Tools/TestWebKitAPI/Tests/WebKitCocoa/WKWebViewEvaluateJavaScript.mm

/*
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#import "config.h"
#import <WebKit/WKFoundation.h>

#import "PlatformUtilities.h"
#import "Test.h"
#import "TestNavigationDelegate.h"
#import "TestWKWebView.h"
#import <WebKit/WKErrorPrivate.h>
#import <WebKit/WKWebViewPrivate.h>
#import <WebKit/_WKContentWorld.h>
#import <wtf/RetainPtr.h>

static bool isDone;

TEST(WKWebView, EvaluateJavaScriptBlockCrash)
{
    @autoreleasepool {
        RetainPtr<WKWebView> webView = adoptNS([[WKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);

        NSURLRequest *request = [NSURLRequest requestWithURL:[[NSBundle mainBundle] URLForResource:@"simple" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"]];
        [webView loadRequest:request];

        [webView evaluateJavaScript:@"" completionHandler:^(id result, NSError *error) {
            // NOTE: By referencing the request here, we convert the block into a stack block rather than a global block and thus allow the copying of the block
            // in evaluateJavaScript to be meaningful.
            (void)request;
            
            EXPECT_NULL(result);
            EXPECT_NOT_NULL(error);

            isDone = true;
        }];

        // Force the WKWebView to be destroyed to allow evaluateJavaScript's completion handler to be called with an error.
        webView = nullptr;
    }

    isDone = false;
    TestWebKitAPI::Util::run(&isDone);
}

TEST(WKWebView, EvaluateJavaScriptErrorCases)
{
    RetainPtr<WKWebView> webView = adoptNS([[WKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);

    NSURLRequest *request = [NSURLRequest requestWithURL:[[NSBundle mainBundle] URLForResource:@"simple" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"]];
    [webView loadRequest:request];
    [webView _test_waitForDidFinishNavigation];

    [webView evaluateJavaScript:@"document.body" completionHandler:^(id result, NSError *error) {
        EXPECT_NULL(result);
        EXPECT_WK_STREQ(@"WKErrorDomain", [error domain]);
        EXPECT_EQ(WKErrorJavaScriptResultTypeIsUnsupported, [error code]);

        isDone = true;
    }];

    isDone = false;
    TestWebKitAPI::Util::run(&isDone);

    [webView evaluateJavaScript:@"document.body.insertBefore(document, document)" completionHandler:^(id result, NSError *error) {
        EXPECT_NULL(result);
        EXPECT_WK_STREQ(@"WKErrorDomain", [error domain]);
        EXPECT_EQ(WKErrorJavaScriptExceptionOccurred, [error code]);
        EXPECT_NOT_NULL([error.userInfo objectForKey:_WKJavaScriptExceptionMessageErrorKey]);
        EXPECT_GT([[error.userInfo objectForKey:_WKJavaScriptExceptionMessageErrorKey] length], (unsigned long)0);
        EXPECT_EQ(1, [[error.userInfo objectForKey:_WKJavaScriptExceptionLineNumberErrorKey] intValue]);
        EXPECT_EQ(27, [[error.userInfo objectForKey:_WKJavaScriptExceptionColumnNumberErrorKey] intValue]);

        isDone = true;
    }];

    isDone = false;
    TestWebKitAPI::Util::run(&isDone);

    [webView evaluateJavaScript:@"\n\nthrow 'something bad'" completionHandler:^(id result, NSError *error) {
        EXPECT_NULL(result);
        EXPECT_WK_STREQ(@"WKErrorDomain", [error domain]);
        EXPECT_EQ(WKErrorJavaScriptExceptionOccurred, [error code]);
        EXPECT_WK_STREQ(@"something bad", [error.userInfo objectForKey:_WKJavaScriptExceptionMessageErrorKey]);
        EXPECT_EQ(3, [[error.userInfo objectForKey:_WKJavaScriptExceptionLineNumberErrorKey] intValue]);
        EXPECT_EQ(22, [[error.userInfo objectForKey:_WKJavaScriptExceptionColumnNumberErrorKey] intValue]);
        EXPECT_NOT_NULL([error.userInfo objectForKey:_WKJavaScriptExceptionSourceURLErrorKey]);

        isDone = true;
    }];

    isDone = false;
    TestWebKitAPI::Util::run(&isDone);
}

TEST(WKWebView, WKContentWorld)
{
    EXPECT_NULL(_WKContentWorld.pageContentWorld.name);
    EXPECT_NULL(_WKContentWorld.defaultClientWorld.name);
    EXPECT_FALSE(_WKContentWorld.pageContentWorld == _WKContentWorld.defaultClientWorld);

