viewpoint-core 0.2.14

High-level browser automation API for Viewpoint
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442

#![cfg(feature = "integration")]

//! JavaScript evaluation tests for viewpoint-core.
//!
//! These tests verify the js! macro and evaluate functionality.

use std::sync::Once;

use viewpoint_core::Browser;
use viewpoint_js::js;

static TRACING_INIT: Once = Once::new();

/// Initialize tracing for tests.
fn init_tracing() {
    TRACING_INIT.call_once(|| {
        tracing_subscriber::fmt()
            .with_env_filter(
                tracing_subscriber::EnvFilter::from_default_env()
                    .add_directive(tracing::Level::INFO.into()),
            )
            .with_test_writer()
            .try_init()
            .ok();
    });
}

// =============================================================================
// Basic Evaluation Tests
// =============================================================================

/// Test evaluating primitive types with js! macro.
#[tokio::test]
async fn test_js_evaluate_primitives() {
    init_tracing();

    let browser = Browser::launch()
        .headless(true)
        .launch()
        .await
        .expect("Failed to launch browser");

    let context = browser
        .new_context()
        .await
        .expect("Failed to create context");
    let page = context.new_page().await.expect("Failed to create page");

    page.set_content("<html><body></body></html>")
        .set()
        .await
        .expect("Failed to set content");

    // Test integer
    let num: i32 = page
        .evaluate(js! { 1 + 2 })
        .await
        .expect("Failed to evaluate int");
    assert_eq!(num, 3);

    // Test float
    let float: f64 = page
        .evaluate(js! { 3.14 * 2 })
        .await
        .expect("Failed to evaluate float");
    assert!((float - 6.28).abs() < 0.01);

    // Test boolean
    let boolean: bool = page
        .evaluate(js! { true && false })
        .await
        .expect("Failed to evaluate bool");
    assert!(!boolean);

    // Test string
    let string: String = page
        .evaluate(js! { "hello" + " " + "world" })
        .await
        .expect("Failed to evaluate string");
    assert_eq!(string, "hello world");

    // Test null (returns Option)
    let null_val: Option<String> = page
        .evaluate(js! { null })
        .await
        .expect("Failed to evaluate null");
    assert!(null_val.is_none());

    // Clean up
    browser.close().await.expect("Failed to close browser");
}

/// Test evaluating objects with js! macro.
#[tokio::test]
async fn test_js_evaluate_objects() {
    init_tracing();

    let browser = Browser::launch()
        .headless(true)
        .launch()
        .await
        .expect("Failed to launch browser");

    let context = browser
        .new_context()
        .await
        .expect("Failed to create context");
    let page = context.new_page().await.expect("Failed to create page");

    page.set_content("<html><body></body></html>")
        .set()
        .await
        .expect("Failed to set content");

    // Test object - note the parentheses around the object literal
    let obj: serde_json::Value = page
        .evaluate(js! { ({ a: 1, b: "two", c: true }) })
        .await
        .expect("Failed to evaluate object");

    assert_eq!(obj["a"], 1);
    assert_eq!(obj["b"], "two");
    assert_eq!(obj["c"], true);

    // Test array
    let arr: Vec<i32> = page
        .evaluate(js! { [1, 2, 3, 4, 5] })
        .await
        .expect("Failed to evaluate array");
    assert_eq!(arr, vec![1, 2, 3, 4, 5]);

    // Clean up
    browser.close().await.expect("Failed to close browser");
}

/// Test evaluating promises with js! macro.
#[tokio::test]
async fn test_js_evaluate_promises() {
    init_tracing();

    let browser = Browser::launch()
        .headless(true)
        .launch()
        .await
        .expect("Failed to launch browser");

    let context = browser
        .new_context()
        .await
        .expect("Failed to create context");
    let page = context.new_page().await.expect("Failed to create page");

    page.set_content("<html><body></body></html>")
        .set()
        .await
        .expect("Failed to set content");

    // Test resolved promise
    let result: String = page
        .evaluate(js! {
            Promise.resolve("resolved value")
        })
        .await
        .expect("Failed to evaluate promise");
    assert_eq!(result, "resolved value");

    // Test async function
    let async_result: i32 = page
        .evaluate(js! {
            (async () => {
                await new Promise(r => setTimeout(r, 10));
                return 42;
            })()
        })
        .await
        .expect("Failed to evaluate async function");
    assert_eq!(async_result, 42);

    // Clean up
    browser.close().await.expect("Failed to close browser");
}

/// Test evaluate on closed page should fail.
#[tokio::test]
async fn test_evaluate_on_closed_page() {
    init_tracing();

    let browser = Browser::launch()
        .headless(true)
        .launch()
        .await
        .expect("Failed to launch browser");

    let context = browser
        .new_context()
        .await
        .expect("Failed to create context");
    let mut page = context.new_page().await.expect("Failed to create page");

    // Close the page first
    page.close().await.expect("Failed to close page");
    assert!(page.is_closed());

    // Attempt evaluate on closed page should fail
    let result: Result<i32, _> = page.evaluate(js! { 1 + 1 }).await;
    assert!(result.is_err(), "Evaluate on closed page should fail");

    // Clean up
    browser.close().await.expect("Failed to close browser");
}

// =============================================================================
// Interpolation Tests
// =============================================================================

/// Test js! macro interpolation with various types.
#[tokio::test]
async fn test_js_interpolation_types() {
    init_tracing();

    let browser = Browser::launch()
        .headless(true)
        .launch()
        .await
        .expect("Failed to launch browser");

    let context = browser
        .new_context()
        .await
        .expect("Failed to create context");
    let page = context.new_page().await.expect("Failed to create page");

