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BAEL-2412 

Replace main apps by unit tests.
This commit is contained in:
Javier 2018-12-04 20:32:02 +01:00
parent 44e5a0b6a2
commit 4c0ce1d746
17 changed files with 180 additions and 267 deletions
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17
gson/src/main/java/org/baeldung/gson/primitives/allprimitives/fromJsonPrimitiveTypes.java
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@ -1,17 +0,0 @@
package org.baeldung.gson.primitives.allprimitives;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonBundle;
public class fromJsonPrimitiveTypes {
public static void main(String[] args) {
String json = "{\"value\": 17, \"shortValue\": 3, \"intValue\": 3, "
+ "\"longValue\": 3, \"floatValue\": 3.5" + ", \"doubleValue\": 3.5"
+ ", \"booleanValue\": true, \"charValue\": \"a\"}";
Gson gson = new Gson();
GsonBundle gsonBundle = gson.fromJson(json, GsonBundle.class);
System.out.println(gsonBundle);
}
}

13
gson/src/main/java/org/baeldung/gson/primitives/allprimitives/toJsonPrimitiveTypes.java
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@ -1,13 +0,0 @@
package org.baeldung.gson.primitives.allprimitives;
import org.baeldung.gson.primitives.models.GsonBundle;
import com.google.gson.Gson;
public class toJsonPrimitiveTypes {
public static void main(String[] args) {
GsonBundle gsonBundle = new GsonBundle();
Gson gson = new Gson();
System.out.println(gson.toJson(gsonBundle));
}
}

16
gson/src/main/java/org/baeldung/gson/primitives/booleanvalue/JsonIntegerRepresentationBooleanValue.java
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@ -1,16 +0,0 @@
package org.baeldung.gson.primitives.booleanvalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonBoolean;
public class JsonIntegerRepresentationBooleanValue {
public static void main(String[] args) {
// Raises exception.
String json = "{\"value\": 1}";
Gson gson = new Gson();
GsonBoolean model = gson.fromJson(json, GsonBoolean.class);
System.out.println(model);
}
}

15
gson/src/main/java/org/baeldung/gson/primitives/booleanvalue/JsonInvalidValueWithinStringBooleanValue.java
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@ -1,15 +0,0 @@
package org.baeldung.gson.primitives.booleanvalue;
import com.google.gson.Gson;
public class JsonInvalidValueWithinStringBooleanValue {
public static void main(String[] args) {
// It is ignored.
String json = "{\"value\": \"15x\"}";
Gson gson = new Gson();
org.baeldung.gson.primitives.models.GsonBoolean model = gson.fromJson(json, org.baeldung.gson.primitives.models.GsonBoolean.class);
System.out.println(model);
}
}

16
gson/src/main/java/org/baeldung/gson/primitives/booleanvalue/JsonYesRepresentationBooleanValue.java
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@ -1,16 +0,0 @@
package org.baeldung.gson.primitives.booleanvalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonBoolean;
public class JsonYesRepresentationBooleanValue {
public static void main(String[] args) {
// It fails silently.
String json = "{\"value\": yes}";
Gson gson = new Gson();
GsonBoolean model = gson.fromJson(json, GsonBoolean.class);
System.out.println(model);
}
}

27
gson/src/main/java/org/baeldung/gson/primitives/bytevalue/ToJsonBitString.java
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@ -1,27 +0,0 @@
package org.baeldung.gson.primitives.bytevalue;
import com.google.gson.*;
import org.baeldung.gson.primitives.models.GsonBitString;
import java.lang.reflect.Type;
public class ToJsonBitString {
public static void main(String[] args) {
GsonBuilder builder = new GsonBuilder();
builder.registerTypeAdapter(GsonBitString.class, new GsonBitStringSerializer());
Gson gson = builder.create();
GsonBitString model = new GsonBitString();
model.value = (byte) 0b1111;
System.out.println(gson.toJson(model));
}
static class GsonBitStringSerializer implements JsonSerializer<GsonBitString> {
@Override public JsonElement serialize(GsonBitString gsonBundle, Type type, JsonSerializationContext jsonSerializationContext) {
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty("value", Integer.toBinaryString(gsonBundle.value));
return jsonObject;
}
}
}

