commit c7bd2ea2636f8210a1c39a3a91e2046d0a81ac38 Author: kalle Date: Mon Jan 24 14:52:09 2011 +0100 initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 00000000..03b283a7 --- /dev/null +++ b/.gitignore @@ -0,0 +1,10 @@ +.idea/ +target +*.iws +*.ipr +*.iml +.classpath +.project +.settings +.springBeans +.DS_Store diff --git a/LICENSE b/LICENSE new file mode 100644 index 00000000..d6456956 --- /dev/null +++ b/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + 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. diff --git a/README b/README new file mode 100644 index 00000000..55302b12 --- /dev/null +++ b/README @@ -0,0 +1 @@ +Java DSL for easy testing and reading of JSON data \ No newline at end of file diff --git a/changelog.txt b/changelog.txt new file mode 100644 index 00000000..e69de29b diff --git a/examples/pom.xml b/examples/pom.xml new file mode 100644 index 00000000..9a52da97 --- /dev/null +++ b/examples/pom.xml @@ -0,0 +1,18 @@ + + + 4.0.0 + + json-assert-parent + com.jayway.jsonassert + 1.0-SNAPSHOT + + com.jayway.jsonassert + examples + 1.0-SNAPSHOT + examples + http://maven.apache.org + + + diff --git a/json-assert/pom.xml b/json-assert/pom.xml new file mode 100644 index 00000000..0f55e93c --- /dev/null +++ b/json-assert/pom.xml @@ -0,0 +1,66 @@ + + + + 4.0.0 + + com.jayway.jsonassert + json-assert-parent + 1.0-SNAPSHOT + + com.jayway.jsonassert + json-assert + jar + 1.0-SNAPSHOT + json-assert + http://maven.apache.org + + + + + com.googlecode.json-simple + json-simple + 1.1 + + + + org.hamcrest + hamcrest-all + 1.1 + + + + commons-beanutils + commons-beanutils + 1.8.3 + + + + commons-lang + commons-lang + 2.5 + + + + junit + junit + 4.8.2 + test + + + + diff --git a/json-assert/src/main/java/com/jayway/jsonassert/InvalidPathException.java b/json-assert/src/main/java/com/jayway/jsonassert/InvalidPathException.java new file mode 100644 index 00000000..24670271 --- /dev/null +++ b/json-assert/src/main/java/com/jayway/jsonassert/InvalidPathException.java @@ -0,0 +1,9 @@ +package com.jayway.jsonassert; + +/** + * User: kalle stenflo + * Date: 1/24/11 + * Time: 10:09 AM + */ +public class InvalidPathException extends RuntimeException { +} diff --git a/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONAsserter.java b/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONAsserter.java new file mode 100644 index 00000000..29837790 --- /dev/null +++ b/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONAsserter.java @@ -0,0 +1,51 @@ +package com.jayway.jsonassert.impl; + + +import org.hamcrest.Matcher; +import org.hamcrest.MatcherAssert; + +import java.text.ParseException; + +import static org.hamcrest.Matchers.*; + +/** + * User: kalle stenflo + * Date: 1/21/11 + * Time: 3:43 PM + */ +public class JSONAsserter { + + private final JSONReader reader; + + public static JSONAsserter with(String json) throws ParseException { + return new JSONAsserter(JSONReader.parse(json)); + } + + private JSONAsserter(JSONReader reader) { + this.reader = reader; + } + + public JSONAsserter assertThat(String path, Matcher matcher) { + + MatcherAssert.assertThat((T) reader.get(path), matcher); + + return this; + } + + public JSONAsserter assertEquals(String path, T expected) { + return assertThat(path, equalTo(expected)); + } + + public JSONAsserter assertNull(String path) { + return assertThat(path, nullValue()); + } + + public JSONAsserter assertNotNull(String path) { + return assertThat(path, notNullValue()); + } + + public JSONAsserter and(){ + return this; + } + +} diff --git a/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONPath.java b/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONPath.java new file mode 100644 index 00000000..1696ff76 --- /dev/null +++ b/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONPath.java @@ -0,0 +1,40 @@ +package com.jayway.jsonassert.impl; + +import java.util.LinkedList; +import java.util.Queue; + +/** + * User: kalle stenflo + * Date: 1/23/11 + * Time: 1:52 PM + */ +class JSONPath { + + private final Queue path; + + JSONPath(String path) { + this.path = compilePathFragments(path); + } + + public boolean hasMoreFragments(){ + return !path.isEmpty(); + } + + public JSONPathFragment nextFragment(){ + return path.poll(); + } + + private Queue compilePathFragments(String path) { + //TODO: this needs some attention but will work for now + Queue processed = new LinkedList(); + for (String fragment : path.split("[\\.