- public function testLooksLikeLatLonPair()
- {
- // no coordinates expected
- $this->assertNull(looksLikeLatLonPair(''));
- $this->assertNull(looksLikeLatLonPair('abc'));
- $this->assertNull(looksLikeLatLonPair('12 34'));
- $this->assertNull(looksLikeLatLonPair('200.1 89.9')); // because latitude > 180
-
- // coordinates expected
- $this->assertNotNull(looksLikeLatLonPair('0.0 -0.0'));
-
- $this->assertEquals(
- array( 'lat' => 12.456, 'lon' => -78.90, 'query' => 'abc def'),
- looksLikeLatLonPair(' abc 12.456 -78.90 def ')
- );
-
- $this->assertEquals(
- array( 'lat' => 12.456, 'lon' => -78.90, 'query' => ''),
- looksLikeLatLonPair(' [12.456,-78.90] ')
- );
-
- // http://en.wikipedia.org/wiki/Geographic_coordinate_conversion
- // these all represent the same location
- $aQueries = array(
- '40 26.767 N 79 58.933 W',
- '40° 26.767′ N 79° 58.933′ W',
- "40° 26.767' N 79° 58.933' W",
- 'N 40 26.767, W 79 58.933',
- 'N 40°26.767′, W 79°58.933′',
- "N 40°26.767', W 79°58.933'",
-
- '40 26 46 N 79 58 56 W',
- '40° 26′ 46″ N 79° 58′ 56″ W',
- 'N 40 26 46 W 79 58 56',
- 'N 40° 26′ 46″, W 79° 58′ 56″',
- 'N 40° 26\' 46", W 79° 58\' 56"',
-
- '40.446 -79.982',
- '40.446,-79.982',
- '40.446° N 79.982° W',
- 'N 40.446° W 79.982°',
-
- '[40.446 -79.982]',
- ' 40.446 , -79.982 ',
- );
-
-
- foreach ($aQueries as $sQuery) {
- $aRes = looksLikeLatLonPair($sQuery);
- $this->assertEquals(40.446, $aRes['lat'], 'degrees decimal ' . $sQuery, 0.01);
- $this->assertEquals(-79.982, $aRes['lon'], 'degrees decimal ' . $sQuery, 0.01);
- }
- }
-
-
-
- public function testGetWordSets()
- {
- // given an array of arrays like
- // array( array('a','b'), array('c','d') )
- // returns a summary as string: '(a|b),(c|d)'
-
-
- function serializeSets($aSets)
- {
- $aParts = array();
- foreach ($aSets as $aSet) {
- $aParts[] = '(' . join('|', $aSet) . ')';
- }
- return join(',', $aParts);
- }
-
- $this->assertEquals(
- array(array('')),
- getWordSets(array(), 0)
- );
-
- $this->assertEquals(
- '(a)',
- serializeSets(getWordSets(array("a"), 0))
- );
-
- $this->assertEquals(
- '(a b),(a|b)',
- serializeSets(getWordSets(array('a', 'b'), 0))
- );
-
- $this->assertEquals(
- '(a b c),(a|b c),(a|b|c),(a b|c)',
- serializeSets(getWordSets(array('a', 'b', 'c'), 0))
- );
-
- $this->assertEquals(
- '(a b c d),(a|b c d),(a|b|c d),(a|b|c|d),(a|b c|d),(a b|c d),(a b|c|d),(a b c|d)',
- serializeSets(getWordSets(array('a', 'b', 'c', 'd'), 0))
- );
-
-
- // Inverse
- $this->assertEquals(
- '(a b c),(c|a b),(c|b|a),(b c|a)',
- serializeSets(getInverseWordSets(array('a', 'b', 'c'), 0))
- );
-
-
- // make sure we don't create too many sets
- // 4 words => 8 sets
- // 10 words => 511 sets
- // 15 words => 12911 sets
- // 18 words => 65536 sets
- // 20 words => 169766 sets
- // 22 words => 401930 sets
- // 28 words => 3505699 sets (needs more than 4GB via 'phpunit -d memory_limit=' to run)
- $this->assertEquals(
- 8,
- count(getWordSets(array_fill(0, 4, 'a'), 0))
- );
-
-
- $this->assertEquals(
- 41226,
- count(getWordSets(array_fill(0, 18, 'a'), 0))
- );
- }
-
-