QuantityValueTest::testNewFromArray_failure() - Code Metrics - Inspection of "Add tests for QuantityValue::newFromArray" - DataValues/Number - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#77)

by no

created 2016-07-12 14:56 UTC

QuantityValueTest::testNewFromArray_failure() A

↳ Parent: QuantityValueTest

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
c	1
b	0
f	1
dl	0
loc	4
rs	10
cc	1
eloc	3
nc	1
nop	1

<?php

namespace DataValues\Tests;

use DataValues\DecimalValue;
use DataValues\QuantityValue;

/**
 * @covers DataValues\QuantityValue
 *
 * @group DataValue
 * @group DataValueExtensions
 *
 * @license GPL-2.0+
 * @author Daniel Kinzler
 */
class QuantityValueTest extends DataValueTest {

	/**
	 * @see DataValueTest::getClass
	 *
	 * @return string
	 */
	public function getClass() {
		return 'DataValues\QuantityValue';
	}

	public function validConstructorArgumentsProvider() {
		$argLists = array();

		$argLists[] = array( new DecimalValue( '+42' ), '1', new DecimalValue( '+42' ), new DecimalValue( '+42' ) );
		$argLists[] = array( new DecimalValue( '+0.01' ), '1', new DecimalValue( '+0.02' ), new DecimalValue( '+0.0001' ) );
		$argLists[] = array( new DecimalValue( '-0.5' ), '1', new DecimalValue( '+0.02' ), new DecimalValue( '-0.7' ) );

		return $argLists;
	}

	public function invalidConstructorArgumentsProvider() {
		$argLists = array();

		$argLists[] = array( new DecimalValue( '+0' ), '', new DecimalValue( '+0' ), new DecimalValue( '+0' ) );
		$argLists[] = array( new DecimalValue( '+0' ), 1, new DecimalValue( '+0' ), new DecimalValue( '+0' ) );

		$argLists[] = array( new DecimalValue( '+0' ), '1', new DecimalValue( '-0.001' ), new DecimalValue( '-1' ) );
		$argLists[] = array( new DecimalValue( '+0' ), '1', new DecimalValue( '+1' ), new DecimalValue( '+0.001' ) );

		return $argLists;
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetValue( QuantityValue $quantity, array $arguments ) {
		$this->assertInstanceOf( $this->getClass(), $quantity->getValue() );
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetAmount( QuantityValue $quantity, array $arguments ) {
		$this->assertEquals( $arguments[0], $quantity->getAmount() );
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetUnit( QuantityValue $quantity, array $arguments ) {
		$this->assertEquals( $arguments[1], $quantity->getUnit() );
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetUpperBound( QuantityValue $quantity, array $arguments ) {
		$this->assertEquals( $arguments[2], $quantity->getUpperBound() );
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetLowerBound( QuantityValue $quantity, array $arguments ) {
		$this->assertEquals( $arguments[3], $quantity->getLowerBound() );
	}

	/**
	 * @dataProvider newFromNumberProvider
	 */
	public function testNewFromNumber( $amount, $unit, $upperBound, $lowerBound, QuantityValue $expected ) {
		$quantity = QuantityValue::newFromNumber( $amount, $unit, $upperBound, $lowerBound );

		$this->assertEquals( $expected->getAmount()->getValue(), $quantity->getAmount()->getValue() );
		$this->assertEquals( $expected->getUpperBound()->getValue(), $quantity->getUpperBound()->getValue() );
		$this->assertEquals( $expected->getLowerBound()->getValue(), $quantity->getLowerBound()->getValue() );
	}

	public function newFromNumberProvider() {
		return array(
			array(
				42, '1', null, null,
				new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( '+42' ), new DecimalValue( '+42' ) )
			),
			array(
				-0.05, '1', null, null,
				new QuantityValue( new DecimalValue( '-0.05' ), '1', new DecimalValue( '-0.05' ), new DecimalValue( '-0.05' ) )
			),
			array(
				0, 'm', 0.5, -0.5,
				new QuantityValue( new DecimalValue( '+0' ), 'm', new DecimalValue( '+0.5' ), new DecimalValue( '-0.5' ) )
			),
			array(
				'+23', '1', null, null,
				new QuantityValue( new DecimalValue( '+23' ), '1', new DecimalValue( '+23' ), new DecimalValue( '+23' ) )
			),
			array(
				'+42', '1', '+43', '+41',
				new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( '+43' ), new DecimalValue( '+41' ) )
			),
			array(
				'-0.05', 'm', '-0.04', '-0.06',
				new QuantityValue( new DecimalValue( '-0.05' ), 'm', new DecimalValue( '-0.04' ), new DecimalValue( '-0.06' ) )
			),
			array(
				new DecimalValue( '+42' ), '1', new DecimalValue( 43 ), new DecimalValue( 41.0 ),
				new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( 43 ), new DecimalValue( 41.0 ) )
			),
		);
	}