|\\[]")) { + if (fragment.trim().length() > 0) { + + String compiledFragment = fragment.endsWith("]") ? "[" + fragment : fragment; + + processed.add(new JSONPathFragment(compiledFragment)); + } + } + return processed; + } +} diff --git a/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONPathFragment.java b/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONPathFragment.java new file mode 100644 index 00000000..58029c05 --- /dev/null +++ b/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONPathFragment.java @@ -0,0 +1,48 @@ +package com.jayway.jsonassert.impl; + +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +/** + * User: kalle stenflo + * Date: 1/23/11 + * Time: 1:55 PM + */ +class JSONPathFragment { + + private static final Pattern ARRAY_POSITION_PATTER = Pattern.compile("\\[(\\d*)\\]"); + private static final Pattern GROOVY_POSITION_PATTER = Pattern.compile("get\\((\\d*)\\)"); + + private static final Pattern ARRAY_WILDCARD_PATTER = Pattern.compile("\\[\\*\\]"); + private static final Pattern GROOVY_WILDCARD_PATTER = Pattern.compile("get\\(\\*\\)"); + + private final String fragment; + + JSONPathFragment(String fragment) { + this.fragment = fragment; + } + + public String fragment() { + return fragment; + } + + public boolean isArrayIndex() { + return ARRAY_POSITION_PATTER.matcher(fragment).matches() || GROOVY_POSITION_PATTER.matcher(fragment).matches(); + } + + public boolean isArrayWildcard() { + return ARRAY_WILDCARD_PATTER.matcher(fragment).matches() || GROOVY_WILDCARD_PATTER.matcher(fragment).matches(); + } + + public int getArrayIndex() { + Matcher matcher = ARRAY_POSITION_PATTER.matcher(fragment); + if (matcher.matches()) { + return Integer.parseInt(matcher.group(1)); + } + matcher = GROOVY_POSITION_PATTER.matcher(fragment); + if (matcher.matches()) { + return Integer.parseInt(matcher.group(1)); + } + throw new IllegalArgumentException("not an array index fragment"); + } +} diff --git a/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONReader.java b/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONReader.java new file mode 100644 index 00000000..735db905 --- /dev/null +++ b/json-assert/src/main/java/com/jayway/jsonassert/impl/JSONReader.java @@ -0,0 +1,145 @@ +package com.jayway.jsonassert.impl; + +import com.jayway.jsonassert.InvalidPathException; +import org.json.simple.JSONArray; +import org.json.simple.JSONObject; +import org.json.simple.parser.JSONParser; +import org.json.simple.parser.ParseException; + +import java.util.LinkedList; +import java.util.List; +import java.util.Map; + +import static org.apache.commons.lang.Validate.notNull; + +/** + * User: kalle stenflo + * Date: 1/20/11 + * Time: 4:27 PM + */ +public class JSONReader { + + + private static final JSONParser JSON_PARSER = new JSONParser(); + + private Object root; + + + public static JSONReader parse(String jsonDoc) throws java.text.ParseException { + try { + return new JSONReader(JSON_PARSER.parse(jsonDoc)); + } catch (ParseException e) { + throw new java.text.ParseException(e.getMessage(), e.getPosition()); + } + } + + public boolean hasJsonPath(String path) { + boolean contains = true; + try { + get(path); + } catch (InvalidPathException e) { + contains = false; + } + return contains; + } + + public boolean isNull(String path){ + return (null == get(path)); + } + + public Object get(String path) { + return getByPath(Object.class, path); + } + + public String getString(String path) { + return getByPath(String.class, path); + } + + public Long getLong(String path) { + return getByPath(Long.class, path); + } + + public