From 60dc53edca9ae2bcd6703e02b26acd47ef3d61a8 Mon Sep 17 00:00:00 2001
From: Chris Jaekl <cejaekl@yahoo.com>
Date: Sun, 21 Dec 2014 23:13:24 -0500
Subject: [PATCH] Improve error reporting.  New error page that gives a bit
 more of an explanation for InvalideResponseExceptions.

---
 WEB-INF/classes/frank.properties              |   6 +
 prod/frank.properties                         |   6 +
 prod/net/jaekl/frank/ErrorHandler.java        | 105 ++++++++++++++++++
 prod/net/jaekl/frank/FrankBundle.java         |   6 +
 prod/net/jaekl/frank/Schedule.java            |  20 +---
 prod/net/jaekl/frank/Style.java               |  23 ++++
 prod/net/jaekl/frank/ViewSchedule.java        |  41 ++-----
 .../qd/http/InvalidResponseException.java     |   1 +
 test/net/jaekl/frank/ErrorHandlerTest.java    | 102 +++++++++++++++++
 test/net/jaekl/frank/ScheduleTest.java        |  32 +-----
 test/net/jaekl/frank/StyleTest.java           |  45 ++++++++
 test/net/jaekl/frank/ViewScheduleTest.java    |  30 -----
 12 files changed, 310 insertions(+), 107 deletions(-)
 create mode 100644 prod/net/jaekl/frank/ErrorHandler.java
 create mode 100644 prod/net/jaekl/frank/Style.java
 create mode 100644 test/net/jaekl/frank/ErrorHandlerTest.java
 create mode 100644 test/net/jaekl/frank/StyleTest.java

