1 files changed, 162 insertions, 0 deletions
diff --git a/www/wiki/extensions/ModernTimeline/tests/Unit/JsonBuilderTest.php b/www/wiki/extensions/ModernTimeline/tests/Unit/JsonBuilderTest.php
new file mode 100644
index 00000000..ba911187
--- /dev/null
+++ b/www/wiki/extensions/ModernTimeline/tests/Unit/JsonBuilderTest.php
@@ -0,0 +1,162 @@
+<?php
+
+declare( strict_types = 1 );
+
+namespace ModernTimeline\Tests\Unit;
+
+use ModernTimeline\JsonBuilder;
+use ModernTimeline\ResultFacade\PropertyValueCollection;
+use ModernTimeline\ResultFacade\Subject;
+use ModernTimeline\ResultFacade\SubjectCollection;
+use ModernTimeline\SlidePresenter\SimpleSlidePresenter;
+use ModernTimeline\SlidePresenter\SlidePresenter;
+use PHPUnit\Framework\TestCase;
+use SMW\DIWikiPage;
+use SMW\Query\PrintRequest;
+use SMWDITime;
+
+/**
+ * @covers \ModernTimeline\JsonBuilder
+ */
+class JsonBuilderTest extends TestCase {
+
+	private const PAGE_NAME = 'Some Page';
+
+	public function testEmptySubjectCollection() {
+		$this->assertBuildsJson(
+			[],
+			new SubjectCollection( [] )
+		);
+	}
+
+	public function assertBuildsJson( array $expectedJson, SubjectCollection $input ) {
+		$this->assertSame(
+			[
+				'events' => $expectedJson
+			],
+			$this->toJson( $input )
+		);
+	}
+
+	private function toJson( SubjectCollection $input ): array {
+		return ( new JsonBuilder( new SimpleSlidePresenter() ) )->buildTimelineJson( $input );
+	}
+
+	public function testOnlySubjectsWithNoValues() {
+		$this->assertBuildsJson(
+			[],
+			new SubjectCollection(
+				[
+					new Subject(
+						$this->newDiWikiPage(),
+						[]
+					)
+				]
+			)
+		);
+	}
+
+	private function newDiWikiPage( string $pageName = self::PAGE_NAME ): DIWikiPage {
+		$page = $this->createMock( DIWikiPage::class );
+
+		$page->method( 'getTitle' )->willReturn( \Title::newFromText( $pageName ) );
+
+		return $page;
+	}
+
+	private function newSinglePageWithStartAndEndDate(): SubjectCollection {
+		return new SubjectCollection(
+			[
+				new Subject(
+					$this->newDiWikiPage(),
+					[
+						new PropertyValueCollection(
+							$this->newDatePrintRequestWithLabel( 'Has date' ),
+							[
+								new SMWDITime(
+									SMWDITime::CM_GREGORIAN,
+									2019,
+									8,
+									2,
+									16,
+									7,
+									42
+								)
+							]
+						),
+						new PropertyValueCollection(
+							$this->newDatePrintRequestWithLabel( 'End date' ),
+							[
+								new SMWDITime(
+									SMWDITime::CM_GREGORIAN,
+									2019,
+									8,
+									5,
+									17,
+									39,
+									23
+								)
+							]
+						)
+					]
+				)
+			]
+		);
+	}
+
+	private function newDatePrintRequestWithLabel( string $label ): PrintRequest {
+		$pr = $this->createMock( PrintRequest::class );
+		$pr->method( 'getLabel' )->willReturn( $label );
+		$pr->method( 'getTypeID' )->willReturn( '_dat' );
+		return $pr;
+	}
+
+	public function testStartDate() {
+		$json = $this->toJson( $this->newSinglePageWithStartAndEndDate() );
+
+		$this->assertSame(
+			[
+				'year' => 2019,
+				'month' => 8,
+				'day' => 2,
+				'hour' => 16,
+				'minute' => 7,
+				'second' => 42,
+			],
+			$json['events'][0]['start_date']
+		);
+	}
+
+	public function testEndDate() {
+		$json = $this->toJson( $this->newSinglePageWithStartAndEndDate() );
+
+		$this->assertSame(
+			[
+				'year' => 2019,
+				'month' => 8,
+				'day' => 5,
+				'hour' => 17,
+				'minute' => 39,
+				'second' => 23,
+			],
+			$json['events'][0]['end_date']
+		);
+	}
+
+	public function testHeadline() {
+		$json = $this->toJson( $this->newSinglePageWithStartAndEndDate() );
+
+		$this->assertContains(
+			self::PAGE_NAME,
+			$json['events'][0]['text']['headline']
+		);
+	}
+
+	public function testPageWithStartAndEndDateOnlyLeadsToOneEvent() {
+		$this->assertCount(
+			1,
+			$this->toJson( $this->newSinglePageWithStartAndEndDate() )['events']
+		);
+	}
+
+}