Boolean getBoolean(String path) { + return getByPath(Boolean.class, path); + } + + public List getList(String path) { + return getByPath(List.class, path); + } + + public Map getMap(String path) { + return getByPath(Map.class, path); + } + + + //------------------------------------------------------------ + // + // private methods + // + //------------------------------------------------------------ + private JSONReader(Object root) { + notNull(root, "root object can not be null"); + this.root = root; + } + + private T getByPath(Class clazz, String stringPath) { + Object current = this.root; + JSONPath path = new JSONPath(stringPath); + + while (path.hasMoreFragments()) { + JSONPathFragment fragment = path.nextFragment(); + if (fragment.isArrayIndex()) { + current = getArray(current).get(fragment.getArrayIndex()); + } else if (fragment.isArrayWildcard()) { + current = getContainerValue(current, path.nextFragment().fragment()); + } else { + current = getContainerValue(current, fragment.fragment()); + } + } + return clazz.cast(current); + } + + private JSONArray getArray(Object array) { + return (JSONArray) array; + } + + private JSONObject getDocument(Object document) { + return (JSONObject) document; + } + + /** + * Extracts a field from a given container. If the given container + * is an Array the field specified represents a field in the objects + * contained in the array. Values from all instances of this field + * will be returned in a List + * + * @param container a json document or array + * @param field the field to extract from the document alt. the documents contained in the array + * @return a single field value or a List of fields + */ + private Object getContainerValue(Object container, Object field) { + Object result; + + if (container instanceof JSONArray) { + List list = new LinkedList(); + for (Object doc : getArray(container)) { + list.add(getContainerValue(doc, field)); + } + result = list; + + } else if (container instanceof JSONObject) { + JSONObject document = getDocument(container); + + if(!document.containsKey(field)){ + throw new InvalidPathException(); + } + + result = document.get(field); + } else { + throw new UnsupportedOperationException("can not get value from " + container.getClass().getName()); + } + //notNull(result, "invalid path: " + field); + + return result; + } +} diff --git a/json-assert/src/test/java/com/jayway/jsonassert/JSONAsserterTest.java b/json-assert/src/test/java/com/jayway/jsonassert/JSONAsserterTest.java new file mode 100644 index 00000000..1f77d22a --- /dev/null +++ b/json-assert/src/test/java/com/jayway/jsonassert/JSONAsserterTest.java @@ -0,0 +1,59 @@ +package com.jayway.jsonassert; + +import com.jayway.jsonassert.impl.JSONAsserter; +import org.junit.Test; + +import static org.hamcrest.Matchers.*; + +/** + * User: kalle stenflo + * Date: 1/21/11 + * Time: 4:04 PM + */ +public class JSONAsserterTest { + + private static String TEST_DOCUMENT = "{ \"nullField\" : null \"stringField\" : \"string-field\" , \"numberField\" : 1234 , \"booleanField\" : true , \"subDocument\" : {\"subField\" : \"sub-field\"} , \"stringList\" : [\"ONE\", \"TWO\"], \"objectList\" : [{\"subField\" : \"sub-field-0\"}, {\"subField\" : \"sub-field-1\"}], \"listList\" : [[\"0.0\", \"0.1\"], [\"1.0\", \"1.1\"]], }"; + + + @Test + public void a_path_can_be_asserted_with_matcher() throws Exception { + + JSONAsserter.with(TEST_DOCUMENT).assertThat("stringField", equalTo("string-field")); + } + + @Test + public void a_path_can_be_asserted_equal_to() throws Exception { + + JSONAsserter.with(TEST_DOCUMENT).assertEquals("stringField", "string-field"); + } + + @Test + public void a_path_can_be_asserted_is_null() throws Exception { + + JSONAsserter.with(TEST_DOCUMENT).assertNull("nullField"); + } + + @Test(expected = AssertionError.class) + public void failed_assert_throws() throws Exception { + + JSONAsserter.with(TEST_DOCUMENT).assertThat("stringField", equalTo("SOME CRAP")); + } + + + @Test + public void