28
gson/src/main/java/org/baeldung/gson/primitives/bytevalue/fromJsonBitString.java
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@ -1,28 +0,0 @@
package org.baeldung.gson.primitives.bytevalue;
import com.google.gson.*;
import org.baeldung.gson.primitives.models.GsonBitString;
import java.lang.reflect.Type;
public class fromJsonBitString {
public static void main(String[] args) {
String json = "{\"value\": \"1111\"}";
GsonBuilder gsonBuilder = new GsonBuilder();
gsonBuilder.registerTypeAdapter(GsonBitString.class, new GsonBitStringDeserializer());
Gson gson = gsonBuilder.create();
System.out.println(gson.fromJson(json, GsonBitString.class));
}
static class GsonBitStringDeserializer implements JsonDeserializer<GsonBitString> {
@Override public GsonBitString deserialize(JsonElement jsonElement,
Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
GsonBitString gsonBitString = new GsonBitString();
gsonBitString.value = (byte) Integer.parseInt(
jsonElement.getAsJsonObject().getAsJsonPrimitive("value").getAsString(), 2);
return gsonBitString;
}
}
}

15
gson/src/main/java/org/baeldung/gson/primitives/charvalue/JsonUnicodeCharValue.java
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@ -1,15 +0,0 @@
package org.baeldung.gson.primitives.charvalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonChar;
public class JsonUnicodeCharValue {
public static void main(String[] args) {
// The field is converted.
Gson gson = new Gson();
String json = "{\"value\": \"\\u00AE\"}";
GsonChar model = gson.fromJson(json, GsonChar.class);
System.out.println(model);
}
}

15
gson/src/main/java/org/baeldung/gson/primitives/numbervalue/JsonNonCompatibleNumberTypeValue.java
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@ -1,15 +0,0 @@
package org.baeldung.gson.primitives.numbervalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonBitString;
public class JsonNonCompatibleNumberTypeValue {
public static void main(String[] args) {
// Raises an exception.
Gson gson = new Gson();
String json = "{\"value\": 2.3}";
GsonBitString model = gson.fromJson(json, GsonBitString.class);
System.out.println(model);
}
}

15
gson/src/main/java/org/baeldung/gson/primitives/numbervalue/JsonOverflowValue.java
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@ -1,15 +0,0 @@
package org.baeldung.gson.primitives.numbervalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonBitString;
public class JsonOverflowValue {
public static void main(String[] args) {
// Overflow happens unnoticed.
Gson gson = new Gson();
String json = "{\"value\": \"300\"}";
GsonBitString model = gson.fromJson(json, GsonBitString.class);
System.out.println(model);
}
}

15
gson/src/main/java/org/baeldung/gson/primitives/numbervalue/JsonPrecissionMismatchValue.java
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@ -1,15 +0,0 @@
package org.baeldung.gson.primitives.numbervalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonFloat;
public class JsonPrecissionMismatchValue {
public static void main(String[] args) {
String json = "{\"value\": 12.123456789123456}";
Gson gson = new Gson();
GsonFloat model = gson.fromJson(json, GsonFloat.class);
System.out.println(model);
}
}

15
gson/src/main/java/org/baeldung/gson/primitives/specialvalue/JsonEmptyValue.java
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@ -1,15 +0,0 @@
package org.baeldung.gson.primitives.specialvalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonBitString;
public class JsonEmptyValue {
public static void main(String[] args) {
// Raises an exception.
Gson gson = new Gson();
String json = "{\"value\": \"\"}";
GsonBitString model = gson.fromJson(json, GsonBitString.class);
System.out.println(model);
}
}

