How to test inner arrays with phpunit

Question

I have to test an array with inner arrays.

my array looks like the following.

$testdata=Array
    (
        [0] => Array
            (
                [label] => 'Ammy'
                [idr] => 'user7'
                [rel] => 7
            )

        [1] => Array
            (
                [label] => 'sidh'
                [idr] => user8
                [rel] => 8
            )

        [2] => Array
            (
                [label] => 'Alan'
                [idr] => 'user9'
                [rel] => 9
            )
    )

in this case my requirement is to assert whether the keys for inner array present using assertArrayHasKey() assertion of phpunit. I tried to do it like this

foreach ($testdata as $values) {
 //print_r($values);
  $this->assertArrayHasKey('idr', $values);
  $this->assertArrayHasKey('rel', $values);

}

but this is not working for me. even the control does not go inside the foreach() loop.

please suggest me some solution for this.

If it never makes it to the loop then there is a problem elsewhere and we cant tell only with the code youve posted. Your usage is correct as is. — prodigitalson
– prodigitalson, Commented Sep 12, 2010 at 7:55

sidhartha · Accepted Answer · 2010-09-12 11:45:44Z

5

foreach ($testdata as $values) {
 //print_r($values);
  $this->assertArrayHasKey('idr', $values);
  $this->assertArrayHasKey('rel', $values);

}

this part in my question works fine. actually i was not getting the array itself in the test scenario. so it was not going inside the foreach(). now it is solved. i had a mistake in passing args to the function.

answered Sep 12, 2010 at 11:45

sidhartha

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Comments

Naing Min Khant · Accepted Answer · 2021-09-27 19:45:59Z

This is the example usage

/** Example One */
$testData = [
    [
        'label' => '',
        'idr'   => ''
    ], [
        'label' => '',
        'idr'   => ''
    ], [
        'label' => '',
        'idr'   => ''
    ]
];

$this->assertArrayStructure([
    ['label','idr']
], $testData);



/** Example Two */
$testData = [
    'result' => true,
    'data' => [
        'col_1' => '',
        'col_2' => ''
    ],
];

$this->assertArrayStructure([
    'result', 'data' => ['col_1', 'col_2']
], $testData);



/** Example Three */
$testData = [
    'result' => true,
    'data'   => [
        [
            'col_1' => '',
            'col_2' => ''
        ],
        [
            'col_1' => '',
            'col_2' => ''
        ]
    ],
];

$this->assertArrayStructure([
'result', 'data' => ['col_1', 'col_2']
], $testData, true);

Here is function

/**
 * Like as assertJsonStructure
 *
 * @param array $data
 * @param array $structures #e.g., [ key_1, key_2 => [child_key]]
 * @param bool $dataHasMultiArray #e.g., $data[0][key]
 */
protected function assertArrayStructure(array $structures, array $data, bool $dataHasMultiArray = false)
{
    $i = 0;
    foreach ($structures as $index => $key) {
        if (!is_numeric($index)) {
            $this->assertArrayHasKey($index, $data);
        }
        if (is_string($key)) {
            $this->assertArrayHasKey($key, $data);
        }
        if (is_array($key)) {
            $this->assertArrayHasKeys($key, $dataHasMultiArray ? $data[$index][$i] : $data[$index]);
            $i++;
        }
    }
}

/**
 * @param $structures
 * @param array $data
 */
protected function assertArrayHasKeys($structures, array $data)
{
    foreach ($structures as $key) {
        $this->assertArrayHasKey($key, $data);
    }
}

boroboris · Accepted Answer · 2016-08-18 12:49:14Z

0

You can also use

assertArraySubset()

from: https://phpunit.de/manual/current/en/appendixes.assertions.html#appendixes.assertions.assertArraySubset

another solution is to compare arrays and then check if true:

$arrays_are_equal = ($array1 == $array2); // or === if you want identical
$this->assertTrue($arrays_are_equal);

answered Aug 18, 2016 at 12:49

boroboris

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1 Comment

Calvin Over a year ago

this function has note of this @deprecated github.com/sebastianbergmann/phpunit/issues/3494

Marco Floriano · Accepted Answer · 2022-01-21 14:28:35Z

0

Another option is to test only the first element of the multidimensional Array, like this:

 $this->assertArrayHasKey('idr', $testdata[0]);
 $this->assertArrayHasKey('rel', $testdata[0]);

answered Jan 21, 2022 at 14:28

Marco Floriano

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Comments

John Slegers · Accepted Answer · 2015-09-16 14:02:28Z

-1

I believe that that control is not going inside the foreach loop.

Remove whole :

$testdata= Array
    (
        [0] => Array
            (
                [label] => 'Ammy'
                [idr] => 'user7'
                [rel] => 7
            )

        [1] => Array
            (
                [label] => 'sidh'
                [idr] => user8
                [rel] => 8
            )

        [2] => Array
            (
                [label] => 'Alan'
                [idr] => 'user9'
                [rel] => 9
            )
    )

edited Sep 16, 2015 at 14:02

John Slegers

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answered Sep 12, 2010 at 8:02

Gitesh Dang

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2 Comments

sidhartha Over a year ago

in real case whole is not there. i just kept it here to make it more descriptive. any way i will edit that. can u please suggest whether foreach() be used in phpunit.

sidhartha Over a year ago

thanks everybody for answering. i found the mistake. it is no where related to foreach.rather it was in passing args to function. now foreach() works fine. thank u again to all.

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