following-sibling::*`, 9, 15, 25)
 	test_xpath_count(t, book_example, `//bookstore/book/*`, 20)
 	test_xpath_tags(t, html_example, "//title/../..", "html")
 	test_xpath_elements(t, html_example, "//ul/../p", 19)

xpath_function_test.go

@@ -11,6 +11,7 @@ func Test_func_boolean(t *testing.T) {
 	test_xpath_eval(t, empty_example, `true()`, true)
 	test_xpath_eval(t, empty_example, `false()`, false)
 	test_xpath_eval(t, empty_example, `boolean(0)`, false)
+	test_xpath_eval(t, empty_example, `boolean(null)`, false)
 	test_xpath_eval(t, empty_example, `boolean(1)`, true)
 	test_xpath_eval(t, empty_example, `boolean(2)`, true)
 	test_xpath_eval(t, empty_example, `boolean(true)`, false)
@@ -80,7 +81,8 @@ func Test_func_last(t *testing.T) {
 }
 
 func Test_func_local_name(t *testing.T) {
-	// TODO
+	test_xpath_eval(t, book_example, `local-name(bookstore)`, "bookstore")
+	test_xpath_eval(t, mybook_example, `local-name(//mybook:book)`, "book")
 }
 
 func Test_func_starts_with(t *testing.T) {
@@ -210,7 +212,8 @@ func Test_func_round(t *testing.T) {
 }
 
 func Test_func_namespace_uri(t *testing.T) {
-	// TODO
+	//test_xpath_eval(t, mybook_example, `namespace-uri(//mybook:book)`, "http://www.contoso.com/books")
+	//test_xpath_elements(t, mybook_example, `//*[namespace-uri()='http://www.contoso.com/books']`, 3, 9)
 }
 
 func Test_func_normalize_space(t *testing.T) {

xpath_test.go

@@ -12,6 +12,7 @@ var (
 	book_example     = createBookExample()
 	html_example     = createHtmlExample()
 	empty_example    = createNode("", RootNode)
+	mybook_example   = createMyBookExample()
 )
 
 func test_xpath_elements(t *testing.T, root *TNode, expr string, expected ...int) {
@@ -128,6 +129,14 @@ func TestCompile(t *testing.T) {
 	assertNil(t, err)
 }
 
+func TestInvalidXPath(t *testing.T) {
+	var err error
+	_, err = Compile("()")
+	assertErr(t, err)
+	_, err = Compile("(1,2,3)")
+	assertErr(t, err)
+}
+
 func TestCompileWithNS(t *testing.T) {
 	_, err := CompileWithNS("/foo", nil)
 	assertNil(t, err)
@@ -814,3 +823,66 @@ func createHtmlExample() *TNode {
 	lines++
 	return doc
 }
+
+func createMyBookExample() *TNode {
+	/*
+		<?xml version="1.0" encoding="utf-8"?>
+		<books xmlns:mybook="http://www.contoso.com/books">
+			<mybook:book id="bk101">
+				<title>XML Developer's Guide</title>
+				<author>Gambardella, Matthew</author>
+				<price>44.95</price>
+				<publish_date>2000-10-01</publish_date>
+			</mybook:book>
+			<mybook:book id="bk102">
+				<title>Midnight Rain</title>
+				<author>Ralls, Kim</author>
+				<price>5.95</price>
+				<publish_date>2000-12-16</publish_date>
+			</mybook:book>
+		</books>
+	*/
+	lines := 0
+	doc := createNode("", RootNode)
+	lines++
+	books := doc.createChildNode("books", ElementNode)
+	books.addAttribute("xmlns:mybook", "http://www.contoso.com/books")
+	books.lines = lines
+	lines++
+	data := []struct {
+		id      string
+		title   string
+		author  string
+		price   float64
+		publish string
+	}{
+		{id: "bk101", title: "XML Developer's Guide", author: "Gambardella, Matthew", price: 44.95, publish: "2000-10-01"},
+		{id: "bk102", title: "Midnight Rain", author: "Ralls, Kim", price: 5.95, publish: "2000-12-16"},
+	}
+	for i := 0; i < len(data); i++ {
+		v := data[i]
+		book := books.createChildNode("mybook:book", ElementNode)
+		book.addAttribute("id", v.id)
+		book.lines = lines
+		lines++
+		title := book.createChildNode("title", ElementNode)
+		title.createChildNode(v.title, TextNode)
+		title.lines = lines
+		lines++
+		author := book.createChildNode("author", ElementNode)
+		author.createChildNode(v.author, TextNode)
+		author.lines = lines
+		lines++
+		price := book.createChildNode("price", ElementNode)
+		price.createChildNode(fmt.Sprintf("%.2f", v.price), TextNode)
+		price.lines = lines
+		lines++
+		publish_date := book.createChildNode("publish_date", ElementNode)
+		publish_date.createChildNode(v.publish, TextNode)
+		publish_date.lines = lines
+		lines++
+		// skip the last of book element
+		lines++
+	}
+	return doc
+}