Store::assertKeyValueIs() - Code Metrics - Inspection of "Add keyValueContains() method" - Chekote/noun-store - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#7)

by Donald

created 2017-12-11 20:44 UTC

Store::assertKeyValueIs() A

↳ Parent: Store

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	5
nc	2
nop	3
dl	0
loc	9
rs	9.6666
c	0
b	0
f	0

<?php namespace Chekote\NounStore;

use InvalidArgumentException;
use OutOfBoundsException;
use RuntimeException;

class Store
{
    /** @var array */
    protected $nouns;

    const FIRST_ORDINAL = 'st';
    const SECOND_ORDINAL = 'nd';
    const THIRD_ORDINAL = 'rd';
    const FOURTH_THROUGH_NINTH_ORDINAL = 'th';

    /**
     * Asserts that a value has been stored for the specified key.
     *
     * @param  string                   $key   The key to check. @see self::get() for formatting options.
     * @param  int                      $index [optional] The index of the key entry to check. If not specified, the
     *                                         method will ensure that at least one item is stored for the key.
     * @throws OutOfBoundsException     if a value has not been stored for the specified key.
     * @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
     *                                        that does not match the index.
     * @return mixed                    The value.
     */
    public function assertKeyExists($key, $index = null)
    {
        list($key, $index) = $this->parseKey($key, $index);

        if (!$this->keyExists($key, $index)) {
            throw new OutOfBoundsException("Entry '{$this->buildKey($key, $index)}' was not found in the store.");
        }

        return $this->get($key, $index);
    }

    /**
     * Asserts that the key's value matches the specified value.
     *
     * @param  string                   $key   The key to check. @see self::get() for formatting options.
     * @param  mixed                    $value The expected value.
     * @param  int                      $index [optional] The index of the key entry to retrieve. If not specified, the
     *                                         method will check the most recent value stored under the key.
     * @throws OutOfBoundsException     If a value has not been stored for the specified key.
     * @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
     *                                        that does not match the index.
     */
    public function assertKeyValueIs($key, $value, $index = null)
    {
        list($key, $index) = $this->parseKey($key, $index);

        $this->assertKeyExists($key, $index);

        if ($this->get($key, $index) != $value) {
            throw new RuntimeException(
                "Entry '{$this->buildKey($key, $index)}' does not match '" . print_r($value, true) . "'"
            );
        }
    }

    /**
     * Asserts that the key's value contains the specified string.
     *
     * @param  string                   $key   The key to check. @see self::get() for formatting options.
     * @param  string                   $value The value expected to be contained within the key's value.
     * @param  int                      $index [optional] The index of the key entry to retrieve. If not specified, the
     *                                         method will check the most recent value stored under the key.
     * @throws OutOfBoundsException     If a value has not been stored for the specified key.
     * @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
     *                                        that does not match the index.
     */
    public function assertKeyValueContains($key, $value, $index = null)
    {
        list($key, $index) = $this->parseKey($key, $index);

        $this->assertKeyExists($key, $index);

        if (!$this->keyValueContains($key, $value, $index)) {
            throw new RuntimeException(
                "Entry '{$this->buildKey($key, $index)}' does not contain '$value'"
            );
        }
    }

    /**
     * Removes all entries from the store.
     *
     * @return void
     */
    public function reset()
    {
        $this->nouns = [];
    }