	/**
	 * @dataProvider validArraySerializationProvider
	 */
	public function testNewFromArray( $data, QuantityValue $expected ) {
		$value = QuantityValue::newFromArray( $data );
		$this->assertTrue( $expected->equals( $value ), $value . ' should equal ' . $expected );
	}

	public function validArraySerializationProvider() {
		return array(
			'complete' => array(
				array(
					'amount' => '+2',
					'unit' => '1',
					'upperBound' => '+2.5',
					'lowerBound' => '+1.5',
				),
				QuantityValue::newFromNumber( '+2', '1', '+2.5', '+1.5' )
			),
		);
	}

	/**
	 * @dataProvider invalidArraySerializationProvider
	 */
	public function testNewFromArray_failure( $data ) {
		$this->setExpectedException( 'DataValues\IllegalValueException' );
		QuantityValue::newFromArray( $data );
	}

	public function invalidArraySerializationProvider() {
		return array(
			'no-amount' => array(
				array(
					'unit' => '1',
					'upperBound' => '+2.5',
					'lowerBound' => '+1.5',
				)
			),
			'no-unit' => array(
				array(
					'amount' => '+2',
					'upperBound' => '+2.5',
					'lowerBound' => '+1.5',
				)
			),
			'no-upperBound' => array(
				array(
					'amount' => '+2',
					'unit' => '1',
					'lowerBound' => '+1.5',
				)
			),
			'no-lowerBound' => array(
				array(
					'amount' => '+2',
					'unit' => '1',
					'upperBound' => '+2.5',
				)
			),
			'bad-amount' => array(
				array(
					'amount' => 'x',
					'unit' => '1',
					'upperBound' => '+2.5',
					'lowerBound' => '+1.5',
				)
			),
			'bad-upperBound' => array(
				array(
					'amount' => '+2',
					'unit' => '1',
					'upperBound' => 'x',
					'lowerBound' => '+1.5',
				)
			),
			'bad-lowerBound' => array(
				array(
					'amount' => '+2',
					'unit' => '1',
					'upperBound' => '+2.5',
					'lowerBound' => 'x',
				)
			),
		);
	}

	/**
	 * @see https://phabricator.wikimedia.org/T110728
	 * @see http://www.regular-expressions.info/anchors.html#realend
	 */
	public function testTrailingNewlineRobustness() {
		$value = QuantityValue::newFromArray( array(
			'amount' => "-0.0\n",
			'unit' => "1\n",
			'upperBound' => "-0.0\n",
			'lowerBound' => "-0.0\n",
		) );

		$this->assertSame( array(
			'amount' => '+0.0',
			'unit' => "1\n",
			'upperBound' => '+0.0',
			'lowerBound' => '+0.0',
		), $value->getArrayValue() );
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetSortKey( QuantityValue $quantity ) {
		$this->assertEquals( $quantity->getAmount()->getValueFloat(), $quantity->getSortKey() );
	}

	/**
	 * @dataProvider getUncertaintyProvider
	 */
	public function testGetUncertainty( QuantityValue $quantity, $expected ) {
		$actual = $quantity->getUncertainty();

		// floats are wonkey, accept small differences here
		$this->assertTrue( abs( $actual - $expected ) < 0.000000001, "expected $expected, got $actual" );
	}

	public function getUncertaintyProvider() {
		return array(
			array( QuantityValue::newFromNumber( '+0', '1', '+0', '+0' ), 0 ),

			array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), 2 ),
			array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), 0.02 ),
			array( QuantityValue::newFromNumber( '+100', '1', '+101', '+99' ), 2 ),
			array( QuantityValue::newFromNumber( '+100.0', '1', '+100.1', '+99.9' ), 0.2 ),
			array( QuantityValue::newFromNumber( '+12.34', '1', '+12.35', '+12.33' ), 0.02 ),

			array( QuantityValue::newFromNumber( '+0', '1', '+0.2', '-0.6' ), 0.8 ),
			array( QuantityValue::newFromNumber( '+7.3', '1', '+7.7', '+5.2' ), 2.5 ),
		);
	}

