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<?php |
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namespace Graze\ArrayMerger\Test\Unit; |
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use Graze\ArrayMerger\ArrayMerger; |
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use Graze\ArrayMerger\Test\TestCase; |
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use Graze\ArrayMerger\ValueMerger\FirstNonNullValue; |
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use Graze\ArrayMerger\ValueMerger\FirstValue; |
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use Graze\ArrayMerger\ValueMerger\LastNonNullValue; |
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use Graze\ArrayMerger\ValueMerger\LastValue; |
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class ArrayMergerTest extends TestCase |
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{ |
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public function testSingleArrayReturnsTheArray() |
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{ |
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$merger = new ArrayMerger(); |
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$this->assertEquals( |
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['a' => 1, 'b' => 2], |
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$merger->merge(['a' => 1, 'b' => 2]) |
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); |
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} |
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public function testDefaultFunctionality() |
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{ |
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$a = ['first' => 1, 'second' => 2]; |
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$b = ['first' => 'a', 'second' => 'b']; |
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$merger = new ArrayMerger(); |
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$this->assertEquals( |
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['first' => 'a', 'second' => 'b'], |
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$merger->merge($a, $b), |
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"Expected second result from merge" |
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); |
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$c = ['first' => 'c']; |
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$this->assertEquals(['first' => 'c', 'second' => 2], $merger->merge($a, $c), "Expected Merge of 'a' and 'c'"); |
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} |
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public function testNullsAreValuesWhenSecond() |
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{ |
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$a = ['first' => 1, 'second' => 2]; |
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$b = ['first' => 'a', 'second' => null]; |
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$merger = new ArrayMerger(); |
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$this->assertEquals( |
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['first' => 'a', 'second' => null], |
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$merger->merge($a, $b), |
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"Expected second result from merge" |
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); |
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} |
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public function testNullsAreValuesWhenFirst() |
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{ |
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$a = ['first' => null, 'second' => 2]; |
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$b = ['first' => 'a', 'second' => null]; |
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$merger = new ArrayMerger(new FirstValue()); |
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$this->assertEquals( |
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['first' => null, 'second' => 2], |
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$merger->merge($a, $b), |
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"Expected first result from merge" |
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); |
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} |
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public function testSequentialTopLevelArraysAreAppended() |
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{ |
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$a = ['first', 'second']; |
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$b = ['third', 'fourth']; |
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$merger = new ArrayMerger(new FirstValue()); |
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$this->assertEquals( |
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['first', 'second', 'third', 'fourth'], |
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$merger->merge($a, $b), |
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"Expected appended array" |
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); |
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$merger = new ArrayMerger(new FirstValue(), ArrayMerger::FLAG_MERGE_VALUE_ARRAY); |
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$this->assertEquals( |
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['first', 'second'], |
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$merger->merge($a, $b), |
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"Expected a non appended array when the flag is not set" |
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); |
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} |
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public function testSequentialChildArraysAreNotAppendedBecauseThisIsNotRecursive() |
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{ |
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$a = ['first' => ['a', 'c', 'd'], 'second' => 2]; |
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$b = ['first' => ['b', 'e'], 'second' => null]; |
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$merger = new ArrayMerger(new LastValue()); |
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$this->assertEquals( |
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['first' => ['b', 'e'], 'second' => null], |
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$merger->merge($a, $b), |
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"Expected appended child array" |
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); |
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$merger = new ArrayMerger(new LastValue(), ArrayMerger::FLAG_MERGE_VALUE_ARRAY); |
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$this->assertEquals( |
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['first' => ['b', 'e'], 'second' => null], |
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$merger->merge($a, $b), |
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"Expected merged child array" |
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); |
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} |
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public function testSequentialTopLevelArraysCanBeUnique() |
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{ |
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$a = ['first', 'second']; |
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$b = ['second', 'third']; |
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$merger = new ArrayMerger(new FirstValue()); |
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$this->assertEquals( |
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['first', 'second', 'second', 'third'], |
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$merger->merge($a, $b), |
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"Expected duplicated second value" |
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); |
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$merger = new ArrayMerger(new FirstValue(), ArrayMerger::FLAG_UNIQUE_VALUE_ARRAY); |
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$this->assertEquals( |
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['first', 'second', 'third'], |
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$merger->merge($a, $b), |
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"Expected unique output" |
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); |
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} |
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public function testNonRecursiveFunctionality() |
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{ |
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$a = ['first' => 1, 'second' => ['a' => 2, 'b' => 3]]; |
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$b = ['first' => 'b', 'second' => ['a' => 'cake']]; |
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$merger = new ArrayMerger(); |
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$this->assertEquals(['first' => 'b', 'second' => ['a' => 'cake']], $merger->merge($a, $b)); |