    /**
     * Retrieves a value for the specified key.
     *
     * Each key is actually a collection. If you do not specify which item in the collection you want,
     * the method will return the most recent entry. You can specify the entry you want by either
     * using the plain english 1st, 2nd, 3rd etc in the $key param, or by specifying 0, 1, 2 etc in
     * the $index param. For example:
     *
     * Retrieve the most recent entry "Thing" collection:
     *   retrieve("Thing")
     *
     * Retrieve the 1st entry in the "Thing" collection:
     *   retrieve("1st Thing")
     *   retrieve("Thing", 0)
     *
     * Retrieve the 3rd entry in the "Thing" collection:
     *   retrieve("3rd Thing")
     *   retrieve("Thing", 2)
     *
     * Please note: The nth value in the string key is indexed from 1. In that "1st" is the first item stored.
     * The index parameter is indexed from 0. In that 0 is the first item stored.
     *
     * Please Note: If you specify both an $index param and an nth in the $key, they must both reference the same index.
     * If they do not, the method will throw an InvalidArgumentException.
     *
     * retrieve("1st Thing", 1);
     *
     * @param  string                   $key   The key to retrieve the value for. Can be prefixed with an nth descriptor.
     * @param  int                      $index [optional] The index of the key entry to retrieve. If not specified, the
     *                                         method will return the most recent value stored under the key.
     * @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
     *                                        that does not match the index.
     * @return mixed                    The value, or null if no value exists for the specified key/index combination.
     */
    public function get($key, $index = null)
    {
        list($key, $index) = $this->parseKey($key, $index);

        if (!$this->keyExists($key, $index)) {
            return null;
        }

        return $index !== null ? $this->nouns[$key][$index] : end($this->nouns[$key]);
    }

    /**
     * Retrieves all values for the specified key.
     *
     * @param  string               $key The key to retrieve the values for.
     * @throws OutOfBoundsException if the specified $key does not exist in the store.
     * @return array                The values.
     */
    public function getAll($key)
    {
        if (!isset($this->nouns[$key])) {
            throw new OutOfBoundsException("'$key' does not exist in the store");
        }

        return $this->nouns[$key];
    }

    /**
     * Determines if a value has been stored for the specified key.
     *
     * @param  string                   $key   The key to check.
     * @param  int                      $index [optional] The index of the key entry to check. If not specified, the
     *                                         method will ensure that at least one item is stored for the key.
     * @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
     *                                        that does not match the index.
     * @return bool                     True if the a value has been stored, false if not.
     */
    public function keyExists($key, $index = null)
    {
        list($key, $index) = $this->parseKey($key, $index);

        return $index !== null ? isset($this->nouns[$key][$index]) : isset($this->nouns[$key]);
    }

    /**
     * Asserts that the key's value contains the specified string.
     *
     * @param  string                   $key   The key to check. @see self::get() for formatting options.
     * @param  string                   $value The value expected to be contained within the key's value.
     * @param  int                      $index [optional] The index of the key entry to retrieve. If not specified, the
     *                                         method will check the most recent value stored under the key.
     * @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
     *                                        that does not match the index.
     * @return bool                     True if the key's value contains the specified string, false if not.
     */
    public function keyValueContains($key, $value, $index = null) {
        list($key, $index) = $this->parseKey($key, $index);

        $actual = $this->get($key, $index);

        return is_string($actual) && strpos($actual, $value) !== false;
    }

    /**
     * Stores a value for the specified key.
     *
     * @param string $key   The key to store the value under.
     * @param mixed  $value The value to store.
     */
    public function set($key, $value)
    {
        $this->nouns[$key][] = $value;
    }

    /**
     * Parses a key into the separate key and index value.
     *
     * @example parseKey("Item"): ["Item", null]
     * @example parseKey("Item", 1): ["Item", 1]
     * @example parseKey("1st Item"): ["Item", 0]
     * @example parseKey("2nd Item"): ["Item", 1]
     * @example parseKey("3rd Item"): ["Item", 2]
     *
     * @param  string                   $key   the key to parse.
     * @param  int                      $index [optional] the index to return if the key does not contain one.
     * @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
     *                                        that does not match the index.
     * @return array                    a tuple, the 1st being the key with the nth removed, and the 2nd being the
     *                                        index.
     */
    protected function parseKey($key, $index = null)
    {
        if (preg_match('/^([1-9][0-9]*)(?:st|nd|rd|th) (.+)$/', $key, $matches)) {
            if ($index !== null && $index != $matches[1] - 1) {
                throw new InvalidArgumentException(
                    "$index was provided for index param when key '$key' contains an nth value, but they do not match"
                );
            }