	/**
	 * @dataProvider getUncertaintyMarginProvider
	 */
	public function testGetUncertaintyMargin( QuantityValue $quantity, $expected ) {
		$actual = $quantity->getUncertaintyMargin();

		$this->assertEquals( $expected, $actual->getValue() );
	}

	public function getUncertaintyMarginProvider() {
		return array(
			array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), '+1' ),
			array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), '+0.01' ),

			array( QuantityValue::newFromNumber( '-1', '1', '-1', '-1' ), '+0' ),

			array( QuantityValue::newFromNumber( '+0', '1', '+0.2', '-0.6' ), '+0.6' ),
			array( QuantityValue::newFromNumber( '+7.5', '1', '+7.5', '+5.5' ), '+2' ),
			array( QuantityValue::newFromNumber( '+11.5', '1', '+15', '+10.5' ), '+3.5' ),
		);
	}

	/**
	 * @dataProvider getOrderOfUncertaintyProvider
	 */
	public function testGetOrderOfUncertainty( QuantityValue $quantity, $expected ) {
		$actual = $quantity->getOrderOfUncertainty();

		$this->assertEquals( $expected, $actual );
	}

	public function getOrderOfUncertaintyProvider() {
		return array(
			0 => array( QuantityValue::newFromNumber( '+0' ), 0 ),
			1 => array( QuantityValue::newFromNumber( '-123' ), 0 ),
			2 => array( QuantityValue::newFromNumber( '-1.23' ), -2 ),

			10 => array( QuantityValue::newFromNumber( '-100', '1', '-99', '-101' ), 0 ),
			11 => array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), -2 ),
			12 => array( QuantityValue::newFromNumber( '-117.3', '1', '-117.2', '-117.4' ), -1 ),

			20 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.97' ), -2 ),
			21 => array( QuantityValue::newFromNumber( '-0.002', '1', '-0.001', '-0.004' ), -3 ),
			22 => array( QuantityValue::newFromNumber( '-0.002', '1', '+0.001', '-0.06' ), -3 ),
			23 => array( QuantityValue::newFromNumber( '-21', '1', '+1.1', '-120' ), 1 ),
			24 => array( QuantityValue::newFromNumber( '-2', '1', '+1.1', '-120' ), 0 ),
			25 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900.03' ), 1 ),
			26 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900' ), 2 ),
		);
	}

	/**
	 * @dataProvider transformProvider
	 */
	public function testTransform( QuantityValue $quantity, $transformation, QuantityValue $expected ) {
		$args = func_get_args();
		$extraArgs = array_slice( $args, 3 );

		$call = array( $quantity, 'transform' );
		$callArgs = array_merge( array( 'x', $transformation ), $extraArgs );
		$actual = call_user_func_array( $call, $callArgs );

		$this->assertEquals( 'x', $actual->getUnit() );
		$this->assertEquals( $expected->getAmount()->getValue(), $actual->getAmount()->getValue(), 'value' );
		$this->assertEquals( $expected->getUpperBound()->getValue(), $actual->getUpperBound()->getValue(), 'upper bound' );
		$this->assertEquals( $expected->getLowerBound()->getValue(), $actual->getLowerBound()->getValue(), 'lower bound' );
	}

	public function transformProvider() {
		$identity = function ( DecimalValue $value ) {
			return $value;
		};

		$square = function ( DecimalValue $value ) {
			$v = $value->getValueFloat();
			return new DecimalValue( $v * $v * $v );
		};

