Finally added the beginnings of a decent black-box unit test for QR code decoding

git-svn-id: http://zxing.googlecode.com/svn/trunk@87 59b500cc-1b3d-0410-9834-0bbf25fbcc57

diff --git a/core/build.xml b/core/build.xml
index 0f60ca3..970f70b 100644 (file)
--- a/core/build.xml
+++ b/core/build.xml
@@ -54,6 +54,7 @@
            deprecation="true">
       <classpath>
         <pathelement location="build"/>
+        <pathelement location="../javase/javase.jar"/>
       </classpath>
     </javac>
     <junit printsummary="on" haltonfailure="on" haltonerror="on">
@@ -61,6 +62,7 @@
       <classpath>
         <pathelement location="build"/>
         <pathelement location="build-test"/>
+        <pathelement location="../javase/javase.jar"/>        
       </classpath>
       <assertions>
         <enable/>

diff --git a/core/test/src/com/google/zxing/qrcode/QRCodeReaderTestCase.java b/core/test/src/com/google/zxing/qrcode/QRCodeReaderTestCase.java
new file mode 100644 (file)
index 0000000..c5e314c
--- /dev/null
+++ b/core/test/src/com/google/zxing/qrcode/QRCodeReaderTestCase.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2007 Google Inc.
+ *
+ * Licensed 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 com.google.zxing.qrcode;
+
+import com.google.zxing.ReaderException;
+import com.google.zxing.Result;
+import com.google.zxing.MonochromeBitmapSource;
+import com.google.zxing.Reader;
+import com.google.zxing.client.j2se.BufferedImageMonochromeBitmapSource;
+
+import junit.framework.TestCase;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+/**
+ * @author srowen@google.com (Sean Owen)
+ */
+public final class QRCodeReaderTestCase extends TestCase {
+
+  public void testDecode() throws Exception {
+    doTestURI("http://writerresponsetheory.org/wordpress/wp-content/uploads/qrcode_01.png",
+              "When we at WRT talk about \\\"text,\\\" we are generally talking about a particular kind of readable " +
+              "information encoding - and readable is a complex proposition. Text may be stylized in a way we are " +
+              "unfamiliar with, as in blackletter - it may be interspersed with some markup we don\\'t understand, " +
+              "such as HTML - it may be be a substitution system we aren\\'t familiar with, such as braille or " +
+              "morse code - or it may be a system that, while technically human-readable, isn\\'t particularly " +
+              "optimized for reading by humans, as with barcodes (although barcodes can be read).");
+    doTestURI("http://writerresponsetheory.org/query/poe/qrcode%20outputs/qrcodegen-examples/chunk-from-128-bug-head/" +
+              "encodes-by-nfggames/qr-chunk-from-128-bughead-ground.png",
+              "LANDBYASCARC   PERCEPTIBLEC EEK,OOZI GITSWAYTHROU  AWILDERNESSOFBESUPPOSED,I  " +
+              "CANT,ORATL ASTDWARFISH.NO REESOFANYM  NITUDEARETOBESOMEMISERA  EFRAMEBUIL I GS,TENANTED, U " +
+              "INGSUMMER   THEFUGITIVE;BUTTHEWHO  ISLAND,WI H   EXCEPTIONOFT   W STERNPOI  ,ANDALINEOFLLIAMLEGR   " +
+              ".HEWASOF N    ENTHUGUENOTF    Y ANDHADON  BEENWEALTHTIONCONSE  ENTUPONH SD   STERS,HELEFTNE   " +
+              "LE NS,THEC   OFHISFOREOUTHCARO   A.THISISLA    AVERYSINGULARO    TCONSISTSO  " +
+              "ITTLEELSEDSAQUART   FAMILE. TI   PARATEDFROMTHEMA   AN BYASCAR   YPERCEPTERESORT     " +
+              "MARSH EN   EVEGETATION,ASMIGH   SU POSED,   CANT,ORATREMITY,      " +
+              "ORT OULTRIESTANDS,ANDWHEREARESOM MIS      FRAMEBUIFEVER,MAYBE      " +
+              "INDEED,                TO;BUTT      EISLAND,WITNYYEARSAGO,IC    ACTED                    " +
+              "LLIAM    AND.HEWASOFANNESHADREDUCEDHIM OWA                       " +
+              "IONC NSEQUENTUPONHISDSIDENCEATSULLIVA \\'S                          HC ROLINA.THISISLANOUTTHR    " +
+              "LESLON .        THATN  OINTE        U RTEROF    E.ITISTHROU       ERNE       DSANDSLI  ,AFAVOR        " +
+              "TOFT       HEN.T");
+    doTestURI("http://www.malcolmhall.com/wp-content/uploads/2006/07/200607260214.jpg",
+              "http://www.malcolmhall.com");
+    doTestURI("http://www.qrcodeblog.com/qr/0609/060902_qr_kawasaki_st02.jpg",
+              "http://wwws.keihin.ktr.mlit.go.jp/keitai/");
+    doTestURI("http://mobile.kaywa.com/files/images/2007/4/480/mob181_1175524511.jpg",
+              "2021200000");
+    doTestURI("http://www.smoothplanet.com/files/images/2007/2/mob281_1170754866.jpg",
+              "http://d.kaywa.com/20207100");
+    doTestURI("http://www.mobileviews.com/blog/wp-content/uploads/2006/11/livebarcode.gif",
+              "BIZCARD:N:Todd;X:Ogasawara;T:Tech Geek;C:MobileViews.com;A:MobileTown USA;E:editor@mobileviews.com;;");
+    doTestURI("http://staticrooster.com/tshirts/qr_sm.gif",
+              "http://staticrooster.com");
+    doTestURI("http://www.ihaveanidea.org/blogs/uploads/i/interactive/270.png",
+              "Morden");
+  }
+
+  private static void doTestURI(final String uriString, final String expected)
+      throws URISyntaxException, IOException, ReaderException {
+    URI uri = new URI(uriString);
+    InputStream is = uri.toURL().openStream();
+    try {
+      BufferedImage image = ImageIO.read(is);
+      MonochromeBitmapSource source = new BufferedImageMonochromeBitmapSource(image);
+      Reader reader = new QRCodeReader();
+      Result result = reader.decode(source);
+      assertEquals(expected, result.getText());
+    } finally {
+      is.close();
+    }
+  }
+
+}
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