diff --git a/WEB-INF/classes/frank.properties b/WEB-INF/classes/frank.properties
index e508d3f..4f35303 100644
--- a/WEB-INF/classes/frank.properties
+++ b/WEB-INF/classes/frank.properties
@@ -1,3 +1,4 @@
+answer.received=Answer received:
 data.collected=Data collected <SPAN ID="elapsed">0m 0s</SPAN> ago at {0}.
 destination=Destination
 error.page=Error Page
@@ -5,8 +6,13 @@ eta=ETA
 frank=Frank
 gps.off=GPS off
 gps.read=GPS Read
+invalid.response=Frank requested information from the OC Transpo server, but received an unexpected response.
 m=m
+maybe.server.problem=This may indicate a problem with the server that was contacted, but it is also possible that you've uncovered a bug in Frank.
 remain=Remain
+request.made=Request made:
 route=Route
 s=s
 unexpected.error=Unexpected Error
+unexpected.exception=An unexpected exception has been raised.  This probably indicates a bug in Frank.
+url.contacted=URL contacted:
diff --git a/prod/frank.properties b/prod/frank.properties
index e508d3f..4f35303 100644
--- a/prod/frank.properties
+++ b/prod/frank.properties
@@ -1,3 +1,4 @@
+answer.received=Answer received:
 data.collected=Data collected <SPAN ID="elapsed">0m 0s</SPAN> ago at {0}.
 destination=Destination
 error.page=Error Page
@@ -5,8 +6,13 @@ eta=ETA
 frank=Frank
 gps.off=GPS off
 gps.read=GPS Read
+invalid.response=Frank requested information from the OC Transpo server, but received an unexpected response.
 m=m
+maybe.server.problem=This may indicate a problem with the server that was contacted, but it is also possible that you've uncovered a bug in Frank.
 remain=Remain
+request.made=Request made:
 route=Route
 s=s
 unexpected.error=Unexpected Error
+unexpected.exception=An unexpected exception has been raised.  This probably indicates a bug in Frank.
+url.contacted=URL contacted:
diff --git a/prod/net/jaekl/frank/ErrorHandler.java b/prod/net/jaekl/frank/ErrorHandler.java
new file mode 100644
index 0000000..c1d72bd
--- /dev/null
+++ b/prod/net/jaekl/frank/ErrorHandler.java
@@ -0,0 +1,105 @@
+package net.jaekl.frank;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.io.PrintWriter;
+import java.util.Locale;
+
+import net.jaekl.qd.http.InvalidResponseException;
+
+public class ErrorHandler {
+	static final String JAVASCRIPT =
+			"<SCRIPT>\n" +
+			"  var show_hide = function() {\n" +
+			"  var theDiv = document.getElementById('details');\n" +
+			"  var theButton = document.getElementById('details_btn');\n" +
+			"  if (theDiv.style.display === 'block' || theDiv.style.display === '') {\n" +
+			"    theDiv.style.display = 'none';\n" +
+			"  theButton.value = 'Show details';\n" +
+			"  }\n" +
+			"  else {\n" +
+			"    theDiv.style.display = 'block';\n" +
+			"    theButton.value = 'Hide details';\n" +
+			"  }\n" +
+			"}\n" +
+			"</SCRIPT>";
+	
+	void writeScript(PrintWriter pw) {
+		pw.println(JAVASCRIPT);
+	}
+	
+	void explain(PrintWriter pw, Throwable t, FrankBundle bundle) {
+		Throwable cause = t;
+		if (t instanceof FrankException) {
+			if (null != t.getCause()) {
+				cause = t.getCause();
+			}
+		}
+		
+		pw.println("<P>");
+		if (cause instanceof InvalidResponseException) {
+			InvalidResponseException ire = (InvalidResponseException)cause;
+			
+			pw.println(bundle.get(FrankBundle.INVALID_RESPONSE));
+			pw.println("<P ID=\"errtable\">");
+			pw.println("  <TABLE>");
+			pw.println("    <TR><TD CLASS=\"head\">" + bundle.get(FrankBundle.URL_CONTACTED) 
+					+ "</TD><TD>" + ire.getUrl() + "</TD></TR>");
+			pw.println("    <TR CLASS=\"alt\"><TD CLASS=\"head\">" + bundle.get(FrankBundle.REQUEST_MADE) 
+					+ "</TD><TD>" + ire.getMethod() + "</TD></TR>");
+			pw.println("    <TR><TD CLASS=\"head\">" + bundle.get(FrankBundle.ANSWER_RECEIVED) 
+					+ "</TD><TD>" + ire.getResponse() + "</TD></TR>");
+			pw.println("  </TABLE>");
+			pw.println("</P>");
+			pw.println("<P>" + bundle.get(FrankBundle.MAYBE_SERVER_PROBLEM) + "</P>");
+		}
+		else {
+			pw.println(bundle.get(FrankBundle.UNEXPECTED_EXCEPTION));
+		}
+		pw.println("</P>");
+	}
+	
+	void writeErrorPage(PrintWriter pw, Throwable t, Locale locale) {
+		Style style = new Style();
+		ByteArrayOutputStream baos = new ByteArrayOutputStream();
+		PrintStream ps = new PrintStream(baos);
+		FrankBundle bundle = FrankBundle.getInst(locale);
+		
+		pw.println("<HTML><HEAD>");
+		pw.println("<TITLE>" + 
+				bundle.get(FrankBundle.FRANK) + ": " +
+				bundle.get(FrankBundle.ERROR_PAGE) + 
+				"</TITLE>");
+		style.writeStyle(pw);
+		writeScript(pw);
+		pw.println("</HEAD>");
+		
+		pw.println("<BODY>");
+		pw.println("<TABLE ID=\"errhead\" WIDTH=\"100%\"><TR><TD>" +
+				bundle.get(FrankBundle.FRANK) + ": " +
+				bundle.get(FrankBundle.UNEXPECTED_ERROR) + 
+				"</TD></TR></TABLE>");
+		
+		explain(pw, t, bundle);
+		
+		// Note that, if we cared about security, we would log this stack trace to a
+		// server log, and only report a cross-reference to the log file back to the 
+		// end user's browser, to avoid potentially exposing internal info that we 
+		// don't want to share.
+		// At least at this point, we don't care (that much), and trade off a 
+		// potential information leak in favour of reducing our code complexity
+		// and the administrator's workload.
+		
+		pw.println("<P><INPUT TYPE=\"button\" ID=\"details_btn\" VALUE=\"Show details\" ONCLICK=\"show_hide();\"/></P>");
+		pw.println("<P>");
+		pw.println("<DIV ID=\"details\" STYLE=\"display: none;\"><PRE>");
+		
+		t.printStackTrace(ps);
+		String stackTrace = baos.toString(); 
+		pw.println(stackTrace);
+				
+		pw.println("</PRE>\n</P>\n</DIV>");
+		pw.println("<P>Click <A HREF=\"/\">here</A> to return to the main page.</P>");
+		pw.println("</BODY></HTML>");
+	}
+}
diff --git a/prod/net/jaekl/frank/FrankBundle.java b/prod/net/jaekl/frank/FrankBundle.java
index f0889ba..8d5057a 100644
--- a/prod/net/jaekl/frank/FrankBundle.java
+++ b/prod/net/jaekl/frank/FrankBundle.java
@@ -8,6 +8,7 @@ import java.util.concurrent.ConcurrentHashMap;
 import net.jaekl.qd.QDBundleFactory;
 