		$scale = function ( DecimalValue $value, $factor ) {
			return new DecimalValue( $value->getValueFloat() * $factor );
		};

		return array(
			 0 => array( QuantityValue::newFromNumber( '+10',   '1', '+11',  '+9' ),   $identity, QuantityValue::newFromNumber(   '+10',    '?',   '+11',    '+9' ) ),
			 1 => array( QuantityValue::newFromNumber(  '-0.5', '1', '-0.4', '-0.6' ), $identity, QuantityValue::newFromNumber(    '-0.5',  '?',    '-0.4',  '-0.6' ) ),
			 2 => array( QuantityValue::newFromNumber(  '+0',   '1', '+1',   '-1' ),   $square,   QuantityValue::newFromNumber(    '+0',    '?',    '+1',    '-1' ) ),
			 3 => array( QuantityValue::newFromNumber( '+10',   '1', '+11',  '+9' ),   $square,   QuantityValue::newFromNumber( '+1000',    '?', '+1300',  '+700' ) ), // note how rounding applies to bounds
			 4 => array( QuantityValue::newFromNumber(  '+0.5', '1', '+0.6', '+0.4' ), $scale,    QuantityValue::newFromNumber(    '+0.25', '?',    '+0.3',  '+0.2' ), 0.5 ),

			// note: absolutely exact values require conversion with infinite precision!
			10 => array( QuantityValue::newFromNumber( '+100', '1', '+100',   '+100' ),    $scale, QuantityValue::newFromNumber( '+12825.0', '?', '+12825.0', '+12825.0' ), 128.25 ),

			11 => array( QuantityValue::newFromNumber( '+100', '1', '+110',    '+90' ),    $scale, QuantityValue::newFromNumber( '+330',    '?', '+370',    '+300' ), 3.3333 ),
			12 => array( QuantityValue::newFromNumber( '+100', '1', '+100.1',  '+99.9' ),  $scale, QuantityValue::newFromNumber( '+333.3',  '?', '+333.7',  '+333.0' ), 3.3333 ),
			13 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.99' ), $scale, QuantityValue::newFromNumber( '+333.33', '?', '+333.36', '+333.30' ), 3.3333 ),
		);
	}

