BAEL-864 Difference between URL and URI (#2438)

2017-08-14 12:45:30 -05:00 · 2017-08-14 12:45:30 -05:00 · 58469d79bf
parent 99eee4df2c
commit 58469d79bf
1 changed files with 78 additions and 0 deletions
--- a/core-java/src/test/java/com/baeldung/javanetworking/uriurl/URIvsURLUnitTest.java
+++ b/core-java/src/test/java/com/baeldung/javanetworking/uriurl/URIvsURLUnitTest.java
@ -0,0 +1,78 @@
+package com.baeldung.javanetworking.uriurl;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import org.apache.commons.io.IOUtils;
+import static org.junit.Assert.*;
+import org.junit.Test;
+
+public class URIvsURLUnitTest {
+
+    @Test
+    public void whenCreatingURIs_thenSameInfo() throws URISyntaxException {
+        URI firstURI = new URI("somescheme://theuser:thepassword@someauthority:80/some/path?thequery#somefragment");
+        URI secondURI = new URI("somescheme", "theuser:thepassword", "someuthority", 80, "/some/path", "thequery", "somefragment");
+
+        assertEquals(firstURI.getScheme(), secondURI.getScheme());
+        assertEquals(firstURI.getPath(), secondURI.getPath());
+    }
+
+    @Test
+    public void whenCreatingURLs_thenSameInfo() throws MalformedURLException {
+        URL firstURL = new URL("http://theuser:thepassword@somehost:80/path/to/file?thequery#somefragment");
+        URL secondURL = new URL("http", "somehost", 80, "/path/to/file");
+
+        assertEquals(firstURL.getHost(), secondURL.getHost());
+        assertEquals(firstURL.getPath(), secondURL.getPath());
+    }
+
+    @Test
+    public void whenCreatingURI_thenCorrect() {
+        URI uri = URI.create("urn:isbn:1234567890");
+
+        assertNotNull(uri);
+    }
+
+    @Test(expected = MalformedURLException.class)
+    public void whenCreatingURLs_thenException() throws MalformedURLException {
+        URL theURL = new URL("otherprotocol://somehost/path/to/file");
+
+        assertNotNull(theURL);
+    }
+
+    @Test
+    public void givenObjects_whenConverting_thenCorrect() throws MalformedURLException, URISyntaxException {
+        String aURIString = "http://somehost:80/path?thequery";
+        URI uri = new URI(aURIString);
+        URL url = new URL(aURIString);
+
+        URL toURL = uri.toURL();
+        URI toURI = url.toURI();
+
+        assertNotNull(url);
+        assertNotNull(uri);
+        assertEquals(toURL.toString(), toURI.toString());
+    }
+
+    @Test(expected = MalformedURLException.class)
+    public void givenURI_whenConvertingToURL_thenException() throws MalformedURLException, URISyntaxException {
+        URI uri = new URI("somescheme://someauthority/path?thequery");
+
+        URL url = uri.toURL();
+
+        assertNotNull(url);
+    }
+
+    @Test
+    public void givenURL_whenGettingContents_thenCorrect() throws MalformedURLException, IOException {
+        URL url = new URL("http://courses.baeldung.com");
+
+        String contents = IOUtils.toString(url.openStream());
+        
+        assertTrue(contents.contains("<!DOCTYPE html>"));
+    }
+    
+}