 public class FrankBundle {
+	public static final String ANSWER_RECEIVED = "answer.received";
 	public static final String DATA_COLLECTED = "data.collected";
 	public static final String DESTINATION = "destination";
 	public static final String ERROR_PAGE = "error.page";
@@ -15,11 +16,16 @@ public class FrankBundle {
 	public static final String FRANK = "frank";
 	public static final String GPS_OFF = "gps.off";
 	public static final String GPS_READ = "gps.read";
+	public static final String INVALID_RESPONSE = "invalid.response";
+	public static final String MAYBE_SERVER_PROBLEM = "maybe.server.problem";
 	public static final String MINUTES = "m";	// suffix (abbreviated) for minutes
 	public static final String REMAIN = "remain";
+	public static final String REQUEST_MADE = "request.made";
 	public static final String ROUTE = "route";
 	public static final String SECONDS = "s";
 	public static final String UNEXPECTED_ERROR = "unexpected.error";
+	public static final String UNEXPECTED_EXCEPTION = "unexpected.exception";
+	public static final String URL_CONTACTED = "url.contacted";
 	
 	final static String BUNDLE_NAME = "frank";
 	
diff --git a/prod/net/jaekl/frank/Schedule.java b/prod/net/jaekl/frank/Schedule.java
index edd1b39..10616b2 100644
--- a/prod/net/jaekl/frank/Schedule.java
+++ b/prod/net/jaekl/frank/Schedule.java
@@ -13,13 +13,15 @@ import net.jaekl.frank.octranspo.StopInfo;
 import net.jaekl.frank.octranspo.Trip;
 
 public class Schedule {
-	Locale m_locale;
-	FrankBundle m_bundle;
 	DateFormat m_hourMinFmt;
 	DateFormat m_hourMinSecFmt;
+	FrankBundle m_bundle;
+	Locale m_locale;
+	Style m_style;
 	
