functions
This commit is contained in:
Sergey Solovyev
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package org.solovyev.android.calculator.model;
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import jscl.util.ExpressionGenerator;
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import org.hamcrest.BaseMatcher;
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import org.hamcrest.Description;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.junit.Assert;
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import org.junit.Test;
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import org.simpleframework.xml.Serializer;
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import org.simpleframework.xml.core.Persister;
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import org.solovyev.common.equals.CollectionEqualizer;
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import org.solovyev.common.equals.EqualsUtils;
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import org.solovyev.common.text.StringUtils;
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import java.io.StringWriter;
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import java.util.*;
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/**
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* User: serso
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* Date: 11/14/12
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* Time: 8:06 PM
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*/
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public class FunctionsTest {
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private static final String xml = "<functions>\n" +
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" <functions class=\"java.util.ArrayList\">\n" +
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" <function>\n" +
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" <name>test</name>\n" +
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" <body>x+y</body>\n" +
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" <parameterNames class=\"java.util.ArrayList\">\n" +
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" <string>x</string>\n" +
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" <string>y</string>\n" +
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" </parameterNames>\n" +
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" <system>false</system>\n" +
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" <description>description</description>\n" +
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" </function>\n" +
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" <function>\n" +
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" <name>z_2</name>\n" +
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" <body>e^(z_1^2+z_2^2)</body>\n" +
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" <parameterNames class=\"java.util.ArrayList\">\n" +
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" <string>z_1</string>\n" +
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" <string>z_2</string>\n" +
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" </parameterNames>\n" +
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" <system>true</system>\n" +
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" <description></description>\n" +
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" </function>\n" +
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" <function>\n" +
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" <name>z_2</name>\n" +
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" <body>e^(z_1^2+z_2^2)</body>\n" +
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" <parameterNames class=\"java.util.ArrayList\">\n" +
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" <string>z_1</string>\n" +
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" <string>z_2</string>\n" +
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" </parameterNames>\n" +
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" <system>true</system>\n" +
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" <description></description>\n" +
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" </function>\n" +
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" </functions>\n" +
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"</functions>";
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@Test
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public void testXml() throws Exception {
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final Functions in = new Functions();
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AFunction first = new AFunction.Builder("test", "x+y", Arrays.asList("x", "y")).setDescription("description").setSystem(false).create();
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in.getEntities().add(first);
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AFunction second = new AFunction.Builder("z_2", "e^(z_1^2+z_2^2)", Arrays.asList("z_1", "z_2")).setSystem(true).create();
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in.getEntities().add(second);
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AFunction third = new AFunction.Builder("z_2", "e^(z_1^2+z_2^2)", Arrays.asList("z_1", "z_2")).setSystem(true).setDescription("").create();
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in.getEntities().add(third);
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final Functions out = testXml(in, xml);
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Assert.assertTrue(!out.getEntities().isEmpty());
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final AFunction firstOut = out.getEntities().get(0);
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final AFunction secondOut = out.getEntities().get(1);
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assertEquals(first, firstOut);
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assertEquals(second, secondOut);
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}
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@NotNull
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private Functions testXml(@NotNull Functions in, @Nullable String expectedXml) throws Exception {
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final String actualXml = toXml(in);
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if (expectedXml != null) {
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Assert.assertEquals(expectedXml, actualXml);
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}
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final Serializer serializer = new Persister();
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final Functions out = serializer.read(Functions.class, actualXml);
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final String actualXml2 = toXml(out);
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Assert.assertEquals(actualXml, actualXml2);
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return out;
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}
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private String toXml(Functions in) throws Exception {
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final StringWriter sw = new StringWriter();
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final Serializer serializer = new Persister();
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serializer.write(in, sw);
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return sw.toString();
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}
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@Test
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public void testRandomXml() throws Exception {
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final Functions in = new Functions();
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final Random random = new Random(new Date().getTime());
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ExpressionGenerator generator = new ExpressionGenerator(10);
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for ( int i = 0; i < 1000; i++ ) {
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final String content = generator.generate();
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final String paramsString = StringUtils.generateRandomString(random.nextInt(10));
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final List<String> parameterNames = new ArrayList<String>();
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for (int j = 0; j < paramsString.length(); j++) {
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parameterNames.add(String.valueOf(paramsString.charAt(j)));
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}
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final AFunction.Builder builder = new AFunction.Builder("test_" + i, content, parameterNames);
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if ( random.nextBoolean() ) {
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builder.setDescription(StringUtils.generateRandomString(random.nextInt(100)));
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}
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builder.setSystem(random.nextBoolean());
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in.getEntities().add(builder.create());
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}
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testXml(in, null);
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}
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private void assertEquals(@NotNull final AFunction expected,
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@NotNull AFunction actual) {
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//Assert.assertEquals(expected.getId(), actual.getId());
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Assert.assertEquals(expected.getContent(), actual.getContent());
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Assert.assertEquals(expected.getDescription(), actual.getDescription());
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Assert.assertEquals(expected.getName(), actual.getName());
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Assert.assertThat(actual.getParameterNames(), new BaseMatcher<List<String>>() {
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@Override
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public boolean matches(Object item) {
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return EqualsUtils.areEqual(expected.getParameterNames(), (List<String>)item, new CollectionEqualizer<String>(null));
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}
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@Override
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public void describeTo(Description description) {
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}
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});
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}
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}
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