            $index = $matches[1] - 1;
            $key = $matches[2];
        }

        return [$key, $index];
    }

    /**
     * Builds a key from it's separate key and index values.
     *
     * @example buildKey("Item", null): "Item"
     * @example buildKey("Item", 0): "1st Item"
     * @example buildKey("Item", 1): "2nd Item"
     * @example buildKey("Item", 2): "3rd Item"
     *
     * @param  string                   $key   The key to check.
     * @param  int                      $index The index (zero indexed) value for the key. If not specified, the method
     *                                         will not add an index notation to the key.
     * @throws InvalidArgumentException if $key is not a string.
     * @throws InvalidArgumentException if $index is not an int.
     * @return string                   the key with the index, or just the key if index is null.
     */
    protected function buildKey($key, $index)
    {
        if ($index === null) {
            return $key;
        }

        $nth = $index + 1;

        return $nth . $this->getOrdinal($nth) . ' ' . $key;
    }

    /**
     * Provides the ordinal notation for the specified nth number.
     *
     * @param  int    $nth the number to determine the ordinal for
     * @return string the ordinal
     */
    protected function getOrdinal($nth)
    {
        switch (substr($nth, -1)) {
            case 1:
                $ordinal = self::FIRST_ORDINAL;
                break;
            case 2:
                $ordinal = self::SECOND_ORDINAL;
                break;
            case 3:
                $ordinal = self::THIRD_ORDINAL;
                break;
            default:
                $ordinal = self::FOURTH_THROUGH_NINTH_ORDINAL;
                break;
        }

