minify/xml/buffer_test.go at v2.0.0 · wkoe/minify

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package xml // import "github.com/tdewolff/minify/xml"

import (

"bytes"

"testing"

"github.com/tdewolff/parse/xml"

"github.com/tdewolff/test"

)

func TestBuffer(t *testing.T) {

// 0 12 3 45 6 7 8 9 0

s := `<p><a href="//url">text</a>text</p>`

z := NewTokenBuffer(xml.NewLexer(bytes.NewBufferString(s)))

tok := z.Shift()

test.That(t, string(tok.Text) == "p", "first token is <p>")

test.That(t, z.pos == 0, "shift first token and restore position")

test.That(t, len(z.buf) == 0, "shift first token and restore length")

test.That(t, string(z.Peek(2).Text) == "href", "third token is href")

test.That(t, z.pos == 0, "don't change positon after peeking")

test.That(t, len(z.buf) == 3, "two tokens after peeking")

test.That(t, string(z.Peek(8).Text) == "p", "nineth token is <p>")

test.That(t, z.pos == 0, "don't change positon after peeking")

test.That(t, len(z.buf) == 9, "nine tokens after peeking")

test.That(t, z.Peek(9).TokenType == xml.ErrorToken, "tenth token is an error")

test.That(t, z.Peek(9) == z.Peek(10), "tenth and eleventh token are EOF")

test.That(t, len(z.buf) == 10, "ten tokens after peeking")

tok = z.Shift()

test.That(t, string(tok.Text) == "a", "third token is <a>")

test.That(t, z.pos == 2, "don't change positon after peeking")

}