97 lines
3.1 KiB
Rust
97 lines
3.1 KiB
Rust
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use std::io::Cursor;
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use std::iter::Iterator;
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use xml::reader::EventReader;
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use xml::writer::EventWriter;
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use element::Element;
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const TEST_STRING: &'static str = r#"<?xml version="1.0" encoding="utf-8"?><root xmlns="root_ns" a="b">meow<child c="d" /><child xmlns="child_ns" d="e" />nya</root>"#;
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fn build_test_tree() -> Element {
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let mut root = Element::builder("root")
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.ns("root_ns")
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.attr("a", "b")
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.build();
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root.append_text_node("meow");
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let child = Element::builder("child")
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.attr("c", "d")
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.build();
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root.append_child(child);
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let other_child = Element::builder("child")
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.ns("child_ns")
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.attr("d", "e")
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.build();
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root.append_child(other_child);
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root.append_text_node("nya");
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root
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}
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#[test]
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fn reader_works() {
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let mut reader = EventReader::new(Cursor::new(TEST_STRING));
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assert_eq!(Element::from_reader(&mut reader).unwrap(), build_test_tree());
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}
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#[test]
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fn writer_works() {
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let root = build_test_tree();
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let mut out = Vec::new();
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{
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let mut writer = EventWriter::new(&mut out);
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root.write_to(&mut writer).unwrap();
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}
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assert_eq!(String::from_utf8(out).unwrap(), TEST_STRING);
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}
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#[test]
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fn builder_works() {
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let elem = Element::builder("a")
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.ns("b")
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.attr("c", "d")
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.append(Element::builder("child"))
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.append("e")
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.build();
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assert_eq!(elem.name(), "a");
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assert_eq!(elem.ns(), Some("b"));
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assert_eq!(elem.attr("c"), Some("d"));
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assert_eq!(elem.attr("x"), None);
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assert_eq!(elem.text(), "e");
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assert!(elem.has_child("child", "b"));
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assert!(elem.is("a", "b"));
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}
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#[test]
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fn children_iter_works() {
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let root = build_test_tree();
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let mut iter = root.children();
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assert!(iter.next().unwrap().is("child", "root_ns"));
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assert!(iter.next().unwrap().is("child", "child_ns"));
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assert_eq!(iter.next(), None);
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}
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#[test]
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fn get_child_works() {
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let root = build_test_tree();
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assert_eq!(root.get_child("child", "inexistent_ns"), None);
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assert_eq!(root.get_child("not_a_child", "root_ns"), None);
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assert!(root.get_child("child", "root_ns").unwrap().is("child", "root_ns"));
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assert!(root.get_child("child", "child_ns").unwrap().is("child", "child_ns"));
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assert_eq!(root.get_child("child", "root_ns").unwrap().attr("c"), Some("d"));
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assert_eq!(root.get_child("child", "child_ns").unwrap().attr("d"), Some("e"));
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}
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#[test]
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fn namespace_propagation_works() {
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let mut root = Element::builder("root").ns("root_ns").build();
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let mut child = Element::bare("child");
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let grandchild = Element::bare("grandchild");
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child.append_child(grandchild);
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root.append_child(child);
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assert_eq!(root.get_child("child", "root_ns").unwrap().ns(), root.ns());
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assert_eq!(root.get_child("child", "root_ns").unwrap()
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.get_child("grandchild", "root_ns").unwrap()
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.ns(), root.ns());
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}
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