}


1			<?php
2
3			namespace DataValues\Tests;
4
5			use DataValues\DecimalValue;
6			use DataValues\QuantityValue;
7
8			/**
9			* @covers DataValues\QuantityValue
10			*
11			* @group DataValue
12			* @group DataValueExtensions
13			*
14			* @license GPL-2.0+
15			* @author Daniel Kinzler
16			*/
17			class QuantityValueTest extends DataValueTest {
18
19			/**
20			* @see DataValueTest::getClass
21			*
22			* @return string
23			*/
24			public function getClass() {
25			return 'DataValues\QuantityValue';
26			}
27
28			public function validConstructorArgumentsProvider() {
29			$argLists = array();
30
31			$argLists[] = array( new DecimalValue( '+42' ), '1', new DecimalValue( '+42' ), new DecimalValue( '+42' ) );
32			$argLists[] = array( new DecimalValue( '+0.01' ), '1', new DecimalValue( '+0.02' ), new DecimalValue( '+0.0001' ) );
33			$argLists[] = array( new DecimalValue( '-0.5' ), '1', new DecimalValue( '+0.02' ), new DecimalValue( '-0.7' ) );
34
35			return $argLists;
36			}
37
38			public function invalidConstructorArgumentsProvider() {
39			$argLists = array();
40
41			$argLists[] = array( new DecimalValue( '+0' ), '', new DecimalValue( '+0' ), new DecimalValue( '+0' ) );
42			$argLists[] = array( new DecimalValue( '+0' ), 1, new DecimalValue( '+0' ), new DecimalValue( '+0' ) );
43
44			$argLists[] = array( new DecimalValue( '+0' ), '1', new DecimalValue( '-0.001' ), new DecimalValue( '-1' ) );
45			$argLists[] = array( new DecimalValue( '+0' ), '1', new DecimalValue( '+1' ), new DecimalValue( '+0.001' ) );
46
47			return $argLists;
48			}
49
50			/**
51			* @dataProvider instanceProvider
52			*/
53			public function testGetValue( QuantityValue $quantity, array $arguments ) {
54			$this->assertInstanceOf( $this->getClass(), $quantity->getValue() );
55			}
56
57			/**
58			* @dataProvider instanceProvider
59			*/
60			public function testGetAmount( QuantityValue $quantity, array $arguments ) {
61			$this->assertEquals( $arguments[0], $quantity->getAmount() );
62			}
63
64			/**
65			* @dataProvider instanceProvider
66			*/
67			public function testGetUnit( QuantityValue $quantity, array $arguments ) {
68			$this->assertEquals( $arguments[1], $quantity->getUnit() );
69			}
70
71			/**
72			* @dataProvider instanceProvider
73			*/
74			public function testGetUpperBound( QuantityValue $quantity, array $arguments ) {
75			$this->assertEquals( $arguments[2], $quantity->getUpperBound() );
76			}
77
78			/**
79			* @dataProvider instanceProvider
80			*/
81			public function testGetLowerBound( QuantityValue $quantity, array $arguments ) {
82			$this->assertEquals( $arguments[3], $quantity->getLowerBound() );
83			}
84
85			/**
86			* @dataProvider newFromNumberProvider
87			*/
88			public function testNewFromNumber( $amount, $unit, $upperBound, $lowerBound, QuantityValue $expected ) {
89			$quantity = QuantityValue::newFromNumber( $amount, $unit, $upperBound, $lowerBound );
90
91			$this->assertEquals( $expected->getAmount()->getValue(), $quantity->getAmount()->getValue() );
92			$this->assertEquals( $expected->getUpperBound()->getValue(), $quantity->getUpperBound()->getValue() );
93			$this->assertEquals( $expected->getLowerBound()->getValue(), $quantity->getLowerBound()->getValue() );
94			}
95
96			public function newFromNumberProvider() {
97			return array(
98			array(
99			42, '1', null, null,
100			new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( '+42' ), new DecimalValue( '+42' ) )
101			),
102			array(
103			-0.05, '1', null, null,
104			new QuantityValue( new DecimalValue( '-0.05' ), '1', new DecimalValue( '-0.05' ), new DecimalValue( '-0.05' ) )
105			),
106			array(
107			0, 'm', 0.5, -0.5,
108			new QuantityValue( new DecimalValue( '+0' ), 'm', new DecimalValue( '+0.5' ), new DecimalValue( '-0.5' ) )
109			),
110			array(
111			'+23', '1', null, null,
112			new QuantityValue( new DecimalValue( '+23' ), '1', new DecimalValue( '+23' ), new DecimalValue( '+23' ) )
113			),
114			array(
115			'+42', '1', '+43', '+41',
116			new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( '+43' ), new DecimalValue( '+41' ) )
117			),
118			array(
119			'-0.05', 'm', '-0.04', '-0.06',
120			new QuantityValue( new DecimalValue( '-0.05' ), 'm', new DecimalValue( '-0.04' ), new DecimalValue( '-0.06' ) )
121			),
122			array(
123			new DecimalValue( '+42' ), '1', new DecimalValue( 43 ), new DecimalValue( 41.0 ),
124			new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( 43 ), new DecimalValue( 41.0 ) )
125			),
126			);
127			}
128
129			/**
130			* @dataProvider validArraySerializationProvider