15
gson/src/main/java/org/baeldung/gson/primitives/specialvalue/JsonInvalidStringValue.java
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@ -1,15 +0,0 @@
package org.baeldung.gson.primitives.specialvalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonBitString;
public class JsonInvalidStringValue {
public static void main(String[] args) {
// Raises an exception.
Gson gson = new Gson();
String json = "{\"value\": \"15x\"}";
GsonBitString model = gson.fromJson(json, GsonBitString.class);
System.out.println(model);
}
}

15
gson/src/main/java/org/baeldung/gson/primitives/specialvalue/JsonInvalidValue.java
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@ -1,15 +0,0 @@
package org.baeldung.gson.primitives.specialvalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonBitString;
public class JsonInvalidValue {
public static void main(String[] args) {
// Raises an exception.
Gson gson = new Gson();
String json = "{\"value\": s15s}";
GsonBitString model = gson.fromJson(json, GsonBitString.class);
System.out.println(model);
}
}

15
gson/src/main/java/org/baeldung/gson/primitives/specialvalue/JsonNullValue.java
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@ -1,15 +0,0 @@
package org.baeldung.gson.primitives.specialvalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonBitString;
public class JsonNullValue {
public static void main(String[] args) {
// The field will just be ignored.
Gson gson = new Gson();
String json = "{\"value\": null}";
GsonBitString model = gson.fromJson(json, GsonBitString.class);
System.out.println(model);
}
}

15
gson/src/main/java/org/baeldung/gson/primitives/specialvalue/JsonValidStringValue.java
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@ -1,15 +0,0 @@
package org.baeldung.gson.primitives.specialvalue;
import com.google.gson.Gson;
import org.baeldung.gson.primitives.models.GsonBitString;
public class JsonValidStringValue {
public static void main(String[] args) {
// The field is converted.
Gson gson = new Gson();
String json = "{\"value\": \"15\"}";
GsonBitString model = gson.fromJson(json, GsonBitString.class);
System.out.println(model);
}
}

