package org.skyscreamer.jsonassert;
import org.junit.Assert;
import org.json.JSONException;
import org.junit.Test;
import org.skyscreamer.jsonassert.Customization;
import org.skyscreamer.jsonassert.JSONCompareMode;
import org.skyscreamer.jsonassert.comparator.CustomComparator;
/**
* Unit tests for RegularExpressionValueMatcher
*
* @author Duncan Mackinder
*
*/
public class RegularExpressionValueMatcherTest {
private static final String ARRAY_ELEMENT_PREFIX = "d.results[0].__metadata.uri";
private static final String JSON_STRING_WITH_ARRAY = "{d:{results:[{__metadata:{uri:\"http://localhost:80/Person('1')\",type:Person},id:1}]}}";
private static final String CONSTANT_URI_REGEX_EXPECTED_JSON = "{d:{results:[{__metadata:{uri:X}}]}}";
private void doTest(String jsonPath, String regex, String expectedJSON,
String actualJSON) throws JSONException {
JSONAssert.assertEquals(expectedJSON, actualJSON, new CustomComparator(
JSONCompareMode.STRICT_ORDER, new Customization(jsonPath,
new RegularExpressionValueMatcher<Object>(regex))));
}
@Test
public void constantRegexWithSimplePathMatchsStringAttribute() throws JSONException {
doTest("a", "v.", "{a:x}", "{a:v1}");
}
@Test
public void constantRegexWithThreeLevelPathMatchsStringAttribute() throws JSONException {
doTest("a.b.c", ".*Is.*", "{a:{b:{c:x}}}", "{a:{b:{c:thisIsAString}}}");
}
@Test
public void dynamicRegexWithSimplePathMatchsStringAttribute() throws JSONException {
doTest("a", null, "{a:\"v.\"}", "{a:v1}");
}
@Test
public void dynamicRegexWithThreeLevelPathMatchsStringAttribute() throws JSONException {
doTest("a.b.c", null, "{a:{b:{c:\".*Is.*\"}}}",
"{a:{b:{c:thisIsAString}}}");
}
@Test
public void constantRegexMatchesStringAttributeInsideArray() throws JSONException {
doTest(ARRAY_ELEMENT_PREFIX, "http://localhost:80/Person\\('\\d+'\\)", CONSTANT_URI_REGEX_EXPECTED_JSON, JSON_STRING_WITH_ARRAY);
}
@Test
public void dynamicRegexMatchesStringAttributeInsideArray() throws JSONException {
doTest(ARRAY_ELEMENT_PREFIX, null, "{d:{results:[{__metadata:{uri:\"http://localhost:80/Person\\\\('\\\\d+'\\\\)\"}}]}}", JSON_STRING_WITH_ARRAY);
}
@Test
public void dynamicRegexMatchesStringAttributeInsideArrayWithNoArgConstructor() throws JSONException {
JSONAssert.assertEquals("{d:{results:[{__metadata:{uri:\"http://localhost:80/Person\\\\('\\\\d+'\\\\)\"}}]}}", JSON_STRING_WITH_ARRAY, new CustomComparator(
JSONCompareMode.STRICT_ORDER, new Customization(ARRAY_ELEMENT_PREFIX,
new RegularExpressionValueMatcher<Object>())));
}
@Test
public void failsWhenDynamicRegexInvalid() throws JSONException {
try {
doTest(ARRAY_ELEMENT_PREFIX, null, "{d:{results:[{__metadata:{uri:\"http://localhost:80/Person('\\\\d+'\\\\)\"}}]}}", JSON_STRING_WITH_ARRAY);
}
catch (AssertionError e) {
Assert.assertTrue("Invalid exception message returned: "+ e.getMessage(), e.getMessage().startsWith(ARRAY_ELEMENT_PREFIX + ": Dynamic expected pattern invalid: "));
}
}
@Test
public void failsWhenDynamicRegexDoesNotMatchStringAttributeInsideArray() throws JSONException {
try {
doTest(ARRAY_ELEMENT_PREFIX, null, "{d:{results:[{__metadata:{uri:\"http://localhost:80/Person\\\\('\\\\w+'\\\\)\"}}]}}", JSON_STRING_WITH_ARRAY);
}
catch (AssertionError e) {
Assert.assertTrue("Invalid exception message returned: "+ e.getMessage(), e.getMessage().startsWith(ARRAY_ELEMENT_PREFIX + ": Dynamic expected pattern did not match value"));
}
}
@Test
public void failsWhenConstantRegexInvalid() throws JSONException {
try {
doTest(ARRAY_ELEMENT_PREFIX, "http://localhost:80/Person\\\\['\\\\d+'\\\\)", CONSTANT_URI_REGEX_EXPECTED_JSON, JSON_STRING_WITH_ARRAY);
}
catch (IllegalArgumentException e) {
Assert.assertTrue("Invalid exception message returned: "+ e.getMessage(), e.getMessage().startsWith("Constant expected pattern invalid: "));
}
}
@Test
public void failsWhenConstantRegexDoesNotMatchStringAttributeInsideArray() throws JSONException {
try {
doTest(ARRAY_ELEMENT_PREFIX, "http://localhost:80/Person\\\\('\\\\w+'\\\\)", CONSTANT_URI_REGEX_EXPECTED_JSON, JSON_STRING_WITH_ARRAY);
}
catch (AssertionError e) {
Assert.assertTrue("Invalid exception message returned: "+ e.getMessage(), e.getMessage().startsWith(ARRAY_ELEMENT_PREFIX + ": Constant expected pattern did not match value"));
}
}
}