131			*/
132			public function testNewFromArray( $data, QuantityValue $expected ) {
133			$value = QuantityValue::newFromArray( $data );
134			$this->assertTrue( $expected->equals( $value ), $value . ' should equal ' . $expected );
135			}
136
137			public function validArraySerializationProvider() {
138			return array(
139			'complete' => array(
140			array(
141			'amount' => '+2',
142			'unit' => '1',
143			'upperBound' => '+2.5',
144			'lowerBound' => '+1.5',
145			),
146			QuantityValue::newFromNumber( '+2', '1', '+2.5', '+1.5' )
147			),
148			);
149			}
150
151			/**
152			* @dataProvider invalidArraySerializationProvider
153			*/
154			public function testNewFromArray_failure( $data ) {
155			$this->setExpectedException( 'DataValues\IllegalValueException' );
156			QuantityValue::newFromArray( $data );
157			}
158
159			public function invalidArraySerializationProvider() {
160			return array(
161			'no-amount' => array(
162			array(
163			'unit' => '1',
164			'upperBound' => '+2.5',
165			'lowerBound' => '+1.5',
166			)
167			),
168			'no-unit' => array(
169			array(
170			'amount' => '+2',
171			'upperBound' => '+2.5',
172			'lowerBound' => '+1.5',
173			)
174			),
175			'no-upperBound' => array(
176			array(
177			'amount' => '+2',
178			'unit' => '1',
179			'lowerBound' => '+1.5',
180			)
181			),
182			'no-lowerBound' => array(
183			array(
184			'amount' => '+2',
185			'unit' => '1',
186			'upperBound' => '+2.5',
187			)
188			),
189			'bad-amount' => array(
190			array(
191			'amount' => 'x',
192			'unit' => '1',
193			'upperBound' => '+2.5',
194			'lowerBound' => '+1.5',
195			)
196			),
197			'bad-upperBound' => array(
198			array(
199			'amount' => '+2',
200			'unit' => '1',
201			'upperBound' => 'x',
202			'lowerBound' => '+1.5',
203			)
204			),
205			'bad-lowerBound' => array(
206			array(
207			'amount' => '+2',
208			'unit' => '1',
209			'upperBound' => '+2.5',
210			'lowerBound' => 'x',
211			)
212			),
213			);
214			}
215
216			/**
217			* @see https://phabricator.wikimedia.org/T110728
218			* @see http://www.regular-expressions.info/anchors.html#realend
219			*/
220			public function testTrailingNewlineRobustness() {
221			$value = QuantityValue::newFromArray( array(
222			'amount' => "-0.0\n",
223			'unit' => "1\n",
224			'upperBound' => "-0.0\n",
225			'lowerBound' => "-0.0\n",
226			) );
227
228			$this->assertSame( array(
229			'amount' => '+0.0',
230			'unit' => "1\n",
231			'upperBound' => '+0.0',
232			'lowerBound' => '+0.0',
233			), $value->getArrayValue() );
234			}
235
236			/**
237			* @dataProvider instanceProvider
238			*/
239			public function testGetSortKey( QuantityValue $quantity ) {
240			$this->assertEquals( $quantity->getAmount()->getValueFloat(), $quantity->getSortKey() );
241			}
242
243			/**
244			* @dataProvider getUncertaintyProvider
245			*/
246			public function testGetUncertainty( QuantityValue $quantity, $expected ) {
247			$actual = $quantity->getUncertainty();
248
249			// floats are wonkey, accept small differences here
250			$this->assertTrue( abs( $actual - $expected ) < 0.000000001, "expected $expected, got $actual" );
251			}
252
253			public function getUncertaintyProvider() {
254			return array(
255			array( QuantityValue::newFromNumber( '+0', '1', '+0', '+0' ), 0 ),
256
257			array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), 2 ),
258			array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), 0.02 ),
259			array( QuantityValue::newFromNumber( '+100', '1', '+101', '+99' ), 2 ),
260			array( QuantityValue::newFromNumber( '+100.0', '1', '+100.1', '+99.9' ), 0.2 ),
261			array( QuantityValue::newFromNumber( '+12.34', '1', '+12.35', '+12.33' ), 0.02 ),
262
263			array( QuantityValue::newFromNumber( '+0', '1', '+0.2', '-0.6' ), 0.8 ),
264			array( QuantityValue::newFromNumber( '+7.3', '1', '+7.7', '+5.2' ), 2.5 ),
265			);
266			}
267
268			/**
269			* @dataProvider getUncertaintyMarginProvider
270			*/
271			public function testGetUncertaintyMargin( QuantityValue $quantity, $expected ) {
272			$actual = $quantity->getUncertaintyMargin();
273
274			$this->assertEquals( $expected, $actual->getValue() );
275			}
276
277			public function getUncertaintyMarginProvider() {
278			return array(
279			array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), '+1' ),
280			array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), '+0.01' ),
281
282			array( QuantityValue::newFromNumber( '-1', '1', '-1', '-1' ), '+0' ),
283
284			array( QuantityValue::newFromNumber( '+0', '1', '+0.2', '-0.6' ), '+0.6' ),
