--- /dev/null
+<?php
+
+namespace Wikimedia\Purtle\Tests;
+
+use PHPUnit_Framework_TestCase;
+use Wikimedia\Purtle\RdfWriter;
+
+/**
+ * Base class for tests for RdfWriter implementations.
+ * Provides a common test suite for all implementations.
+ *
+ * @license GPL-2.0+
+ * @author Daniel Kinzler
+ * @author Thiemo Mättig
+ */
+abstract class RdfWriterTestBase extends PHPUnit_Framework_TestCase {
+
+ abstract protected function getFileSuffix();
+
+ /**
+ * @return RdfWriter
+ */
+ abstract protected function newWriter();
+
+ public function testGetMimeType() {
+ $mimeType = $this->newWriter()->getMimeType();
+ $this->assertInternalType( 'string', $mimeType );
+ $this->assertRegExp( '/^\w+\/[\w-]+(\+xml)?(; charset=UTF-8)?$/', $mimeType );
+ }
+
+ public function testTriples() {
+ $writer = $this->newWriter();
+
+ $writer->prefix( 'acme', 'http://acme.test/' );
+ $writer->start();
+
+ $writer->about( 'http://foobar.test/Bananas' )
+ ->say( 'a' )->is( 'http://foobar.test/Fruit' ); // shorthand name "a"
+
+ $writer->about( 'acme', 'Nuts' )
+ ->say( 'acme', 'weight' )->value( '5.5', 'xsd', 'decimal' );
+
+ // redundant about( 'acme', 'Nuts' )
+ $writer->about( 'acme', 'Nuts' )
+ ->say( 'acme', 'color' )->value( 'brown' );
+ $writer->finish();
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'Triples', $rdf );
+ }
+
+ public function testPredicates() {
+ $writer = $this->newWriter();
+
+ $writer->prefix( '', 'http://acme.test/' ); // empty prefix
+ $writer->start();
+
+ $writer->about( 'http://foobar.test/Bananas' )
+ ->a( 'http://foobar.test/Fruit' ) // shorthand function a()
+ ->say( '', 'name' ) // empty prefix
+ ->text( 'Banana' )
+ ->say( '', 'name' ) // redundant say( '', 'name' )
+ ->text( 'Banane', 'de' );
+
+ $writer->about( 'http://foobar.test/Apples' )
+ ->say( '', 'name' ) // subsequent call to say( '', 'name' ) for a different subject
+ ->text( 'Apple' );
+ $writer->finish();
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'Predicates', $rdf );
+ }
+
+ public function testPredicates_drain() {
+ $writer = $this->newWriter();
+
+ $writer->prefix( '', 'http://acme.test/' ); // empty prefix
+ $writer->start();
+
+ $writer->about( 'http://foobar.test/Bananas' )
+ ->a( 'http://foobar.test/Fruit' ) // shorthand function a()
+ ->say( '', 'name' ) // empty prefix
+ ->text( 'Banana' )
+ ->say( '', 'name' ) // redundant say( '', 'name' )
+ ->text( 'Banane', 'de' );
+
+ $rdf1 = $writer->drain();
+ $this->assertNotEmpty( $rdf1 );
+
+ $writer->about( 'http://foobar.test/Apples' )
+ ->say( '', 'name' ) // subsequent call to say( '', 'name' ) for a different subject
+ ->text( 'Apple' );
+ $writer->finish();
+
+ $rdf2 = $writer->drain();
+ $this->assertNotEmpty( $rdf2 );
+
+ $this->assertOutputLines( 'Predicates', $rdf1 . $rdf2 );
+ }
+
+ public function testPredicates_sub() {
+ $writer = $this->newWriter();
+
+ $writer->prefix( '', 'http://acme.test/' ); // empty prefix
+ $writer->start();
+
+ $sub = $writer->sub();
+
+ // output of the sub writer will appear after the output of the main writer.
