Function TestStreamParser_Success1

parse_test.go:448–515

(t *testing.T)

}

func TestStreamParser_Success1(t *testing.T) {
	s := `
	<ROOT>
		<AAA>
			<CCC>c1</CCC>
			<BBB>b1</BBB>
			<DDD>d1</DDD>
			<BBB>b2<ZZZ z="1">z1</ZZZ></BBB>
			<BBB>b3</BBB>
		</AAA>
		<ZZZ>
			<BBB>b4</BBB>
			<BBB>b5</BBB>
			<CCC>c3</CCC>
		</ZZZ>
	</ROOT>`

	sp, err := CreateStreamParser(strings.NewReader(s), "/ROOT/*/BBB", "/ROOT/*/BBB[. != 'b3']")
	if err != nil {
		t.Fatal(err.Error())
	}

	// First `<BBB>` read
	n, err := sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "first call result", `<BBB>b1</BBB>`, n)
	testOutputXML(t, "doc after first call",
		`<?xml version="1.0"?><ROOT><AAA><CCC>c1</CCC><BBB>b1</BBB></AAA></ROOT>`, findRoot(n))

	// Second `<BBB>` read
	n, err = sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "second call result", `<BBB>b2<ZZZ z="1">z1</ZZZ></BBB>`, n)
	testOutputXML(t, "doc after second call",
		`<?xml version="1.0"?><ROOT><AAA><DDD>d1</DDD><BBB>b2<ZZZ z="1">z1</ZZZ></BBB></AAA></ROOT>`, findRoot(n))

	// Third `<BBB>` read (Note we will skip 'b3' since the streamElementFilter excludes it)
	n, err = sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}
	testOutputXML(t, "third call result", `<BBB>b4</BBB>`, n)
	// Note the inclusion of `<BBB>b3</BBB>` in the document? This is because `<BBB>b3</BBB>` has
	// been filtered out and is not our target node, thus it is considered just like any other
	// non target nodes such as `<CCC>`` or `<DDD>`
	testOutputXML(t, "doc after third call",
		`<?xml version="1.0"?><ROOT><AAA></AAA><ZZZ><BBB>b4</BBB></ZZZ></ROOT>`,
		findRoot(n))

	// Fourth `<BBB>` read
	n, err = sp.Read()
	if err != nil {
		t.Fatal(err.Error())
	}