TIKA-1476 - Added tests for TesseractOCRConfig external configuration…

… through properties files

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1640068 13f79535-47bb-0310-9956-ffa450edef68

tika-parsers/src/test/java/org/apache/tika/parser/ocr/TesseractOCRConfigTest.java

@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.tika.parser.ocr;
+
+import org.apache.tika.TikaTest;
+import org.junit.Test;
+
+import java.io.InputStream;
+
+import static org.junit.Assert.assertEquals;
+
+public class TesseractOCRConfigTest extends TikaTest {
+
+    @Test
+    public void testNoConfig() throws Exception {
+        TesseractOCRConfig config = new TesseractOCRConfig();
+        assertEquals("Invalid default tesseractPath value", "", config.getTesseractPath());
+        assertEquals("Invalid default language value", "eng", config.getLanguage());
+        assertEquals("Invalid default pageSegMode value", "1", config.getPageSegMode());
+        assertEquals("Invalid default minFileSizeToOcr value", 0, config.getMinFileSizeToOcr());
+        assertEquals("Invalid default maxFileSizeToOcr value", Integer.MAX_VALUE, config.getMaxFileSizeToOcr());
+        assertEquals("Invalid default timeout value", 120, config.getTimeout());
+    }
+
+    @Test
+    public void testPartialConfig() throws Exception {
+
+        InputStream stream = TesseractOCRConfigTest.class.getResourceAsStream(
+                "/test-properties/TesseractOCRConfig-partial.properties");
+
+        TesseractOCRConfig config = new TesseractOCRConfig(stream);
+        assertEquals("Invalid default tesseractPath value", "", config.getTesseractPath());
+        assertEquals("Invalid overridden language value", "fra+deu", config.getLanguage());
+        assertEquals("Invalid default pageSegMode value", "1", config.getPageSegMode());
+        assertEquals("Invalid overridden minFileSizeToOcr value", 1, config.getMinFileSizeToOcr());
+        assertEquals("Invalid default maxFileSizeToOcr value", Integer.MAX_VALUE, config.getMaxFileSizeToOcr());
+        assertEquals("Invalid overridden timeout value", 240, config.getTimeout());
+    }
+
+    @Test
+    public void testFullConfig() throws Exception {
+
+        InputStream stream = TesseractOCRConfigTest.class.getResourceAsStream(
+                "/test-properties/TesseractOCRConfig-full.properties");
+
+        TesseractOCRConfig config = new TesseractOCRConfig(stream);
+        assertEquals("Invalid overridden tesseractPath value", "/opt/tesseract/", config.getTesseractPath());
+        assertEquals("Invalid overridden language value", "fra+deu", config.getLanguage());
+        assertEquals("Invalid overridden pageSegMode value", "2", config.getPageSegMode());
+        assertEquals("Invalid overridden minFileSizeToOcr value", 1, config.getMinFileSizeToOcr());
+        assertEquals("Invalid overridden maxFileSizeToOcr value", 2000000, config.getMaxFileSizeToOcr());
+        assertEquals("Invalid overridden timeout value", 240, config.getTimeout());
+    }
+
+}

tika-parsers/src/test/resources/test-properties/TesseractOCRConfig-full.properties

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+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+tesseractPath=/opt/tesseract
+language=fra+deu
+pageSegMode=2
+maxFileSizeToOcr=2000000
+timeout=240
+minFileSizeToOcr=1

tika-parsers/src/test/resources/test-properties/TesseractOCRConfig-partial.properties

@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+language=fra+deu
+timeout=240
+minFileSizeToOcr=1