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import (
"context"
"net/http"
"net/http/httptest"
"strings"
"testing"
)
func newTestServer(body string) *httptest.Server {
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
_, _ = w.Write([]byte(body))
}))
}
const testPage = `<!DOCTYPE html>
<html>
<head><title>Test Page</title></head>
<body>
<h1>Hello World</h1>
<nav><a href="/about">About</a></nav>
<main>
<p>Some content here.</p>
<button id="btn">Click Me</button>
<input type="text" placeholder="Enter name">
<textarea placeholder="Description"></textarea>
<form><select><option>One</option></select></form>
</main>
<footer>Footer text</footer>
</body>
</html>`
func TestLiteEngine_Navigate(t *testing.T) {
ts := newTestServer(testPage)
defer ts.Close()
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
result, err := lite.Navigate(context.Background(), ts.URL)
if err != nil {
t.Fatalf("Navigate: %v", err)
}
if result.TabID == "" {
t.Error("expected non-empty tabId")
}
if result.URL != ts.URL {
t.Errorf("URL = %q, want %q", result.URL, ts.URL)
}
}
func TestLiteEngine_Snapshot_All(t *testing.T) {
ts := newTestServer(testPage)
defer ts.Close()
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
_, err := lite.Navigate(context.Background(), ts.URL)
if err != nil {
t.Fatalf("Navigate: %v", err)
}
nodes, err := lite.Snapshot(context.Background(), "", "all")
if err != nil {
t.Fatalf("Snapshot: %v", err)
}
if len(nodes) == 0 {
t.Fatal("expected nodes in snapshot")
}
// Verify roles are assigned
roleSet := make(map[string]bool)
for _, n := range nodes {
roleSet[n.Role] = true
}
for _, expected := range []string{"heading", "link", "button", "textbox", "combobox"} {
if !roleSet[expected] {
t.Errorf("expected role %q in snapshot, roles found: %v", expected, roleSet)
}
}
}
func TestLiteEngine_Snapshot_Interactive(t *testing.T) {
ts := newTestServer(testPage)
defer ts.Close()
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
_, _ = lite.Navigate(context.Background(), ts.URL)
nodes, err := lite.Snapshot(context.Background(), "", "interactive")
if err != nil {
t.Fatalf("Snapshot interactive: %v", err)
}
for _, n := range nodes {
if !n.Interactive {
t.Errorf("interactive filter returned non-interactive node: %+v", n)
}
}
if len(nodes) < 3 {
t.Errorf("expected at least 3 interactive nodes (link, button, input), got %d", len(nodes))
}
}
func TestLiteEngine_Text(t *testing.T) {
ts := newTestServer(testPage)
defer ts.Close()
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
_, _ = lite.Navigate(context.Background(), ts.URL)
text, err := lite.Text(context.Background(), "")
if err != nil {
t.Fatalf("Text: %v", err)
}
for _, want := range []string{"Hello World", "About", "Click Me", "Some content here"} {
if !strings.Contains(text, want) {
t.Errorf("text should contain %q, got: %s", want, text)
}
}
}
func TestLiteEngine_Click(t *testing.T) {
ts := newTestServer(testPage)
defer ts.Close()
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
_, _ = lite.Navigate(context.Background(), ts.URL)
nodes, _ := lite.Snapshot(context.Background(), "", "interactive")
var buttonRef string
for _, n := range nodes {
if n.Role == "button" {
buttonRef = n.Ref
break
}
}
if buttonRef == "" {
t.Fatal("no button found in snapshot")
}
if err := lite.Click(context.Background(), "", buttonRef); err != nil {
t.Errorf("Click: %v", err)
}
}
func TestLiteEngine_Type(t *testing.T) {
ts := newTestServer(testPage)
defer ts.Close()
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
_, _ = lite.Navigate(context.Background(), ts.URL)
nodes, _ := lite.Snapshot(context.Background(), "", "interactive")
var inputRef string
for _, n := range nodes {
if n.Role == "textbox" {
inputRef = n.Ref
break
}
}
if inputRef == "" {
t.Fatal("no textbox found in snapshot")
}
if err := lite.Type(context.Background(), "", inputRef, "hello"); err != nil {
t.Errorf("Type: %v", err)
}
}
func TestLiteEngine_RefNotFound(t *testing.T) {
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