        return $ordinal;
    }
}


1			<?php namespace Chekote\NounStore;
2
3			use InvalidArgumentException;
4			use OutOfBoundsException;
5			use RuntimeException;
6
7			class Store
8			{
9			/** @var array */
10			protected $nouns;
11
12			const FIRST_ORDINAL = 'st';
13			const SECOND_ORDINAL = 'nd';
14			const THIRD_ORDINAL = 'rd';
15			const FOURTH_THROUGH_NINTH_ORDINAL = 'th';
16
17			/**
18			* Asserts that a value has been stored for the specified key.
19			*
20			* @param string $key The key to check. @see self::get() for formatting options.
21			* @param int $index [optional] The index of the key entry to check. If not specified, the
22			* method will ensure that at least one item is stored for the key.
23			* @throws OutOfBoundsException if a value has not been stored for the specified key.
24			* @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
25			* that does not match the index.
26			* @return mixed The value.
27			*/
28			public function assertKeyExists($key, $index = null)
29			{
30			list($key, $index) = $this->parseKey($key, $index);
31
32			if (!$this->keyExists($key, $index)) {
33			throw new OutOfBoundsException("Entry '{$this->buildKey($key, $index)}' was not found in the store.");
34			}
35
36			return $this->get($key, $index);
37			}
38
39			/**
40			* Asserts that the key's value matches the specified value.
41			*
42			* @param string $key The key to check. @see self::get() for formatting options.
43			* @param mixed $value The expected value.
44			* @param int $index [optional] The index of the key entry to retrieve. If not specified, the
45			* method will check the most recent value stored under the key.
46			* @throws OutOfBoundsException If a value has not been stored for the specified key.
47			* @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
48			* that does not match the index.
49			*/
50			public function assertKeyValueIs($key, $value, $index = null)
51			{
52			list($key, $index) = $this->parseKey($key, $index);
53
54			$this->assertKeyExists($key, $index);
55
56			if ($this->get($key, $index) != $value) {
57			throw new RuntimeException(
58			"Entry '{$this->buildKey($key, $index)}' does not match '" . print_r($value, true) . "'"
59			);
60			}
61			}
62
63			/**
64			* Asserts that the key's value contains the specified string.
65			*
66			* @param string $key The key to check. @see self::get() for formatting options.
67			* @param string $value The value expected to be contained within the key's value.
68			* @param int $index [optional] The index of the key entry to retrieve. If not specified, the
69			* method will check the most recent value stored under the key.
70			* @throws OutOfBoundsException If a value has not been stored for the specified key.
71			* @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
72			* that does not match the index.
73			*/
74			public function assertKeyValueContains($key, $value, $index = null)
75			{
76			list($key, $index) = $this->parseKey($key, $index);
77
78			$this->assertKeyExists($key, $index);
79
80			if (!$this->keyValueContains($key, $value, $index)) {
81			throw new RuntimeException(
82			"Entry '{$this->buildKey($key, $index)}' does not contain '$value'"
83			);
84			}
85			}
86
87			/**
88			* Removes all entries from the store.
89			*
90			* @return void
91			*/
92			public function reset()
93			{
94			$this->nouns = [];
95			}
96
97			/**
98			* Retrieves a value for the specified key.
99			*
100			* Each key is actually a collection. If you do not specify which item in the collection you want,
101			* the method will return the most recent entry. You can specify the entry you want by either
102			* using the plain english 1st, 2nd, 3rd etc in the $key param, or by specifying 0, 1, 2 etc in
103			* the $index param. For example:
104			*
105			* Retrieve the most recent entry "Thing" collection:
106			* retrieve("Thing")
107			*
108			* Retrieve the 1st entry in the "Thing" collection:
109			* retrieve("1st Thing")
110			* retrieve("Thing", 0)
111			*
112			* Retrieve the 3rd entry in the "Thing" collection:
113			* retrieve("3rd Thing")
114			* retrieve("Thing", 2)
115			*
116			* Please note: The nth value in the string key is indexed from 1. In that "1st" is the first item stored.
117			* The index parameter is indexed from 0. In that 0 is the first item stored.
118			*
119			* Please Note: If you specify both an $index param and an nth in the $key, they must both reference the same index.
120			* If they do not, the method will throw an InvalidArgumentException.
121			*
122			* retrieve("1st Thing", 1);
123			*
124			* @param string $key The key to retrieve the value for. Can be prefixed with an nth descriptor.
125			* @param int $index [optional] The index of the key entry to retrieve. If not specified, the
126			* method will return the most recent value stored under the key.
127			* @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
128			* that does not match the index.
129			* @return mixed The value, or null if no value exists for the specified key/index combination.
130			*/
131			public function get($key, $index = null)
132			{
133			list($key, $index) = $this->parseKey($key, $index);
134
135			if (!$this->keyExists($key, $index)) {
136			return null;
137			}
138