285			array( QuantityValue::newFromNumber( '+7.5', '1', '+7.5', '+5.5' ), '+2' ),
286			array( QuantityValue::newFromNumber( '+11.5', '1', '+15', '+10.5' ), '+3.5' ),
287			);
288			}
289
290			/**
291			* @dataProvider getOrderOfUncertaintyProvider
292			*/
293			public function testGetOrderOfUncertainty( QuantityValue $quantity, $expected ) {
294			$actual = $quantity->getOrderOfUncertainty();
295
296			$this->assertEquals( $expected, $actual );
297			}
298
299			public function getOrderOfUncertaintyProvider() {
300			return array(
301			0 => array( QuantityValue::newFromNumber( '+0' ), 0 ),
302			1 => array( QuantityValue::newFromNumber( '-123' ), 0 ),
303			2 => array( QuantityValue::newFromNumber( '-1.23' ), -2 ),
304
305			10 => array( QuantityValue::newFromNumber( '-100', '1', '-99', '-101' ), 0 ),
306			11 => array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), -2 ),
307			12 => array( QuantityValue::newFromNumber( '-117.3', '1', '-117.2', '-117.4' ), -1 ),
308
309			20 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.97' ), -2 ),
310			21 => array( QuantityValue::newFromNumber( '-0.002', '1', '-0.001', '-0.004' ), -3 ),
311			22 => array( QuantityValue::newFromNumber( '-0.002', '1', '+0.001', '-0.06' ), -3 ),
312			23 => array( QuantityValue::newFromNumber( '-21', '1', '+1.1', '-120' ), 1 ),
313			24 => array( QuantityValue::newFromNumber( '-2', '1', '+1.1', '-120' ), 0 ),
314			25 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900.03' ), 1 ),
315			26 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900' ), 2 ),
316			);
317			}
318
319			/**
320			* @dataProvider transformProvider
321			*/
322			public function testTransform( QuantityValue $quantity, $transformation, QuantityValue $expected ) {
323			$args = func_get_args();
324			$extraArgs = array_slice( $args, 3 );
325
326			$call = array( $quantity, 'transform' );
327			$callArgs = array_merge( array( 'x', $transformation ), $extraArgs );
328			$actual = call_user_func_array( $call, $callArgs );
329
330			$this->assertEquals( 'x', $actual->getUnit() );
331			$this->assertEquals( $expected->getAmount()->getValue(), $actual->getAmount()->getValue(), 'value' );
332			$this->assertEquals( $expected->getUpperBound()->getValue(), $actual->getUpperBound()->getValue(), 'upper bound' );
333			$this->assertEquals( $expected->getLowerBound()->getValue(), $actual->getLowerBound()->getValue(), 'lower bound' );
334			}
335
336			public function transformProvider() {
337			$identity = function ( DecimalValue $value ) {
338			return $value;
339			};
340
341			$square = function ( DecimalValue $value ) {
342			$v = $value->getValueFloat();
343			return new DecimalValue( $v * $v * $v );
344			};
345
346			$scale = function ( DecimalValue $value, $factor ) {
347			return new DecimalValue( $value->getValueFloat() * $factor );
348			};
349
350			return array(
351			0 => array( QuantityValue::newFromNumber( '+10', '1', '+11', '+9' ), $identity, QuantityValue::newFromNumber( '+10', '?', '+11', '+9' ) ),
352			1 => array( QuantityValue::newFromNumber( '-0.5', '1', '-0.4', '-0.6' ), $identity, QuantityValue::newFromNumber( '-0.5', '?', '-0.4', '-0.6' ) ),
353			2 => array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), $square, QuantityValue::newFromNumber( '+0', '?', '+1', '-1' ) ),
354			3 => array( QuantityValue::newFromNumber( '+10', '1', '+11', '+9' ), $square, QuantityValue::newFromNumber( '+1000', '?', '+1300', '+700' ) ), // note how rounding applies to bounds
355			4 => array( QuantityValue::newFromNumber( '+0.5', '1', '+0.6', '+0.4' ), $scale, QuantityValue::newFromNumber( '+0.25', '?', '+0.3', '+0.2' ), 0.5 ),
356
357			// note: absolutely exact values require conversion with infinite precision!
358			10 => array( QuantityValue::newFromNumber( '+100', '1', '+100', '+100' ), $scale, QuantityValue::newFromNumber( '+12825.0', '?', '+12825.0', '+12825.0' ), 128.25 ),
359
360			11 => array( QuantityValue::newFromNumber( '+100', '1', '+110', '+90' ), $scale, QuantityValue::newFromNumber( '+330', '?', '+370', '+300' ), 3.3333 ),
361			12 => array( QuantityValue::newFromNumber( '+100', '1', '+100.1', '+99.9' ), $scale, QuantityValue::newFromNumber( '+333.3', '?', '+333.7', '+333.0' ), 3.3333 ),
362			13 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.99' ), $scale, QuantityValue::newFromNumber( '+333.33', '?', '+333.36', '+333.30' ), 3.3333 ),
363			);
364			}
365
366			}
367

DataValues / Number

Pull Request — master (#77)

QuantityValueTest::testNewFromArray_failure() A

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