From aeb1cbf4c4024b8473270553910566dac1857bc1 Mon Sep 17 00:00:00 2001 From: Patrick Adamek Date: Mon, 29 Nov 2021 11:55:31 +0100 Subject: [PATCH] Add tests for JsonSerialization --- .../serialization/JsonSerializationTest.java | 168 ++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100644 src/test/java/io/vlingo/xoom/common/serialization/JsonSerializationTest.java diff --git a/src/test/java/io/vlingo/xoom/common/serialization/JsonSerializationTest.java b/src/test/java/io/vlingo/xoom/common/serialization/JsonSerializationTest.java new file mode 100644 index 0000000..bda1787 --- /dev/null +++ b/src/test/java/io/vlingo/xoom/common/serialization/JsonSerializationTest.java @@ -0,0 +1,168 @@ +package io.vlingo.xoom.common.serialization; + +import com.google.gson.reflect.TypeToken; +import org.junit.Test; + +import java.lang.reflect.Type; +import java.time.LocalDate; +import java.time.LocalDateTime; +import java.time.OffsetDateTime; +import java.time.ZoneOffset; +import java.util.*; + +import static org.junit.Assert.assertEquals; + +public class JsonSerializationTest { + + @Test + public void canSerializeAString() { + assertEquals("\"some text\"", JsonSerialization.serialized("some text")); + } + + @Test + public void canDeserializeAString() { + assertEquals("some text", JsonSerialization.deserialized("\"some text\"", String.class)); + assertEquals("some text", JsonSerialization.deserialized("\"some text\"", (Type) String.class)); + } + + @Test + public void canSerializeAnInt() { + assertEquals("5", JsonSerialization.serialized(5)); + } + + @Test + public void canDeserializeAnInt() { + assertEquals(5, (int) JsonSerialization.deserialized("5", Integer.TYPE)); + assertEquals(5, (int) JsonSerialization.deserialized("5", (Type) Integer.TYPE)); + } + + @Test + public void canSerializeTestObject() { + assertEquals("{\"myString\":\"the string\",\"myInt\":6}", JsonSerialization.serialized(new TestObject("the string", 6))); + } + + @Test + public void canDeserializeTestObject() { + assertEquals(new TestObject("the string", 6), JsonSerialization.deserialized("{\"myString\":\"the string\",\"myInt\":6}", TestObject.class)); + assertEquals(new TestObject("the string", 6), JsonSerialization.deserialized("{\"myString\":\"the string\",\"myInt\":6}", (Type) TestObject.class)); + } + + @Test + public void canSerializeAClass() { + assertEquals("\"io.vlingo.xoom.common.serialization.JsonSerializationTest$TestObject\"", JsonSerialization.serialized(TestObject.class)); + } + + @Test + public void canDeserializeAClass() { + assertEquals(TestObject.class, JsonSerialization.deserialized("\"io.vlingo.xoom.common.serialization.JsonSerializationTest$TestObject\"", Class.class)); + assertEquals(TestObject.class, JsonSerialization.deserialized("\"io.vlingo.xoom.common.serialization.JsonSerializationTest$TestObject\"", (Type) Class.class)); + } + + @Test + public void canSerializeADate() { + assertEquals("\"61598790000000\"", JsonSerialization.serialized(new Date(2021, 11, 28))); + } + + @Test + public void canDeserializeADate() { + assertEquals(new Date(2021, 11, 28), JsonSerialization.deserialized("\"61598790000000\"", Date.class)); + assertEquals(new Date(2021, 11, 28), JsonSerialization.deserialized("\"61598790000000\"", (Type) Date.class)); + } + + @Test + public void canSerializeLocalDate() { + assertEquals("\"18959\"", JsonSerialization.serialized(LocalDate.of(2021, 11, 28))); + } + + @Test + public void canDeserializeLocalDate() { + assertEquals(LocalDate.of(2021, 11, 