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Added tests.

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Erik C. Thauvin 2019-04-07 14:46:45 -07:00
parent e77ccf3211
commit 03b932d502
2 changed files with 158 additions and 93 deletions
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187
src/main/java/net/thauvin/erik/mobibot/modules/CurrencyConverter.java
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@ -32,8 +32,11 @@
package net.thauvin.erik.mobibot.modules;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import net.thauvin.erik.mobibot.Mobibot;
import net.thauvin.erik.mobibot.Utils;
import net.thauvin.erik.mobibot.*;
import net.thauvin.erik.mobibot.msg.ErrorMessage;
import net.thauvin.erik.mobibot.msg.Message;
import net.thauvin.erik.mobibot.msg.PrivateMessage;
import net.thauvin.erik.mobibot.msg.PublicMessage;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
@ -56,24 +59,22 @@ import java.util.TreeMap;
* @since 1.0
*/
public final class CurrencyConverter extends AbstractModule {
/**
* The currency command.
*/
public static final String CURRENCY_CMD = "currency";
/**
* The rates keyword.
*/
public static final String CURRENCY_RATES_KEYWORD = "rates";
static final String CURRENCY_RATES_KEYWORD = "rates";
// The currency command.
private static final String CURRENCY_CMD = "currency";
// The exchange rates.
private static final Map<String, String> EXCHANGE_RATES = new TreeMap<>();
// The exchange rates table URL.
private static final String EXCHANGE_TABLE_URL = "http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml";
private static final String EXCHANGE_TABLE_URL = "https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml";
// The last exchange rates table publication date.
private String pubDate = "";
private static String pubDate = "";
/**
* Creates a new {@link CurrencyConverter} instance.
@ -82,6 +83,85 @@ public final class CurrencyConverter extends AbstractModule {
commands.add(CURRENCY_CMD);
}
static Message converyCurrency(String query) {
if (EXCHANGE_RATES.isEmpty()) {
try {
final SAXBuilder builder = new SAXBuilder();
builder.setIgnoringElementContentWhitespace(true);
final Document doc = builder.build(new URL(EXCHANGE_TABLE_URL));
final Element root = doc.getRootElement();
final Namespace ns = root.getNamespace("");
final Element cubeRoot = root.getChild("Cube", ns);
final Element cubeTime = cubeRoot.getChild("Cube", ns);
pubDate = cubeTime.getAttribute("time").getValue();
final List cubes = cubeTime.getChildren();
Element cube;
for (final Object rawCube : cubes) {
cube = (Element) rawCube;
EXCHANGE_RATES.put(
cube.getAttribute("currency").getValue(),
cube.getAttribute("rate").getValue());
}
EXCHANGE_RATES.put("EUR", "1");
} catch (JDOMException e) {
return new ErrorMessage("An error has occurred while parsing the exchange rates table.");
} catch (IOException e) {
return new ErrorMessage(
"An error has occurred while fetching the exchange rates table: " + e.getMessage());
}
}
if (EXCHANGE_RATES.isEmpty()) {
return new ErrorMessage("Sorry, but the exchange rate table is empty.");
} else {
final String[] cmds = query.split(" ");
if (cmds.length == 4) {
if (cmds[3].equals(cmds[1]) || cmds[0].equals("0")) {
return new ErrorMessage("You're kidding, right?");
} else {
try {
final double amt = Double.parseDouble(cmds[0].replaceAll(",", ""));
final double from = Double.parseDouble(EXCHANGE_RATES.get(cmds[1].toUpperCase()));
final double to = Double.parseDouble(EXCHANGE_RATES.get(cmds[3].toUpperCase()));
return new PublicMessage(
NumberFormat.getCurrencyInstance(Locale.US).format(amt).substring(1)
+ ' '
+ cmds[1].toUpperCase()
+ " = "
+ NumberFormat.getCurrencyInstance(Locale.US)
.format((amt * to) / from)
.substring(1)
+ ' '
+ cmds[3].toUpperCase());
} catch (NullPointerException ignored) {
return new ErrorMessage(
"The supported currencies are: " + EXCHANGE_RATES.keySet().toString());
}
}
} else if (query.equals(CURRENCY_RATES_KEYWORD)) {
final StringBuilder buff = new StringBuilder('[' + pubDate + "]: ");
int i = 0;
for (final Map.Entry<String, String> rate : EXCHANGE_RATES.entrySet()) {
if (i > 0) buff.append(", ");
buff.append(rate.getKey()).append(": ").append(rate.getValue());
i++;
}
return new PrivateMessage(buff.toString());
}
}
return new ErrorMessage("The supported currencies are: " + EXCHANGE_RATES.keySet().toString());
}
/**
* {@inheritDoc}
*/
@ -117,92 +197,15 @@ public final class CurrencyConverter extends AbstractModule {
*/
@SuppressFBWarnings(value = "REDOS")