+ $sub->about( 'http://foobar.test/Apples' )
+ ->say( '', 'name' ) // subsequent call to say( '', 'name' ) for a different subject
+ ->text( 'Apple' );
+
+ $writer->about( 'http://foobar.test/Bananas' )
+ ->a( 'http://foobar.test/Fruit' ) // shorthand function a()
+ ->say( '', 'name' ) // empty prefix
+ ->text( 'Banana' )
+ ->say( '', 'name' ) // redundant say( '', 'name' )
+ ->text( 'Banane', 'de' );
+
+ $writer->finish();
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'Predicates', $rdf );
+ }
+
+ public function testPredicates_sub_drain() {
+ $writer = $this->newWriter();
+
+ $writer->prefix( '', 'http://acme.test/' ); // empty prefix
+ $writer->start();
+
+ $sub = $writer->sub();
+
+ $writer->about( 'http://foobar.test/Bananas' )
+ ->a( 'http://foobar.test/Fruit' ) // shorthand function a()
+ ->say( '', 'name' ) // empty prefix
+ ->text( 'Banana' )
+ ->say( '', 'name' ) // redundant say( '', 'name' )
+ ->text( 'Banane', 'de' );
+
+ $rdf1 = $writer->drain();
+ $this->assertNotEmpty( $rdf1 );
+
+ // sub-writer should still be usable after drain()
+ $sub->about( 'http://foobar.test/Apples' )
+ ->say( '', 'name' ) // subsequent call to say( '', 'name' ) for a different subject
+ ->text( 'Apple' );
+
+ $writer->finish();
+
+ $rdf2 = $writer->drain();
+ $this->assertNotEmpty( $rdf2 );
+
+ $this->assertOutputLines( 'Predicates', $rdf1 . $rdf2 );
+ }
+
+ public function testValues() {
+ $writer = $this->newWriter();
+
+ $writer->prefix( 'acme', 'http://acme.test/' );
+ $writer->start();
+
+ $writer->about( 'http://foobar.test/Bananas' )
+ ->say( 'acme', 'multi' )
+ ->value( 'A' )
+ ->value( 'B' )
+ ->value( 'C' )
+ ->say( 'acme', 'type' )
+ ->value( 'foo', 'acme', 'thing' )
+ ->value( '-5', 'xsd', 'integer' )
+ ->value( '-5', 'xsd', 'decimal' )
+ ->value( '-5', 'xsd', 'double' )
+ ->value( 'true', 'xsd', 'boolean' )
+ ->value( 'false', 'xsd', 'boolean' )
+ ->say( 'acme', 'autotype' )
+ ->value( -5 )
+ ->value( 3.14 )
+ ->value( true )
+ ->value( false )
+ ->say( 'acme', 'no-autotype' )
+ ->value( -5, 'xsd', 'decimal' )
+ ->value( 3.14, 'xsd', 'string' )
+ ->value( true, 'xsd', 'string' )
+ ->value( false, 'xsd', 'string' )
+ ->say( 'acme', 'shorthand' )->value( 'foo' )
+ ->say( 'acme', 'typed-shorthand' )->value( 'foo', 'acme', 'thing' );
+ $writer->finish();
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'Values', $rdf );
+ }
+
+ public function testResources() {
+ $writer = $this->newWriter();
+
+ $writer->prefix( 'acme', 'http://acme.test/' );
+ $writer->start();
+
+ $writer->about( 'acme', 'Bongos' )
+ ->say( 'acme', 'sounds' )
+ ->is( 'acme', 'Bing' )
+ ->is( 'http://foobar.test/sound/Bang' );
+ $writer->finish();
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'Resources', $rdf );
+ }
+
+ public function testTexts() {
+ $writer = $this->newWriter();
+
+ $writer->prefix( 'acme', 'http://acme.test/' );
+ $writer->start();
+
+ $writer->about( 'acme', 'Bongos' )
+ ->say( 'acme', 'sounds' )
+ ->text( 'Bom', 'de' )
+ ->text( 'Bam', 'en' )
+ ->text( 'Como estas', 'es-419' )
+ ->text( 'What?', 'bad tag' );
+ $writer->finish();
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'Texts', $rdf );
+ }
+
+ public function testNumbers() {
+ $writer = $this->newWriter();
+
+ $writer->prefix( 'acme', 'http://acme.test/' );
+ $writer->start();
+
+ $writer->about( 'acme', 'Bongos' )
+ ->say( 'acme', 'stock' )->value( 5, 'xsd', 'integer' )
+ ->value( 7 )
+ ->about( 'acme', 'Tablas' )
+ ->say( 'acme', 'stock' )->value( 6 );
+ $writer->finish();
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'Numbers', $rdf );
+ }
+
+ public function testEricMiller() {
+ // exampel taken from http://www.w3.org/2007/02/turtle/primer/
+
+ $writer = $this->newWriter();
+
+ $writer->prefix( 'contact', 'http://www.w3.org/2000/10/swap/pim/contact#' );
+ $writer->start();
+
+ $writer->about( 'http://www.w3.org/People/EM/contact#me' )
+ ->say( 'rdf', 'type' )->is( 'contact', 'Person' )
+ ->say( 'contact', 'fullName' )->text( 'Eric Miller' )
+ ->say( 'contact', 'mailbox' )->is( 'mailto:em@w3.org' )