    // Navigate to a simple page
    page.set_content("<html><body></body></html>")
        .set()
        .await
        .expect("Failed to set content");

    // Test integer interpolation
    let num = 42;
    let result: i32 = page
        .evaluate(&js! { #{num} * 2 })
        .await
        .expect("Failed to evaluate");
    assert_eq!(result, 84);

    // Test float interpolation
    let pi = 3.14159;
    let result: f64 = page
        .evaluate(&js! { Math.round(#{pi} * 100) / 100 })
        .await
        .expect("Failed to evaluate");
    assert!((result - 3.14).abs() < 0.01);

    // Test string interpolation
    let name = "World";
    let result: String = page
        .evaluate(&js! { "Hello, " + #{name} + "!" })
        .await
        .expect("Failed to evaluate");
    assert_eq!(result, "Hello, World!");

    // Test string with special characters
    let special = "it's a \"test\"\nwith newlines";
    let result: String = page
        .evaluate(&js! { #{special} })
        .await
        .expect("Failed to evaluate");
    assert_eq!(result, special);

    // Test boolean interpolation
    let flag = true;
    let result: bool = page
        .evaluate(&js! { #{flag} && true })
        .await
        .expect("Failed to evaluate");
    assert!(result);

    // Test multiple interpolations
    let x = 10;
    let y = 20;
    let result: i32 = page
        .evaluate(&js! { #{x} + #{y} })
        .await
        .expect("Failed to evaluate");
    assert_eq!(result, 30);

    // Clean up
    browser.close().await.expect("Failed to close browser");
}

/// Test js! macro interpolation in function arguments.
#[tokio::test]
async fn test_js_interpolation_function_args() {
    init_tracing();

    let browser = Browser::launch()
        .headless(true)
        .launch()
        .await
        .expect("Failed to launch browser");

    let context = browser
        .new_context()
        .await
        .expect("Failed to create context");
    let page = context.new_page().await.expect("Failed to create page");

    // Navigate to a simple page
    page.set_content("<html><body></body></html>")
        .set()
        .await
        .expect("Failed to set content");

    // Test interpolation as function argument
    // We wrap in void() to avoid returning the array
    let arr = "[1, 2, 3, 4, 5]";
    let _: () = page
        .evaluate(&js! { void(window.testArray = JSON.parse(#{arr})) })
        .await
        .expect("Failed to evaluate");

    // Verify the array was set correctly
    let length: i32 = page
        .evaluate(js! { window.testArray.length })
        .await
        .expect("Failed to get length");
    assert_eq!(length, 5);

    // Test interpolation with object property access
    let key = "testKey";
    let value = "testValue";
    let _: () = page
        .evaluate(&js! { void(window[#{key}] = #{value}) })
        .await
        .expect("Failed to evaluate");

    let retrieved: String = page
        .evaluate(&js! { window[#{key}] })
        .await
        .expect("Failed to get value");
    assert_eq!(retrieved, "testValue");

    // Clean up
    browser.close().await.expect("Failed to close browser");
}

/// Test js! macro with complex expressions.
#[tokio::test]
async fn test_js_interpolation_complex() {
    init_tracing();

    let browser = Browser::launch()
        .headless(true)
        .launch()
        .await
        .expect("Failed to launch browser");

    let context = browser
        .new_context()
        .await
        .expect("Failed to create context");
    let page = context.new_page().await.expect("Failed to create page");

    // Navigate to a simple page
    page.set_content("<html><body></body></html>")
        .set()
        .await
        .expect("Failed to set content");

    // Test with computed values
    let base = 100;
    let multiplier = 5;
    let computed = base * multiplier;
    let result: i32 = page
        .evaluate(&js! { #{computed} })
        .await
        .expect("Failed to evaluate");
    assert_eq!(result, 500);

    // Test with String vs &str
    let owned_string = String::from("owned");
    let result: String = page
        .evaluate(&js! { #{owned_string} })
        .await
        .expect("Failed to evaluate");
    assert_eq!(result, "owned");

    // Clean up
    browser.close().await.expect("Failed to close browser");
}

/// Test js! macro with interpolation.
#[tokio::test]
async fn test_js_evaluate_with_interpolation() {
    init_tracing();

    let browser = Browser::launch()
        .headless(true)
        .launch()
        .await
        .expect("Failed to launch browser");

    let context = browser
        .new_context()
        .await
        .expect("Failed to create context");
    let page = context.new_page().await.expect("Failed to create page");

    page.set_content("<html><body><div id='test'>Hello</div></body></html>")
        .set()
        .await
        .expect("Failed to set content");

    // Interpolate a number
    let multiplier = 5;
    let result: i32 = page
        .evaluate(&js! { 10 * #{multiplier} })
        .await
        .expect("Failed to evaluate with number interpolation");
    assert_eq!(result, 50);

    // Interpolate a string
    let selector = "#test";
    let text: String = page
        .evaluate(&js! { document.querySelector(#{selector}).textContent })
        .await
        .expect("Failed to evaluate with string interpolation");
    assert_eq!(text, "Hello");

    // Interpolate multiple values
    let a = 10;
    let b = 20;
    let sum: i32 = page
        .evaluate(&js! { #{a} + #{b} })
        .await
        .expect("Failed to evaluate with multiple interpolations");
    assert_eq!(sum, 30);

    // Clean up
    browser.close().await.expect("Failed to close browser");
}