28), JsonSerialization.deserialized("\"18959\"", LocalDate.class)); + assertEquals(LocalDate.of(2021, 11, 28), JsonSerialization.deserialized("\"18959\"", (Type) LocalDate.class)); + } + + @Test + public void canDeserializeLocalDateFromJson() { + assertEquals(LocalDate.of(2021, 11, 28), JsonSerialization.deserialized("2021-11-28", LocalDate.class)); + assertEquals(LocalDate.of(2021, 11, 28), JsonSerialization.deserialized("2021-11-28", (Type) LocalDate.class)); + } + + @Test + public void canSerializeLocalDateTime() { + assertEquals("\"1638102780000\"", JsonSerialization.serialized(LocalDateTime.of(2021, 11, 28, 12, 33))); + } + + @Test + public void canDeserializeLocalDateTime() { + assertEquals(LocalDateTime.of(2021, 11, 28, 12, 33), JsonSerialization.deserialized("\"1638102780000\"", LocalDateTime.class)); + assertEquals(LocalDateTime.of(2021, 11, 28, 12, 33), JsonSerialization.deserialized("\"1638102780000\"", (Type) LocalDateTime.class)); + } + + @Test + public void canDeserializeLocalDateTimeFromJson() { + assertEquals(LocalDateTime.of(2021, 11, 28, 12, 33, 5), JsonSerialization.deserialized("\"2021-11-28T12:33:05\"", LocalDateTime.class)); + assertEquals(LocalDateTime.of(2021, 11, 28, 12, 33, 5), JsonSerialization.deserialized("\"2021-11-28T12:33:05\"", (Type) LocalDateTime.class)); + } + + @Test + public void canSerializeOffsetDateTime() { + assertEquals("\"1638095585000;+02:00\"", JsonSerialization.serialized(OffsetDateTime.of(2021, 11, 28, 12, 33, 05, 30, ZoneOffset.of("+02:00")))); + } + + @Test + public void canDeserializeOffsetDateTime() { + assertEquals(OffsetDateTime.of(2021, 11, 28, 12, 33, 05, 00, ZoneOffset.of("+02:00")), JsonSerialization.deserialized("\"1638095585000;+02:00\"", OffsetDateTime.class)); + assertEquals(OffsetDateTime.of(2021, 11, 28, 12, 33, 05, 00, ZoneOffset.of("+02:00")), JsonSerialization.deserialized("\"1638095585000;+02:00\"", (Type) OffsetDateTime.class)); + } + + @Test + public void canSerializeAList() { + List list = new ArrayList<>(); + list.add(new TestObject("text1", 1)); + list.add(new TestObject("text2", 2)); + list.add(new TestObject("text3", 3)); + assertEquals("[{\"myString\":\"text1\",\"myInt\":1},{\"myString\":\"text2\",\"myInt\":2},{\"myString\":\"text3\",\"myInt\":3}]", JsonSerialization.serialized(list)); + } + + @Test + public void canSerializeACollection() { + Collection list = new ArrayList<>(); + list.add(new TestObject("text1", 1)); + list.add(new TestObject("text2", 2)); + list.add(new TestObject("text3", 3)); + assertEquals("[{\"myString\":\"text1\",\"myInt\":1},{\"myString\":\"text2\",\"myInt\":2},{\"myString\":\"text3\",\"myInt\":3}]", JsonSerialization.serialized(list)); + } + + @Test + public void canDeserializeAList() { + Collection expectedList = new ArrayList<>(); + expectedList.add(new TestObject("text1", 1)); + expectedList.add(new TestObject("text2", 2)); + expectedList.add(new TestObject("text3", 3)); + + assertEquals(expectedList, JsonSerialization.deserializedList("[{\"myString\":\"text1\",\"myInt\":1},{\"myString\":\"text2\",\"myInt\":2},{\"myString\":\"text3\",\"myInt\":3}]", new TypeToken>() { + }.getType())); + } + + private static class TestObject { + private String myString; + private int myInt; + + public TestObject(String myString, int myInt) { + this.myString = myString; + this.myInt = myInt; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + TestObject that = (TestObject) o; + return myInt == that.myInt && myString.equals(that.myString); + } + + @Override + public int hashCode() { + return Objects.hash(myString, myInt); + } + } +}