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[6.x] Add assertScript() #821

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merged 1 commit into from
Sep 29, 2020
Merged

[6.x] Add assertScript() #821

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19 changes: 19 additions & 0 deletions src/Concerns/MakesAssertions.php
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Original file line number Diff line number Diff line change
Expand Up @@ -868,4 +868,23 @@ public function vueAttribute($componentSelector, $key)
"return document.querySelector('".$fullSelector."').__vue__.".$key
);
}

/**
* Assert that the given JavaScript expression has a given value.
*
* @param string $expression
* @param mixed $expected
* @return $this
*/
public function assertScript($expression, $expected = true)
{
$expression = Str::start($expression, 'return ');

PHPUnit::assertEquals(
$expected, $this->driver->executeScript($expression),
"JavaScript expression [{$expression}] mismatched."
);

return $this;
}
}
31 changes: 31 additions & 0 deletions tests/MakesAssertionsTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -389,4 +389,35 @@ public function test_assert_vue_contains_with_no_result()
);
}
}

public function test_assert_script()
{
$driver = m::mock(stdClass::class);
$driver->shouldReceive('executeScript')->withArgs(['return 1==1'])->andReturn(true);
$driver->shouldReceive('executeScript')->withArgs(['return 1==1'])->andReturn(true);
$driver->shouldReceive('executeScript')->withArgs(['return 1==2'])->andReturn(false);
$driver->shouldReceive('executeScript')->withArgs(["return 'some string'"])->andReturn('some string');

$resolver = m::mock(stdClass::class);

$browser = new Browser($driver, $resolver);

$browser->assertScript('return 1==1');
$browser->assertScript('1==1');
$browser->assertScript("'some string'", 'some string');

try {
$browser->assertScript('1==2');
$this->fail();
} catch (ExpectationFailedException $e) {
$this->assertStringContainsString(
'JavaScript expression [return 1==2] mismatched.',
$e->getMessage()
);
$this->assertStringContainsString(
'Failed asserting that false matches expected true.',
$e->getMessage()
);
}
}
}