 	public Schedule(Locale locale) {
 		m_locale = locale;
+		m_style = new Style();
 		m_bundle = FrankBundle.getInst(locale);
 		m_hourMinFmt = new SimpleDateFormat("hh:mma", locale);
 		m_hourMinSecFmt = new SimpleDateFormat("hh:mm:ssa", locale);
@@ -40,17 +42,7 @@ public class Schedule {
 	String mapUrl(double latitude, double longitude) {
 		return "http://www.openstreetmap.org/?mlat=" + latitude + "&mlon=" + longitude + "&zoom=15";
 	}
-	
-	void writeStyle(PrintWriter pw) {
-		pw.println("<STYLE>");
-		pw.println("  body {background-color: #F0F0C0; font-size: 1.5em; }");
-		pw.println("  #trips {border-collapse: collapse; font-size: 1.5em; }");
-		pw.println("  #trips td, #trips th {border: 1px solid #600000; padding: 3px 3px 3px 3px; text-align: center;}");
-		pw.println("  #trips th {background-color: #800000; color: #FFFFFF; }");
-		pw.println("  #trips tr.ghost td {background-color: #C0C0C0;}");
-		pw.println("</STYLE>");
-	}
-	
+
 	// Countdown timer that updates time remaining until each bus is expected.
 	void writeScript(PrintWriter pw, String remainArray, int remainCount) {
 		String min = trans(FrankBundle.MINUTES);
@@ -82,7 +74,7 @@ public class Schedule {
 		pw.println("<HTML>");
 		pw.println("<HEAD>");
 		pw.println("<TITLE>" + title + "</TITLE>");
-		writeStyle(pw);
+		new Style().writeStyle(pw);
 		pw.println("</HEAD>");
 	}
 	
diff --git a/prod/net/jaekl/frank/Style.java b/prod/net/jaekl/frank/Style.java
new file mode 100644
index 0000000..f3d58a9
--- /dev/null
+++ b/prod/net/jaekl/frank/Style.java
@@ -0,0 +1,23 @@
+package net.jaekl.frank;
+
+import java.io.PrintWriter;
+
+public class Style {
+	static final String CSS = 
+			"<STYLE>\n" +
+			"  body {background-color: #F0F0C0; font-size: 1em; }\n" +
+			"  #errhead td {background-color: #D00000; color: #FFFFFF; font-size: 2em; padding: 3px 3px 3px 3px; text-align: left; }\n" +
+			"  #errtable table { border: 3px solid #D00000; border-collapse: collapse; background-color: #E0E080; }\n" +
+			"  #errtable table, tr, td { padding: 3px; }\n" +
+			"  #errtable tr.alt { background-color: #D0D070; }\n" +
+			"  #errtable td.head {text-align: right; background-color: #D00000; color: #FFFFFF; font-weight: bold; }\n" +
+			"  #trips {border-collapse: collapse; font-size: 1.5em; }\n" +
+			"  #trips td, #trips th {border: 1px solid #600000; padding: 3px 3px 3px 3px; text-align: center;}\n" +
+			"  #trips th {background-color: #800000; color: #FFFFFF; }\n" +
+			"  #trips tr.ghost td {background-color: #C0C0C0;}\n" +
+			"</STYLE>";
+	
+	public void writeStyle(PrintWriter pw) {
+		pw.println(CSS);
+	}
+}
diff --git a/prod/net/jaekl/frank/ViewSchedule.java b/prod/net/jaekl/frank/ViewSchedule.java
index e044f70..b13258b 100644
--- a/prod/net/jaekl/frank/ViewSchedule.java
+++ b/prod/net/jaekl/frank/ViewSchedule.java
@@ -1,9 +1,7 @@
 package net.jaekl.frank;
 
-import java.io.ByteArrayOutputStream;
 import java.io.FileInputStream;
 import java.io.IOException;
-import java.io.PrintStream;
 import java.io.PrintWriter;
 import java.util.Locale;
 
@@ -24,6 +22,12 @@ public class ViewSchedule extends HttpServlet {
 	static final String ROUTE = "route";
 	static final String LANG = "lang";
 	