private void run(final Mobibot bot, final String sender, final String query) {
if (Utils.isValidString(sender)) {
if (EXCHANGE_RATES.isEmpty()) {
try {
final SAXBuilder builder = new SAXBuilder();
builder.setIgnoringElementContentWhitespace(true);
final Document doc = builder.build(new URL(EXCHANGE_TABLE_URL));
final Element root = doc.getRootElement();
final Namespace ns = root.getNamespace("");
final Element cubeRoot = root.getChild("Cube", ns);
final Element cubeTime = cubeRoot.getChild("Cube", ns);
pubDate = cubeTime.getAttribute("time").getValue();
final List cubes = cubeTime.getChildren();
Element cube;
for (final Object rawCube : cubes) {
cube = (Element) rawCube;
EXCHANGE_RATES.put(
cube.getAttribute("currency").getValue(),
cube.getAttribute("rate").getValue());
}
EXCHANGE_RATES.put("EUR", "1");
} catch (JDOMException e) {
bot.getLogger().debug("Unable to parse the exchange rates table.", e);
bot.send(sender, "An error has occurred while parsing the exchange rates table.");
} catch (IOException e) {
bot.getLogger().debug("Unable to fetch the exchange rates table.", e);
bot.send(sender,
"An error has occurred while fetching the exchange rates table: " + e.getMessage());
}
}
if (EXCHANGE_RATES.isEmpty()) {
bot.getLogger().debug("The exchange rate table is empty.");
bot.send(sender, "Sorry, but the exchange rate table is empty.");
} else if (Utils.isValidString(query)) {
if (!EXCHANGE_RATES.isEmpty()) {
if (Utils.isValidString(sender) && Utils.isValidString(query)) {
if (query.matches("\\d+([,\\d]+)?(\\.\\d+)? [a-zA-Z]{3}+ to [a-zA-Z]{3}+")) {
final String[] cmds = query.split(" ");
if (cmds.length == 4) {
if (cmds[3].equals(cmds[1]) || cmds[0].equals("0")) {
bot.send(sender, "You're kidding, right?");
} else {
try {
final double amt = Double.parseDouble(cmds[0].replaceAll(",", ""));
final double from = Double.parseDouble(EXCHANGE_RATES.get(cmds[1].toUpperCase()));
final double to = Double.parseDouble(EXCHANGE_RATES.get(cmds[3].toUpperCase()));
bot.send(bot.getChannel(),
NumberFormat.getCurrencyInstance(Locale.US).format(amt).substring(1)
+ ' '
+ cmds[1].toUpperCase()
+ " = "
+ NumberFormat.getCurrencyInstance(Locale.US)
.format((amt * to) / from)
.substring(1)
+ ' '
+ cmds[3].toUpperCase());
} catch (NullPointerException ignored) {
bot.send(sender,
"The supported currencies are: " + EXCHANGE_RATES.keySet().toString());
}
}
}
} else if (query.equals(CURRENCY_RATES_KEYWORD)) {
bot.send(sender, "Last Update: " + pubDate);
final StringBuilder buff = new StringBuilder(0);
for (final Map.Entry<String, String> rate : EXCHANGE_RATES.entrySet()) {
if (buff.length() > 0) {
buff.append(", ");
}
buff.append(rate.getKey()).append(": ").append(rate.getValue());
}
bot.send(sender, buff.toString());
}
final Message msg = converyCurrency(query.substring(query.indexOf(' ')));
if (msg.isError()) {
helpResponse(bot, sender, CURRENCY_CMD + ' ' + query, true);
}
bot.send(msg.isPrivate() ? sender : bot.getChannel(), msg.getMessage());
} else {
helpResponse(bot, sender, CURRENCY_CMD + ' ' + query, true);
bot.send(sender, "The supported currencies are: " + EXCHANGE_RATES.keySet().toString());
}
}
}

62
src/test/java/net/thauvin/erik/mobibot/modules/CurrencyConvertTest.java Normal file
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@ -0,0 +1,62 @@
/*
* CurrencyConvertTest.java
*
* Copyright (c) 2004-2019, Erik C. Thauvin (erik@thauvin.net)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of this project nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package net.thauvin.erik.mobibot.modules;
import org.testng.annotations.Test;
import static org.assertj.core.api.Assertions.assertThat;
/**
* The <code>CurrencyConvertTest</code> class.
*
* @author <a href="https://erik.thauvin.net/" target="_blank">Erik C. Thauvin</a>
* @created 2019-04-07
* @since 1.0
*/
public class CurrencyConvertTest {
@Test
public void testLookupImpl() {
AbstractModuleTest.testAbstractModule(new CurrencyConverter());
}
@Test
public void testConvertCurrency() {
assertThat(CurrencyConverter.converyCurrency("100 USD to EUR").getMessage())
.as("100 USD to EUR").startsWith("100.00 USD = ");
assertThat(CurrencyConverter.converyCurrency("100 BLA to USD").isError())
.as("100 BLA to USD").isTrue();
assertThat(CurrencyConverter.converyCurrency(CurrencyConverter.CURRENCY_RATES_KEYWORD).isPrivate())
.as(CurrencyConverter.CURRENCY_RATES_KEYWORD + " is private").isTrue();
assertThat(CurrencyConverter.converyCurrency(CurrencyConverter.CURRENCY_RATES_KEYWORD).getMessage())
.as(CurrencyConverter.CURRENCY_RATES_KEYWORD).contains("USD: ");
}
}