180
gson/src/test/java/org/baeldung/gson/primitives/UnitTest.java Normal file
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@ -0,0 +1,180 @@
package org.baeldung.gson.primitives;
import com.google.gson.*;
import org.baeldung.gson.primitives.models.*;
import org.junit.Test;
import java.lang.reflect.Type;
import static junit.framework.TestCase.*;
public class UnitTest {
@Test public void toJsonAllPrimitives() {
GsonBundle gsonBundle = new GsonBundle();
Gson gson = new Gson();
String expected = "{\"byteValue\":17,\"shortValue\":3,\"intValue\":3," + "\"longValue\":3,\"floatValue\":3.5" + ",\"doubleValue\":3.5" + ",\"booleanValue\":true,\"charValue\":\"a\"}";
assertEquals(expected, gson.toJson(gsonBundle));
}
@Test public void fromJsonAllPrimitives() {
String json = "{\"byteValue\": 17, \"shortValue\": 3, \"intValue\": 3, " + "\"longValue\": 3, \"floatValue\": 3.5" + ", \"doubleValue\": 3.5" + ", \"booleanValue\": true, \"charValue\": \"a\"}";
Gson gson = new Gson();
GsonBundle model = gson.fromJson(json, GsonBundle.class);
assertEquals(17, model.byteValue);
assertEquals(3, model.shortValue);
assertEquals(3, model.intValue);
assertEquals(3, model.longValue);
assertEquals(3.5, model.floatValue, 0.0001);
assertEquals(3.5, model.doubleValue, 0.0001);
assertTrue(model.booleanValue);
assertEquals('a', model.charValue);
}
@Test public void toJsonByteToBitString() {
GsonBuilder builder = new GsonBuilder();
builder.registerTypeAdapter(GsonBitString.class, new GsonBitStringSerializer());
Gson gson = builder.create();
GsonBitString model = new GsonBitString();
model.value = (byte) 0b1111;
assertEquals("{\"value\":\"1111\"}", gson.toJson(model));
}
@Test public void fromJsonByteFromBitString() {
String json = "{\"value\": \"1111\"}";
GsonBuilder gsonBuilder = new GsonBuilder();
gsonBuilder.registerTypeAdapter(GsonBitString.class, new GsonBitStringDeserializer());
Gson gson = gsonBuilder.create();
GsonBitString model = gson.fromJson(json, GsonBitString.class);
assertEquals(15, model.value);
}
@Test public void fromJsonPrecissionMismatch() {
String json = "{\"value\": 12.123456789123456}";
Gson gson = new Gson();
GsonFloat model = gson.fromJson(json, GsonFloat.class);
assertEquals(12.123457f, model.value, 0.000001);
}
@Test public void fromJsonOverflow() {
Gson gson = new Gson();
String json = "{\"value\": \"300\"}";
GsonBitString model = gson.fromJson(json, GsonBitString.class);
assertEquals(44, model.value);
}
@Test public void fromJsonNonCompatibleNumberTypes() {
Gson gson = new Gson();
String json = "{\"value\": 2.3}";
try {
gson.fromJson(json, GsonBitString.class);
} catch (Exception ex) {
assertTrue(ex instanceof JsonSyntaxException);
assertTrue(ex.getCause() instanceof NumberFormatException);
return;
}
fail();
}
@Test public void fromJsonUnicodeChar() {
Gson gson = new Gson();
String json = "{\"value\": \"\\u00AE\"}";
GsonChar model = gson.fromJson(json, GsonChar.class);
assertEquals('\u00AE', model.value);
}
@Test public void fromJsonNull() {
Gson gson = new Gson();
String json = "{\"value\": null}";
GsonBitString model = gson.fromJson(json, GsonBitString.class);
assertEquals(1, model.value);
}
@Test(expected = JsonSyntaxException.class) public void fromJsonEmptyString() {
Gson gson = new Gson();
String json = "{\"value\": \"\"}";
gson.fromJson(json, GsonBitString.class);
}
@Test public void fromJsonValidValueWithinString() {
Gson gson = new Gson();
String json = "{\"value\": \"15\"}";
GsonBitString model = gson.fromJson(json, GsonBitString.class);
assertEquals(15, model.value);
}
@Test(expected = JsonSyntaxException.class) public void fromJsonInvalidValueWithinString() {
Gson gson = new Gson();
String json = "{\"value\": \"15x\"}";
gson.fromJson(json, GsonBitString.class);
}
@Test(expected = JsonSyntaxException.class) public void fromJsonInvalidValueNotInAString() {
Gson gson = new Gson();
String json = "{\"value\": s15s}";
gson.fromJson(json, GsonBitString.class);
}
@Test public void fromJsonBooleanFrom2ValueInteger() {
String json = "{\"value\": 1}";
Gson gson = new Gson();
try {
gson.fromJson(json, GsonBoolean.class);
} catch (Exception ex) {
assertTrue(ex instanceof JsonSyntaxException);
assertTrue(ex.getCause() instanceof IllegalStateException);
return;
}
fail();
}
@Test public void fromJsonBooleanfromYes() {
String json = "{\"value\": yes}";
Gson gson = new Gson();
GsonBoolean model = gson.fromJson(json, GsonBoolean.class);
// pay attention here that we are deserializing yes.
assertFalse(model.value);
}
@Test public void fromJsonBooleanFromInvalidValue() {
String json = "{\"value\": \"15x\"}";
Gson gson = new Gson();
GsonBoolean model = gson.fromJson(json, GsonBoolean.class);
assertFalse(model.value);
}
static class GsonBitStringDeserializer implements JsonDeserializer<GsonBitString> {
@Override public GsonBitString deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
GsonBitString gsonBitString = new GsonBitString();
gsonBitString.value = (byte) Integer.parseInt(jsonElement.getAsJsonObject().getAsJsonPrimitive("value").getAsString(), 2);
return gsonBitString;
}
}
static class GsonBitStringSerializer implements JsonSerializer<GsonBitString> {
@Override public JsonElement serialize(GsonBitString gsonBundle, Type type, JsonSerializationContext jsonSerializationContext) {
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty("value", Integer.toBinaryString(gsonBundle.value));
return jsonObject;
}
}
}