Add tests for isAvailable()

tests/TikaServerTextExtractorTest.php

@@ -2,9 +2,11 @@
 
 namespace SilverStripe\TextExtraction\Tests;
 
+use PHPUnit_Framework_MockObject_MockObject;
 use SilverStripe\Assets\File;
 use SilverStripe\Dev\SapphireTest;
 use SilverStripe\TextExtraction\Extractor\TikaServerTextExtractor;
+use SilverStripe\TextExtraction\Rest\TikaRestClient;
 
 /**
  * @group tika-tests
@@ -33,4 +35,44 @@ class TikaServerTextExtractorTest extends SapphireTest
         $this->assertTrue($extractor->supportsMime('text/html'));
         $this->assertFalse($extractor->supportsMime('application/not-supported'));
     }
+
+    /**
+     * @param string $version
+     * @param bool $expected
+     * @dataProvider isAvailableProvider
+     */
+    public function testIsAvailable($version, $expected)
+    {
+        /** @var PHPUnit_Framework_MockObject_MockObject|TikaServerTextExtractor $extractor */
+        $extractor = $this->getMockBuilder(TikaServerTextExtractor::class)
+            ->setMethods(['getClient', 'getServerEndpoint'])
+            ->getMock();
+
+        $client = $this->createMock(TikaRestClient::class);
+        $client->method('isAvailable')->willReturn(true);
+        $client->method('getVersion')->willReturn($version);
+
+        $extractor->method('getClient')->willReturn($client);
+        $extractor->method('getServerEndpoint')->willReturn('tikaserver.example');
+
+        $result = $extractor->isAvailable();
+        $this->assertSame($expected, $result);
+    }
+
+    /**
+     * @return array[]
+     */
+    public function isAvailableProvider()
+    {
+        return [
+            ['1.5.2', false],
+            ['1.5', false],
+            ['1.7.0', true],
+            ['1.7.5', true],
+            ['1.8.0', true],
+            ['1.7', true],
+            ['1.8', true],
+            ['2.0.0', true],
+        ];
+    }
 }