    _WKContentWorld *namedWorld = [_WKContentWorld worldWithName:@"Name"];
    EXPECT_TRUE([namedWorld.name isEqualToString:@"Name"]);
    EXPECT_EQ(namedWorld, [_WKContentWorld worldWithName:@"Name"]);
}

TEST(WKWebView, EvaluateJavaScriptInWorlds)
{
    RetainPtr<TestWKWebView> webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]);
    [webView synchronouslyLoadHTMLString:@"<html></html>"];

    // Set a variable in the main world via "normal" evaluateJavaScript
    isDone = false;
    [webView evaluateJavaScript:@"var foo = 'bar'" completionHandler:^(id result, NSError *error) {
        isDone = true;
    }];
    isDone = false;

    // Verify that value is visible when evaluating in the pageContentWorld
    [webView _evaluateJavaScript:@"foo" inWorld:_WKContentWorld.pageContentWorld completionHandler:^(id result, NSError *error) {
        EXPECT_TRUE([result isKindOfClass:[NSString class]]);
        EXPECT_TRUE([result isEqualToString:@"bar"]);
        isDone = true;
    }];
    isDone = false;

    // Verify that value is not visible when evaluating in the defaultClientWorld
    [webView _evaluateJavaScript:@"foo" inWorld:_WKContentWorld.defaultClientWorld completionHandler:^(id result, NSError *error) {
        EXPECT_NULL(result);
        isDone = true;
    }];
    isDone = false;

    // Verify that value is visible when calling a function in the pageContentWorld
    [webView _callAsyncJavaScriptFunction:@"return foo" withArguments:nil inWorld:_WKContentWorld.pageContentWorld completionHandler:[&] (id result, NSError *error) {
        EXPECT_TRUE([result isKindOfClass:[NSString class]]);
        EXPECT_TRUE([result isEqualToString:@"bar"]);
        isDone = true;
    }];
    isDone = false;

    // Verify that value is not visible when calling a function in the defaultClientWorld
    [webView _callAsyncJavaScriptFunction:@"return foo" withArguments:nil inWorld:_WKContentWorld.defaultClientWorld completionHandler:[&] (id result, NSError *error) {
        EXPECT_NULL(result);
        isDone = true;
    }];
    isDone = false;

    // Set a varibale value in a named world.
    RetainPtr<_WKContentWorld> namedWorld = [_WKContentWorld worldWithName:@"NamedWorld"];
    [webView _evaluateJavaScript:@"var bar = baz" inWorld:namedWorld.get() completionHandler:^(id result, NSError *error) {
        EXPECT_NULL(result);
        isDone = true;
    }];
    isDone = false;

    // Set a global varibale value in a named world via a function call.
    [webView _callAsyncJavaScriptFunction:@"window.baz = bat" withArguments:nil inWorld:namedWorld.get() completionHandler:^(id result, NSError *error) {
        EXPECT_NULL(result);
        EXPECT_NULL(error);
        isDone = true;
    }];
    isDone = false;

    // Verify they are there in that named world.
    [webView _evaluateJavaScript:@"bar" inWorld:namedWorld.get() completionHandler:^(id result, NSError *error) {
        EXPECT_TRUE([result isKindOfClass:[NSString class]]);
        EXPECT_TRUE([result isEqualToString:@"baz"]);
        isDone = true;
    }];
    isDone = false;

    [webView _evaluateJavaScript:@"window.baz" inWorld:namedWorld.get() completionHandler:^(id result, NSError *error) {
        EXPECT_TRUE([result isKindOfClass:[NSString class]]);
        EXPECT_TRUE([result isEqualToString:@"bat"]);
        isDone = true;
    }];
    isDone = false;

    // Verify they aren't there in the defaultClientWorld.
    [webView _evaluateJavaScript:@"bar" inWorld:_WKContentWorld.defaultClientWorld completionHandler:^(id result, NSError *error) {
        EXPECT_NULL(result);
        isDone = true;
    }];
    isDone = false;

    [webView _evaluateJavaScript:@"window.baz" inWorld:_WKContentWorld.defaultClientWorld completionHandler:^(id result, NSError *error) {
        EXPECT_NULL(result);
        isDone = true;
    }];
    isDone = false;

    // Verify they aren't there in the pageContentWorld.
    [webView _evaluateJavaScript:@"bar" inWorld:_WKContentWorld.pageContentWorld completionHandler:^(id result, NSError *error) {
        EXPECT_NULL(result);
        isDone = true;
    }];
    isDone = false;

    [webView _evaluateJavaScript:@"window.baz" inWorld:_WKContentWorld.pageContentWorld completionHandler:^(id result, NSError *error) {
        EXPECT_NULL(result);
        isDone = true;
    }];
    isDone = false;
}