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$c = ['third' => ['stuff' => 'beep']]; |
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$this->assertEquals( |
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['first' => 1, 'second' => ['a' => 2, 'b' => 3], 'third' => ['stuff' => 'beep']], |
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$merger->merge($a, $c) |
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); |
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} |
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public function testInjectingDifferentValueMerger() |
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{ |
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$merger = new ArrayMerger(new FirstNonNullValue()); |
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$a = ['first' => 1, 'second' => null]; |
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$b = ['first' => 2, 'second' => 'pants']; |
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$this->assertEquals(['first' => 1, 'second' => 'pants'], $merger->merge($a, $b)); |
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} |
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public function testMergingMoreThanTwoArrays() |
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{ |
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$merger = new ArrayMerger(new LastNonNullValue()); |
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$a = ['first' => 1, 'second' => null]; |
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$b = ['first' => 2, 'second' => 'pants']; |
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$c = ['first' => null, 'second' => null, 'third' => 3]; |
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$this->assertEquals( |
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['first' => 2, 'second' => 'pants', 'third' => 3], |
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$merger->merge($a, $b, $c) |
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); |
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} |
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public function testStaticCalling() |
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{ |
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$a = ['first' => 1, 'second' => 2]; |
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$b = ['first' => 'a', 'second' => 'b']; |
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$this->assertEquals( |
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['first' => 'a', 'second' => 'b'], |
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ArrayMerger::mergeUsing(new LastValue(), $a, $b), |
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"Expected second result from merge" |
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); |
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} |
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public function testStaticFirstNonNull() |
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{ |
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$a = ['first' => 1, 'second' => null]; |
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$b = ['first' => null, 'second' => 'b']; |
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$this->assertEquals( |
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['first' => 1, 'second' => 'b'], |
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ArrayMerger::firstNonNull($a, $b), |
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"Expected first non null result from merge" |
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); |
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} |
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public function testStaticFirst() |
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{ |
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$a = ['first' => 1, 'second' => null]; |
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$b = ['first' => null, 'second' => 'b']; |
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$this->assertEquals( |
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['first' => 1, 'second' => null], |
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ArrayMerger::first($a, $b), |
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"Expected first result from merge" |
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); |
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} |
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public function testStaticLastNonNull() |
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{ |
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$a = ['first' => 1, 'second' => null]; |
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$b = ['first' => null, 'second' => 'b']; |
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$this->assertEquals( |
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['first' => 1, 'second' => 'b'], |
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ArrayMerger::lastNonNull($a, $b), |
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"Expected last non null result from merge" |
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); |
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} |
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public function testStaticLast() |
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{ |
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$a = ['first' => 1, 'second' => null]; |
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$b = ['first' => null, 'second' => 'b']; |
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$this->assertEquals( |
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['first' => null, 'second' => 'b'], |
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ArrayMerger::last($a, $b), |
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"Expected second result from merge" |
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); |
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} |
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public function testStaticProduct() |
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{ |
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$a = ['first' => 1, 'second' => null]; |
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$b = ['first' => 2, 'second' => 'b']; |
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$this->assertEquals( |
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['first' => 2, 'second' => 'b'], |
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ArrayMerger::product($a, $b), |
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"Expected product result from merge" |
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); |
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} |
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public function testStaticSum() |
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{ |
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$a = ['first' => 1, 'second' => null]; |
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$b = ['first' => 2, 'second' => 'b']; |
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$this->assertEquals( |
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['first' => 3, 'second' => 'b'], |
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ArrayMerger::sum($a, $b), |
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"Expected summed result from merge" |
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); |
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} |
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public function testStaticBoth() |
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{ |
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$a = ['first' => 1, 'second' => null]; |
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$b = ['first' => null, 'second' => 'b']; |
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$this->assertEquals( |
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['first' => [1, null], 'second' => [null, 'b']], |
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ArrayMerger::both($a, $b), |
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"Expected both results from merge" |
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); |
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} |
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public function testStaticRandom() |
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{ |
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$a = ['first' => 1, 'second' => null]; |
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$b = ['first' => null, 'second' => 'b']; |
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$this->assertArrayHasKey( |
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'first', |
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ArrayMerger::random($a, $b), |
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"Expected a random result from merge" |
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); |
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} |
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} |
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