+	ErrorHandler m_errorHandler;
+	
+	public ViewSchedule() {
+		m_errorHandler = new ErrorHandler();
+	}
+	
 	int getParamInt(HttpServletRequest req, String paramName) {
 		String valueStr = getParamString(req, paramName);
 		try {
@@ -88,38 +92,7 @@ public class ViewSchedule extends HttpServlet {
 			}
 		}
 		catch (Throwable t) {
-			writeErrorPage(pw, t, locale);
+			m_errorHandler.writeErrorPage(pw, t, locale);
 		}
 	}
-	
-	void writeErrorPage(PrintWriter pw, Throwable t, Locale locale) {
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		PrintStream ps = new PrintStream(baos);
-		FrankBundle bundle = FrankBundle.getInst(locale);
-		
-		pw.println("<HTML><HEAD><TITLE>" + 
-				bundle.get(FrankBundle.FRANK) + ": " +
-				bundle.get(FrankBundle.ERROR_PAGE) + 
-				"</TITLE></HEAD>");
-		pw.println("<BODY><H1>" +
-				bundle.get(FrankBundle.FRANK) + ": " +
-				bundle.get(FrankBundle.UNEXPECTED_ERROR) + 
-				"</H1><P><PRE>");
-
-		// Note that, if we cared about security, we would log this stack trace to a
-		// server log, and only report a cross-reference to the log file back to the 
-		// end user's browser, to avoid potentially exposing internal info that we 
-		// don't want to share.
-		// At least at this point, we don't care (that much), and trade off a 
-		// potential information leak in favour of reducing our code complexity
-		// and the administrator's workload.
-		t.printStackTrace(ps);
-		String stackTrace = baos.toString(); 
-		pw.println(stackTrace);
-				
-		pw.println("</PRE></P></BODY>");
-		pw.println("</HTML>");
-	}
-	
-
 }
diff --git a/prod/net/jaekl/qd/http/InvalidResponseException.java b/prod/net/jaekl/qd/http/InvalidResponseException.java
index 7d0bdc8..5240f15 100644
--- a/prod/net/jaekl/qd/http/InvalidResponseException.java
+++ b/prod/net/jaekl/qd/http/InvalidResponseException.java
@@ -19,6 +19,7 @@ public class InvalidResponseException extends QDException {
 	
 	public String getUrl() { return m_url; }
 	public String getMethod() { return m_method; }
+	public String getResponse() { return m_response; }
 	
 	@Override
 	public String toString() {
diff --git a/test/net/jaekl/frank/ErrorHandlerTest.java b/test/net/jaekl/frank/ErrorHandlerTest.java
new file mode 100644
index 0000000..4db0602
--- /dev/null
+++ b/test/net/jaekl/frank/ErrorHandlerTest.java
@@ -0,0 +1,102 @@
+package net.jaekl.frank;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.sql.SQLException;
+import java.util.Locale;
+
+import net.jaekl.qd.QDException;
+import net.jaekl.qd.http.InvalidResponseException;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+public class ErrorHandlerTest {
+	static final String GATEWAY = "http://www.jaekl.net/api";
+	static final String METHOD = "SampleApiMethod";
+	static final String RESPONSE = "Required parameter not specified.";
+	
+	ByteArrayOutputStream m_baos;
+	PrintWriter m_pw;
+	
+	@Before
+	public void setUp() {
+		m_baos = new ByteArrayOutputStream();
+		m_pw = new PrintWriter(m_baos);
+	}
+	
+	@After
+	public void tearDown() throws IOException {
+		m_pw.close();
+	}
+	
+	@Test
+	public void testWriteErrorPage_basicBehaviourWithVariousExceptions() {
+		ErrorHandler eh = new ErrorHandler();
+		
+		Throwable[] throwables = { 
+				new NullPointerException(),
+				new QDException(),
+				new SQLException(),
+				new InvalidResponseException(new NullPointerException(), GATEWAY, METHOD, RESPONSE)
+		};
+		
+		for (Throwable t : throwables) {
+			m_baos.reset();
+			eh.writeErrorPage(m_pw, t, Locale.CANADA);
+			m_pw.flush();
+			
+			String actual = m_baos.toString();
+			Assert.assertTrue(actual.contains("<TITLE>Frank: Error Page</TITLE>"));
+			Assert.assertTrue(actual.contains(t.toString()));
+		}
+	}
+	
+	@Test
+	public void testExplain_unexpectedException() {
+		Locale[] locales = { Locale.CANADA, Locale.FRANCE, Locale.JAPAN, Locale.CHINA};
+		
+		ErrorHandler eh = new ErrorHandler();
+		
+		for (Locale locale : locales) {
+			FrankBundle bundle = FrankBundle.getInst(locale);
+			
+			m_baos.reset();
+			eh.writeErrorPage(m_pw, new NullPointerException(),  Locale.CANADA);
+			m_pw.flush();
+			
+			String actual = m_baos.toString();
+			Assert.assertTrue(actual.contains(bundle.get(FrankBundle.UNEXPECTED_EXCEPTION)));
+		}
+	}
+	
+	@Test
+	public void testExplain_wrappedInvalidResponseException() {
+		Locale[] locales = { Locale.CANADA, Locale.FRANCE, Locale.JAPAN, Locale.CHINA};
+		
+		ErrorHandler eh = new ErrorHandler();
+		InvalidResponseException ire = new InvalidResponseException(null, GATEWAY, METHOD, RESPONSE);
+		FrankException fe = new FrankException(ire);
+		
+		for (Locale locale : locales) {
+			FrankBundle bundle = FrankBundle.getInst(locale);
+			
+			m_baos.reset();
+			eh.writeErrorPage(m_pw, fe,  Locale.CANADA);
+			m_pw.flush();
+			
+			String actual = m_baos.toString();
+			
+			Assert.assertTrue(actual.contains(bundle.get(FrankBundle.INVALID_RESPONSE)));
+			
+			Assert.assertTrue(actual.contains(bundle.get(FrankBundle.URL_CONTACTED)));
+			Assert.assertTrue(actual.contains(bundle.get(FrankBundle.REQUEST_MADE)));
+			Assert.assertTrue(actual.contains(bundle.get(FrankBundle.ANSWER_RECEIVED)));
+			
+			Assert.assertTrue(actual.contains(bundle.get(FrankBundle.MAYBE_SERVER_PROBLEM)));
+		}
+	}
+}
diff --git a/test/net/jaekl/frank/ScheduleTest.java b/test/net/jaekl/frank/ScheduleTest.java
index 2fc9ac2..7f30680 100644
--- a/test/net/jaekl/frank/ScheduleTest.java
+++ b/test/net/jaekl/frank/ScheduleTest.java
@@ -17,15 +17,8 @@ import org.junit.Before;
 import org.junit.Test;
 
