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html_test.go
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html_test.go
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package main
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/net/html"
)
func Test_findFirstForm(t *testing.T) {
doc := `<html>
<body>
<div />
<form method="post" id="form">
<input type="hidden" name="tx" value="a jwt object" />
<input type="hidden" name="parent" value="None" />
<input type="hidden" name="_xsrf" value="xsrf token" />
<input type="hidden" name="java_version" value="" />
<input type="hidden" name="flash_version" value="" />
<input type="hidden" name="screen_resolution_width" value="" />
<input type="hidden" name="screen_resolution_height" value="" />
<input type="hidden" name="color_depth" value="" />
<input type="hidden" name="ch_ua_error" value="" />
<input type="hidden" name="client_hints" value="" />
<input type="hidden" name="is_cef_browser" value=""/>
<input type="hidden" name="is_ipad_os" value="" />
<input type="hidden" name="is_ie_compatibility_mode" value="" />
<input type="hidden" name="is_user_verifying_platform_authenticator_available" value="" />
<input type="hidden" name="user_verifying_platform_authenticator_available_error" value="" />
<input type="hidden" name="acting_ie_version" value="" />
<div id='react-test-container'></div>
<input type="hidden" name="react_support" value="" />
<input type="hidden" name="react_support_error_message" value="" />
</form>
</body>
</html>`
node, err := html.Parse(strings.NewReader(doc))
require.NoError(t, err)
form, ok := FindFirstForm(node)
require.True(t, ok)
require.Equal(t, "a jwt object", form.Inputs["tx"])
require.Equal(t, "xsrf token", form.Inputs["_xsrf"])
require.Equal(t, "post", form.Method)
}
func Test_FindFirstFormFindsFormsNestedWithinChildren(t *testing.T) {
doc := `<html>
<body>
<div />
<div>
<form method="post" id="form">
<input type="string" name="value1" value="a non-empty value" />
</form>
</div>
<form id="another form"></form>
</body>
</html>`
node, err := html.Parse(strings.NewReader(doc))
require.NoError(t, err)
form, ok := FindFirstForm(node)
require.True(t, ok)
require.Equal(t, "a non-empty value", form.Inputs["value1"])
}
func Test_FindFirstFormFindsNestedInputs(t *testing.T) {
doc := `<html>
<body>
<div />
<div>
<form method="post" id="form">
<div>
<input type="string" name="value1" value="a non-empty value" />
</div>
</form>
</div>
<form id="another form"></form>
</body>
</html>`
node, err := html.Parse(strings.NewReader(doc))
require.NoError(t, err)
form, ok := FindFirstForm(node)
require.True(t, ok)
require.Equal(t, "a non-empty value", form.Inputs["value1"])
}
func TestWalkWalksElementsCorrectly(t *testing.T) {
doc := `<html>
<head />
<body>
<div />
<div>
<form method="post" id="form">
<div>
<input type="string" name="value1" value="a non-empty value" />
</div>
</form>
</div>
<form id="another form"></form>
</body>
</html>`
expected := []string{"html", "head", "body", "div", "div", "form", "div", "input", "form"}
elements := []string{}
node, err := html.Parse(strings.NewReader(doc))
require.NoError(t, err)
Walk(node, func(node *html.Node) bool {
elements = append(elements, node.Data)
return false
})
assert.Equal(t, expected, elements)
}
func TestWalkStopsWhenFunctionReturnsTrue(t *testing.T) {
doc := `<html>
<head />
<body>
<div id=1 />
<div id=2 />
<div id=3>
<div id=4>
</div>
<div id=5 />
</body>
</html>`
var lastElement *html.Node
node, err := html.Parse(strings.NewReader(doc))
require.NoError(t, err)
Walk(node, func(node *html.Node) bool {
lastElement = node
id, _ := getAttribute(lastElement.Attr, "id")
return id == "4"
})
require.NotNil(t, lastElement)
id, _ := getAttribute(lastElement.Attr, "id")
assert.Equal(t, id, "4")
}