// No page loaded
_, err := lite.Snapshot(context.Background(), "", "all")
if err == nil {
t.Error("expected error for snapshot without navigate")
}
// After navigate, bad ref
ts := newTestServer(testPage)
defer ts.Close()
_, _ = lite.Navigate(context.Background(), ts.URL)
_, _ = lite.Snapshot(context.Background(), "", "all")
if err := lite.Click(context.Background(), "", "nonexistent"); err == nil {
t.Error("expected error for bad ref")
}
}
func TestLiteEngine_ScriptStyleSkipped(t *testing.T) {
page := `<!DOCTYPE html>
<html><head><title>T</title></head>
<body>
<script>var x = 1;</script>
<style>.red { color: red; }</style>
<p>Visible</p>
</body></html>`
ts := newTestServer(page)
defer ts.Close()
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
_, _ = lite.Navigate(context.Background(), ts.URL)
nodes, _ := lite.Snapshot(context.Background(), "", "all")
for _, n := range nodes {
if n.Tag == "script" || n.Tag == "style" {
t.Errorf("snapshot should skip %s elements", n.Tag)
}
}
}
func TestLiteEngine_AriaAttributes(t *testing.T) {
page := `<!DOCTYPE html>
<html><head><title>Aria</title></head>
<body>
<div role="navigation" aria-label="Main Nav">content</div>
<span role="button" tabindex="0">Custom Btn</span>
</body></html>`
ts := newTestServer(page)
defer ts.Close()
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
_, _ = lite.Navigate(context.Background(), ts.URL)
nodes, _ := lite.Snapshot(context.Background(), "", "all")
foundNav := false
foundBtn := false
for _, n := range nodes {
if n.Role == "navigation" && n.Name == "Main Nav" {
foundNav = true
}
if n.Role == "button" && n.Name == "Custom Btn" {
foundBtn = true
}
}
if !foundNav {
t.Error("expected to find navigation role with aria-label")
}
if !foundBtn {
t.Error("expected to find button role from role attribute")
}
}
func TestLiteEngine_MultiTab(t *testing.T) {
page1 := `<!DOCTYPE html><html><head><title>Page 1</title></head><body><p>First</p></body></html>`
page2 := `<!DOCTYPE html><html><head><title>Page 2</title></head><body><p>Second</p></body></html>`
ts1 := newTestServer(page1)
defer ts1.Close()
ts2 := newTestServer(page2)
defer ts2.Close()
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
res1, _ := lite.Navigate(context.Background(), ts1.URL)
res2, _ := lite.Navigate(context.Background(), ts2.URL)
if res1.TabID == res2.TabID {
t.Error("tab IDs should be different")
}
// Current tab is the most recent (page2)
text, _ := lite.Text(context.Background(), "")
if !strings.Contains(text, "Second") {
t.Errorf("expected page 2 text, got: %s", text)
}
text, _ = lite.Text(context.Background(), res1.TabID)
if !strings.Contains(text, "First") {
t.Errorf("expected page 1 text via tab ID, got: %s", text)
}
}
func TestLiteEngine_Close(t *testing.T) {
ts := newTestServer(testPage)
defer ts.Close()
lite := NewLiteEngine()
_, _ = lite.Navigate(context.Background(), ts.URL)
if err := lite.Close(); err != nil {
t.Errorf("Close: %v", err)
}
// After close, operations should fail
_, err := lite.Snapshot(context.Background(), "", "all")
if err == nil {
t.Error("expected error after close")
}
}
func TestLiteEngine_Capabilities(t *testing.T) {
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
caps := lite.Capabilities()
if len(caps) != 5 {
t.Errorf("expected 5 capabilities, got %d", len(caps))
}
}
func TestLiteEngine_Name(t *testing.T) {
lite := NewLiteEngine()
defer func() { _ = lite.Close() }()
if lite.Name() != "lite" {
t.Errorf("Name() = %q, want %q", lite.Name(), "lite")
}
}
func TestNormalizeWhitespace(t *testing.T) {
tests := []struct {
in string
want string
}{
{"hello world", "hello world"},
{" hello world ", "hello world"},
{"line1\n\n\nline2", "line1 line2"},
{"\t tabs \t and \t spaces", "tabs and spaces"},
{"", ""},
}
for _, tt := range tests {
got := normalizeWhitespace(tt.in)
if got != tt.want {
t.Errorf("normalizeWhitespace(%q) = %q, want %q", tt.in, got, tt.want)
}
}
}
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