139			return $index !== null ? $this->nouns[$key][$index] : end($this->nouns[$key]);
140			}
141
142			/**
143			* Retrieves all values for the specified key.
144			*
145			* @param string $key The key to retrieve the values for.
146			* @throws OutOfBoundsException if the specified $key does not exist in the store.
147			* @return array The values.
148			*/
149			public function getAll($key)
150			{
151			if (!isset($this->nouns[$key])) {
152			throw new OutOfBoundsException("'$key' does not exist in the store");
153			}
154
155			return $this->nouns[$key];
156			}
157
158			/**
159			* Determines if a value has been stored for the specified key.
160			*
161			* @param string $key The key to check.
162			* @param int $index [optional] The index of the key entry to check. If not specified, the
163			* method will ensure that at least one item is stored for the key.
164			* @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
165			* that does not match the index.
166			* @return bool True if the a value has been stored, false if not.
167			*/
168			public function keyExists($key, $index = null)
169			{
170			list($key, $index) = $this->parseKey($key, $index);
171
172			return $index !== null ? isset($this->nouns[$key][$index]) : isset($this->nouns[$key]);
173			}
174
175			/**
176			* Asserts that the key's value contains the specified string.
177			*
178			* @param string $key The key to check. @see self::get() for formatting options.
179			* @param string $value The value expected to be contained within the key's value.
180			* @param int $index [optional] The index of the key entry to retrieve. If not specified, the
181			* method will check the most recent value stored under the key.
182			* @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
183			* that does not match the index.
184			* @return bool True if the key's value contains the specified string, false if not.
185			*/
186			public function keyValueContains($key, $value, $index = null) {
187			list($key, $index) = $this->parseKey($key, $index);
188
189			$actual = $this->get($key, $index);
190
191			return is_string($actual) && strpos($actual, $value) !== false;
192			}
193
194			/**
195			* Stores a value for the specified key.
196			*
197			* @param string $key The key to store the value under.
198			* @param mixed $value The value to store.
199			*/
200			public function set($key, $value)
201			{
202			$this->nouns[$key][] = $value;
203			}
204
205			/**
206			* Parses a key into the separate key and index value.
207			*
208			* @example parseKey("Item"): ["Item", null]
209			* @example parseKey("Item", 1): ["Item", 1]
210			* @example parseKey("1st Item"): ["Item", 0]
211			* @example parseKey("2nd Item"): ["Item", 1]
212			* @example parseKey("3rd Item"): ["Item", 2]
213			*
214			* @param string $key the key to parse.
215			* @param int $index [optional] the index to return if the key does not contain one.
216			* @throws InvalidArgumentException if both an $index and $key are provided, but the $key contains an nth value
217			* that does not match the index.
218			* @return array a tuple, the 1st being the key with the nth removed, and the 2nd being the
219			* index.
220			*/
221			protected function parseKey($key, $index = null)
222			{
223			if (preg_match('/^([1-9][0-9]*)(?:st\|nd\|rd\|th) (.+)$/', $key, $matches)) {
224			if ($index !== null && $index != $matches[1] - 1) {
225			throw new InvalidArgumentException(
226			"$index was provided for index param when key '$key' contains an nth value, but they do not match"
227			);
228			}
229
230			$index = $matches[1] - 1;
231			$key = $matches[2];
232			}
233
234			return [$key, $index];
235			}
236
237			/**
238			* Builds a key from it's separate key and index values.
239			*
240			* @example buildKey("Item", null): "Item"
241			* @example buildKey("Item", 0): "1st Item"
242			* @example buildKey("Item", 1): "2nd Item"
243			* @example buildKey("Item", 2): "3rd Item"
244			*
245			* @param string $key The key to check.
246			* @param int $index The index (zero indexed) value for the key. If not specified, the method
247			* will not add an index notation to the key.
248			* @throws InvalidArgumentException if $key is not a string.
249			* @throws InvalidArgumentException if $index is not an int.
250			* @return string the key with the index, or just the key if index is null.
251			*/
252			protected function buildKey($key, $index)
253			{
254			if ($index === null) {
255			return $key;
256			}
257
258			$nth = $index + 1;
259
260			return $nth . $this->getOrdinal($nth) . ' ' . $key;
261			}
262
263			/**
264			* Provides the ordinal notation for the specified nth number.
265			*
266			* @param int $nth the number to determine the ordinal for
267			* @return string the ordinal
268			*/
269			protected function getOrdinal($nth)
270			{
271			switch (substr($nth, -1)) {
272			case 1:
273			$ordinal = self::FIRST_ORDINAL;
274			break;
275			case 2:
276			$ordinal = self::SECOND_ORDINAL;
277			break;
278			case 3:
279			$ordinal = self::THIRD_ORDINAL;
280			break;
281			default:
282			$ordinal = self::FOURTH_THROUGH_NINTH_ORDINAL;
283			break;
284			}
285
286			return $ordinal;
287			}
288			}
289

Chekote / noun-store

Pull Request — master (#7)

Store::assertKeyValueIs() A

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