 public class ScheduleTest {
-	static final String EXPECTED_STYLE = "<STYLE>\n" + 
-			"  body {background-color: #F0F0C0; font-size: 1.5em; }\n" + 
-			"  #trips {border-collapse: collapse; font-size: 1.5em; }\n" + 
-			"  #trips td, #trips th {border: 1px solid #600000; padding: 3px 3px 3px 3px; text-align: center;}\n" + 
-			"  #trips th {background-color: #800000; color: #FFFFFF; }\n" + 
-			"  #trips tr.ghost td {background-color: #C0C0C0;}\n" + 
-			"</STYLE>\n";
 	static final String TITLE_PREFIX = "<HTML>\n<HEAD>\n<TITLE>";
-	static final String TITLE_SUFFIX = "</TITLE>\n" + EXPECTED_STYLE + "</HEAD>\n";
+	static final String TITLE_SUFFIX = "</TITLE>\n" + Style.CSS + "\n</HEAD>\n";
 	
 	
 	ByteArrayOutputStream m_baos;
@@ -44,25 +37,6 @@ public class ScheduleTest {
 		}
 	}
 	
-	// Confirm that writeStyle's output does not vary with the locale
-	@Test
-	public void test_writeStyle() {
-		String actual;
-
-		Locale[] locales = { Locale.CANADA, Locale.CANADA_FRENCH, Locale.JAPAN };
-		
-		for (Locale locale : locales) {
-			m_baos.reset();
-			
-			Schedule schedule = new Schedule(locale);
-			schedule.writeStyle(m_pw);
-			m_pw.flush();
-			
-			actual = m_baos.toString();
-			Assert.assertEquals(EXPECTED_STYLE, actual);
-		}
-	}
-	
 	@Test
 	public void test_writeHeader() {
 		Locale[] locales = { Locale.CANADA, Locale.CANADA_FRENCH, Locale.JAPAN };
@@ -102,7 +76,7 @@ public class ScheduleTest {
 		
