Unit testing

aalhossary · aalhossary · commit a26adde89e07 · 2022-02-22T10:42:13.000+08:00
diff --git a/biojava-core/src/test/java/org/biojava/nbio/core/util/FileDownloadUtilsTest.java b/biojava-core/src/test/java/org/biojava/nbio/core/util/FileDownloadUtilsTest.java
@@ -4,12 +4,15 @@
 import static org.biojava.nbio.core.util.FileDownloadUtils.getFilePrefix;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.PrintStream;
+import java.net.URL;
 import java.nio.file.Files;
 
 import org.junit.jupiter.api.Nested;
@@ -190,4 +193,50 @@ void deleteFolderTree() throws IOException{
             assertFalse(toDelete.exists());
         }
     }
+    
+    @Nested
+    class CreateValidationFiles{
+    	
+    	@Test
+    	void testValidationFiles() throws IOException{
+    		URL sourceUrl = new URL("https://ftp.wwpdb.org/pub/pdb/data/structures/divided/mmCIF/45/145d.cif.gz");
+    		File destFile = new File(System.getProperty("java.io.tmpdir"), "145d.cif.gz");
+    		File sizeFile = new File(destFile.getParentFile(), destFile.getName()+".size");
+    		File hashFile = new File(destFile.getParentFile(), destFile.getName()+".hash");
+    		System.out.println(destFile.getAbsolutePath());
+    		destFile.delete();
+    		sizeFile.delete();
+    		hashFile.delete();
+    		assertFalse(destFile.exists(), "couldn't delete dest file");
+    		assertFalse(sizeFile.exists(), "couldn't delete size file");
+    		assertFalse(hashFile.exists(), "couldn't delete hash file");
+    		
+    		FileDownloadUtils.downloadFile(sourceUrl, destFile);
+    		assertTrue(destFile.exists(), "couldn't create dest file");
+
+    		assertTrue(FileDownloadUtils.validateFile(destFile), "file not detected to be invalid although there are no validation files");
+
+    		PrintStream temp1 = new PrintStream(sizeFile);
+    		temp1.print(15); // some wrong size value
+    		temp1.close();
+    		assertFalse(FileDownloadUtils.validateFile(destFile), "file not detected to be invalid although size value is wrong.");
+    		System.out.println("Just ignore the previous warning. It is expected.");
+    		
+    		FileDownloadUtils.createValidationFiles(sourceUrl, destFile, null);
+    		assertTrue(sizeFile.exists(), "couldn't create size file");
+    		assertTrue(FileDownloadUtils.validateFile(destFile), "file not detected to be invalid although there is correct size validation file");
+
+    		PrintStream temp2 = new PrintStream(hashFile);
+    		temp2.print("ABCD"); // some wrong hash value
+    		temp2.close();
+    		//This is not yet implemented. I am using this test for documentation purpose.
+    		assertThrows(UnsupportedOperationException.class, 
+    				() -> FileDownloadUtils.validateFile(destFile), 
+    				"file not detected to be invalid although size value is wrong.");
+    		
+    		destFile.delete();
+    		sizeFile.delete();
+    		hashFile.delete();
+    	}
+    }
 }