+ ->say( 'contact', 'personalTitle' )->text( 'Dr.' );
+ $writer->finish();
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'EricMiller', $rdf );
+ }
+
+ public function testLabeledBlankNode() {
+ // exampel taken from http://www.w3.org/2007/02/turtle/primer/
+
+ $writer = $this->newWriter();
+
+ $writer->prefix( 'exterms', 'http://www.example.org/terms/' );
+ $writer->prefix( 'exstaff', 'http://www.example.org/staffid/' );
+ $writer->start();
+
+ $writer->about( 'exstaff', '85740' )
+ ->say( 'exterms', 'address' )->is( '_', $label = $writer->blank( 'johnaddress' ) )
+ ->about( '_', $label )
+ ->say( 'exterms', 'street' )->text( '1501 Grant Avenue' )
+ ->say( 'exterms', 'city' )->text( 'Bedfort' )
+ ->say( 'exterms', 'state' )->text( 'Massachusetts' )
+ ->say( 'exterms', 'postalCode' )->text( '01730' );
+ $writer->finish();
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'LabeledBlankNode', $rdf );
+ }
+
+ public function testNumberedBlankNodes() {
+ // exampel taken from http://www.w3.org/2007/02/turtle/primer/
+
+ $writer = $this->newWriter();
+
+ $writer->prefix( 'exterms', 'http://www.example.org/terms/' );
+ $writer->prefix( 'exstaff', 'http://www.example.org/staffid/' );
+ $writer->prefix( 'ex', 'http://example.org/packages/vocab#' );
+ $writer->start();
+
+ $writer->about( 'exstaff', 'Sue' )
+ ->say( 'exterms', 'publication' )->is( '_', $label1 = $writer->blank() );
+ $writer->about( '_', $label1 )
+ ->say( 'exterms', 'title' )->text( 'Antology of Time' );
+
+ $writer->about( 'exstaff', 'Jack' )
+ ->say( 'exterms', 'publication' )->is( '_', $label2 = $writer->blank() );
+ $writer->about( '_', $label2 )
+ ->say( 'exterms', 'title' )->text( 'Anthony of Time' );
+ $writer->finish();
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'NumberedBlankNode', $rdf );
+ }
+
+ public function testQuotesAndSpecials() {
+ $writer = $this->newWriter();
+ $writer->prefix( 'exterms', 'http://www.example.org/terms/' );
+ $writer->start();
+
+ $writer->about( 'exterms', 'Duck' )->say( 'exterms', 'says' )
+ ->text( 'Duck says: "Quack!"' );
+ $writer->about( 'exterms', 'Cow' )->say( 'exterms', 'says' )
+ ->text( "Cow says:\n\r 'Moo! \\Moo!'" );
+ $writer->about( 'exterms', 'Bear' )->say( 'exterms', 'says' )
+ ->text( 'Bear says: Превед!' );
+
+ $rdf = $writer->drain();
+ $this->assertOutputLines( 'TextWithSpecialChars', $rdf );
+ }
+
+ /**
+ * @param string $datasetName
+ * @param string[]|string $actual
+ */
+ private function assertOutputLines( $datasetName, $actual ) {
+ $path = __DIR__ . '/../data/' . $datasetName . '.' . $this->getFileSuffix();
+
+ $this->assertNTriplesEquals(
+ file_get_contents( $path ),
+ $actual,
+ "Result mismatches data in $path"
+ );
+ }
+
+ /**
+ * @param string[]|string $nTriples
+ *
+ * @return string[] Sorted alphabetically.
+ */
+ protected function normalizeNTriples( $nTriples ) {
+ if ( is_string( $nTriples ) ) {
+ // Trim and ignore newlines at the end of the file only.
+ $nTriples = explode( "\n", rtrim( $nTriples, "\n" ) );
+ }
+
+ sort( $nTriples );
+
+ return $nTriples;
+ }
+
+ /**
+ * @param string[]|string $expected
+ * @param string[]|string $actual
+ * @param string $message
+ */
+ protected function assertNTriplesEquals( $expected, $actual, $message = '' ) {
+ $expected = $this->normalizeNTriples( $expected );
+ $actual = $this->normalizeNTriples( $actual );
+
+ // Comparing $expected and $actual directly would show triples that are present in both but
+ // shifted in position. That makes the output hard to read. Calculating the $missing and
+ // $extra sets helps.
+ $extra = array_diff( $actual, $expected );
+ $missing = array_diff( $expected, $actual );
+
+ // Cute: $missing and $extra can be equal only if they are empty. Comparing them here
+ // directly looks a bit odd in code, but produces meaningful output, especially if the input
+ // was sorted.
+ $this->assertEquals( $missing, $extra, $message );
+ }
+
+ //FIXME: test non-ascii literals!
+ //FIXME: test uerl-encoding
+ //FIXME: test IRIs!
+}
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