multiple_asserts_can_be_chained() throws Exception { + + JSONAsserter.with(TEST_DOCUMENT) + .assertThat("stringField", equalTo("string-field")) + .and() + .assertNull("nullField") + .and() + .assertThat("numberField", is(notNullValue())) + .assertEquals("stringField", "string-field"); + + } + + + + +} diff --git a/json-assert/src/test/java/com/jayway/jsonassert/JSONReaderTest.java b/json-assert/src/test/java/com/jayway/jsonassert/JSONReaderTest.java new file mode 100644 index 00000000..992ef5af --- /dev/null +++ b/json-assert/src/test/java/com/jayway/jsonassert/JSONReaderTest.java @@ -0,0 +1,214 @@ +package com.jayway.jsonassert; + +import com.jayway.jsonassert.impl.JSONReader; +import org.junit.Test; + +import java.text.ParseException; + +import static org.junit.Assert.*; + +/** + * User: kalle stenflo + * Date: 1/20/11 + * Time: 9:31 AM + */ +public class JSONReaderTest { + + + private static String TEST_DOCUMENT = "{ \"nullField\" : null \"stringField\" : \"string-field\" , \"numberField\" : 1234 , \"booleanField\" : true , \"subDocument\" : {\"subField\" : \"sub-field\"} , \"stringList\" : [\"ONE\", \"TWO\"], \"objectList\" : [{\"subField\" : \"sub-field-0\"}, {\"subField\" : \"sub-field-1\"}], \"listList\" : [[\"0.0\", \"0.1\"], [\"1.0\", \"1.1\"]], }"; + private static String TEST_DOCUMENT_ARRAY = "{ \"listList\" : [[\"0.0\", \"0.1\"], [\"1.0\", \"1.1\"]], }"; + private static String TEST_DEEP_PATH_DOCUMENT = "{ \"a\" : { \"b\" : { \"c\" : { \"say\" : \"hello\" } } }}"; + private static String TEST_ARRAY = "[{\"name\" : \"name0\"}, {\"name\" : \"name1\"}]"; + + + @Test(expected = ParseException.class) + public void invalid_json_not_accepted() throws Exception { + JSONReader.parse("not json"); + } + + @Test + public void a_string_field_can_be_accessed() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals("string-field", reader.getString("stringField")); + } + + @Test + public void is_null_returns_true_for_null_fields() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertTrue(reader.isNull("nullField")); + } + + @Test + public void is_null_returns_false_for_not_null_fields() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertFalse(reader.isNull("stringField")); + } + + + @Test + public void a_long_field_can_be_accessed() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertTrue(1234L == reader.getLong("numberField")); + } + + @Test + public void a_boolean_field_can_be_accessed() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals(true, reader.getBoolean("booleanField")); + } + + @Test + public void a_path_can_be_checked_for_existence() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DEEP_PATH_DOCUMENT); + + assertTrue(reader.hasJsonPath("a.b.c.say")); + } + + @Test + public void a_path_can_be_checked_for_non_existence() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DEEP_PATH_DOCUMENT); + + assertFalse(reader.hasJsonPath("a.b.c.FOO")); + } + + @Test + public void a_string_field_can_be_accessed_in_a_nested_document() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals("sub-field", reader.getString("subDocument.subField")); + } + + @Test + public void a_list_can_be_accessed_in_a_document() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals(2, reader.getList("stringList").size()); + } + + @Test + public void a_list_can_be_accessed_by_array_index() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals("ONE", reader.getString("stringList[0]")); + + assertEquals("TWO", reader.getString("stringList[1]")); + } + + @Test + public void a_list_can_be_accessed_by_groovy_index() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals("ONE", reader.getString("stringList.get(0)")); + + assertEquals("TWO", reader.getString("stringList.get(1)")); + } + + @Test + public void a_document_contained_in_a_list_can_be_accessed_by_array_index() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals("sub-field-0", reader.getString("objectList[0].subField")); + } + + @Test + public void