 		String actual = m_baos.toString();
 		
-		Assert.assertTrue(actual.contains(EXPECTED_STYLE));
+		Assert.assertTrue(actual.contains(Style.CSS));
 		
 		String expectedTitle = TITLE_PREFIX + "Frank: " + stopName + " (" + stopNo + ")" + TITLE_SUFFIX;
 		Assert.assertTrue(actual.contains(expectedTitle));
@@ -178,7 +152,7 @@ public class ScheduleTest {
 		
 		// Some rudimentary validation of the result.
 		// Should really go through more permutations, and examine them more closely, here.
-		Assert.assertTrue(actual.contains(EXPECTED_STYLE));
+		Assert.assertTrue(actual.contains(Style.CSS));
 		
 		String expectedTitle = TITLE_PREFIX + "Frank: " + stopName + " (" + stopNo + ")" + TITLE_SUFFIX;
 		Assert.assertTrue(actual.contains(expectedTitle));
diff --git a/test/net/jaekl/frank/StyleTest.java b/test/net/jaekl/frank/StyleTest.java
new file mode 100644
index 0000000..f08f649
--- /dev/null
+++ b/test/net/jaekl/frank/StyleTest.java
@@ -0,0 +1,45 @@
+package net.jaekl.frank;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import junit.framework.Assert;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class StyleTest {
+	ByteArrayOutputStream m_baos;
+	PrintWriter m_pw;
+	
+	@Before
+	public void setUp() {
+		m_baos = new ByteArrayOutputStream();
+		m_pw = new PrintWriter(m_baos);
+	}
+	
+	@After
+	public void tearDown() throws IOException {
+		if (null != m_baos) {
+			m_baos.close();
+		}
+	}
+	
+	// Should develop something here that is a bit smarter about what 
+	// it's looking for, and less brittle than a simple compare-against-master...
+	@Test
+	public void test_writeStyle() {
+		String actual;
+
+		m_baos.reset();
+		
+		Style style = new Style();
+		style.writeStyle(m_pw);
+		m_pw.flush();
+		
+		actual = m_baos.toString();
+		Assert.assertEquals(Style.CSS + "\n", actual);
+	}
+}
diff --git a/test/net/jaekl/frank/ViewScheduleTest.java b/test/net/jaekl/frank/ViewScheduleTest.java
index eec671f..673b343 100644
--- a/test/net/jaekl/frank/ViewScheduleTest.java
+++ b/test/net/jaekl/frank/ViewScheduleTest.java
@@ -1,12 +1,7 @@
 package net.jaekl.frank;
 
-import java.io.ByteArrayOutputStream;
-import java.io.PrintWriter;
-import java.sql.SQLException;
 import java.util.HashMap;
-import java.util.Locale;
 
-import net.jaekl.qd.QDException;
 import net.jaekl.qd.http.HttpServletRequestMock;
 
 import org.junit.Assert;
@@ -72,29 +67,4 @@ public class ViewScheduleTest {
 		value = vs.getParamString(reqMock, "notPresent");
 		Assert.assertEquals(null, value);
 	}
-
-	@Test
-	public void testWriteErrorPage() {
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		PrintWriter pw = new PrintWriter(baos);
-		
-		ViewSchedule vs = new ViewSchedule();
-		
-		Throwable[] throwables = { 
-				new NullPointerException(),
-				new QDException(),
-				new SQLException()
-		};
-		
-		for (Throwable t : throwables) {
-			baos.reset();
-			vs.writeErrorPage(pw, t, Locale.CANADA);	// TODO:  test translations
-			pw.flush();
-			
-			String actual = baos.toString();
-			Assert.assertTrue(actual.contains("<TITLE>Frank: Error Page</TITLE>"));
-			Assert.assertTrue(actual.contains(t.toString()));
-		}
-	}
-
 }
-- 
2.39.2