a_document_contained_in_a_list_can_be_accessed_by_groovy_index() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals("sub-field-0", reader.getString("objectList.get(0).subField")); + } + + @Test + public void an_array_in_an_array_can_be_accessed_by_array_index() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT_ARRAY); + + assertEquals("0.0", reader.getString("listList[0][0]")); + assertEquals("0.1", reader.getString("listList[0][1]")); + assertEquals("1.0", reader.getString("listList[1][0]")); + assertEquals("1.1", reader.getString("listList[1][1]")); + } + + @Test + public void an_array_in_an_array_can_be_accessed_by_groovy_index() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT_ARRAY); + + assertEquals("0.0", reader.getString("listList.get(0).get(0)")); + assertEquals("0.1", reader.getString("listList.get(0).get(1)")); + assertEquals("1.0", reader.getString("listList.get(1).get(0)")); + assertEquals("1.1", reader.getString("listList.get(1).get(1)")); + } + + @Test + public void an_array_with_documents_can_be_accessed_by_index() throws Exception { + JSONReader reader = JSONReader.parse(TEST_ARRAY); + + assertEquals("name0", reader.getString("[0].name")); + assertEquals("name1", reader.getString("[1].name")); + } + + @Test + public void a_nested_document_can_be_accessed_as_a_map() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals("sub-field", reader.getMap("subDocument").get("subField")); + } + + + @Test + public void every_thing_can_be_fetched_as_object() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals(true, reader.get("booleanField")); + assertEquals(1234L, reader.get("numberField")); + assertEquals("string-field", reader.get("stringField")); + } + + @Test + public void a_deep_document_path_can_be_read() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DEEP_PATH_DOCUMENT); + + assertEquals("hello", reader.getString("a.b.c.say")); + } + + @Test(expected = InvalidPathException.class) + public void exception_is_thrown_when_field_is_not_found() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + String s = reader.getString("invalidProperty"); + + System.out.println("S= " + s); + + } + + + @Test + public void array_wildcard_property_extract() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + assertEquals(2, reader.getList("objectList[*].subField").size()); + + /* + + assertEquals(2, reader.getList("objectList[*.subField]").size()); + + assertEquals(2, reader.getList("objectList[subField='foo']").size()); + + assertEquals(2, reader.getList("objectList[].subField#foo").size()); + + */ + + } + + + @Test + public void list_to_string_returns_json() throws Exception { + JSONReader reader = JSONReader.parse(TEST_DOCUMENT); + + + assertEquals("[\"ONE\",\"TWO\"]", reader.getList("stringList").toString()); + } +} diff --git a/pom.xml b/pom.xml new file mode 100644 index 00000000..2ac6badd --- /dev/null +++ b/pom.xml @@ -0,0 +1,138 @@ + + + 4.0.0 + + org.sonatype.oss + oss-parent + 5 + + com.jayway.jsonassert + json-assert-parent + pom + 1.0-SNAPSHOT + http://code.google.com/p/rest-assured + json-assert-parent-pom + Java DSL for easy testing and reading of JSON data + 2011 + + GitHub Issue Tracking + + + + + Apache 2.0 + http://www.apache.org/licenses/LICENSE-2.0.html + + + + + Kalle Stenflo + kalle.stenflo + Jayway + http://www.jayway.com + kale.stenflo at gmail.com + +1 + + Developer + + + + + master + UTF-8 + + + http://github.com/jayway/json-assert/tree/${scm.branch} + scm:git:git://github.com/jayway/json-assert.git + scm:git:ssh://git@github.com/jayway/json-assert.git + + + + + json-assert mailing-list + http://groups.google.com/group/rest-assured/topics + + + + + json-assert + examples + + + + + + + + + + org.apache.maven.plugins + maven-compiler-plugin + + 1.5 + 1.5 + + + + + + + + release + + + + org.apache.maven.plugins + maven-javadoc-plugin + 2.7 + + + attach-javadocs + + jar + + + + + + org.apache.maven.plugins + maven-source-plugin + + + attach-sources + + jar + + + + + + + + + + + + + junit + junit + 4.8.2 + test + + + + \ No newline at end of file