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Support list of objects for JSON #693

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merged 2 commits into from
Feb 12, 2023
Merged

Support list of objects for JSON #693

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acd7d0b
Add support list of objects in json transformer
RVRhub Feb 11, 2023
e38f556
Add support list of objects in json transformer
RVRhub Feb 11, 2023
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Add support list of objects in json transformer
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@RVRhub
RVRhub committed Feb 11, 2023
commit e38f556f88a0836113dc12e15b6340ff24d85e16
7 changes: 3 additions & 4 deletions src/main/java/net/datafaker/transformations/JsonTransformer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ public String apply(IN input, Schema<IN, ?> schema) {
if (fields[i] instanceof CompositeField) {
sb.append(apply(input, (CompositeField) fields[i], i));
} else {
applyValue(input, sb, fields[i]);
applyValue(input, sb, ((SimpleField) fields[i]).transform(input));
}
if (i < fields.length - 1) {
sb.append(", ");
Expand Down Expand Up @@ -77,8 +77,7 @@ public String generate(Schema<IN, ?> schema, int limit) {
return limit > 1 ? wrappers[0] + LINE_SEPARATOR + sb + LINE_SEPARATOR + wrappers[1] : sb.toString();
}

private void applyValue(IN input, StringBuilder sb, Field<?, ?> fields) {
Object value = ((SimpleField) fields).transform(input);
private void applyValue(IN input, StringBuilder sb, Object value) {
if (value instanceof Collection<?>) {
sb.append(generate(input,(Collection) value));
} else if (value != null && value.getClass().isArray()) {
Expand All @@ -100,7 +99,7 @@ private String generate(IN input, Collection<Object> collection) {
if (value instanceof CompositeField<?,?>) {
sb.append(apply(input,((CompositeField) value)));
} else {
value2String(value, sb);
applyValue(input, sb, value);
}
}
sb.append("]");
Expand Down
29 changes: 29 additions & 0 deletions src/test/java/net/datafaker/formats/JsonTest.java
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Expand Up @@ -311,6 +311,35 @@ void jsonObjectCollectionTest() {
"\"objectCollection\": [{\"country\": \"Denmark\", \"city\": \"Port Angel\"}, {\"two\": \"Denmark\", \"one\": \"Port Angel\"}]}");
}

@Test
void jsonCollectionOfCollectionsTest() {
JsonTransformer<Name> transformer = JsonTransformer.<Name>builder().build();

String json = transformer.generate(
Schema.of(
field("text", () -> "Mrs. Brian Braun"),
field("objectCollection", () -> List.of(
List.of(
List.of(
compositeField(null, new Field[]{
field("country", () -> "Denmark"),
field("city", () -> "Port Angel")
}
),
compositeField(null, new Field[]{
field("two", () -> "Denmark"),
field("one", () -> "Port Angel")
}
)
)
)
)
)
), 1);
assertThat(json).isEqualTo("{\"text\": \"Mrs. Brian Braun\", " +
"\"objectCollection\": [[[{\"country\": \"Denmark\", \"city\": \"Port Angel\"}, {\"two\": \"Denmark\", \"one\": \"Port Angel\"}]]]}");
}

private static Map.Entry<Supplier<String>, Supplier<Object>> entry(
Supplier<String> key, Supplier<Object> value) {
return new AbstractMap.SimpleEntry<>(key, value);
Expand Down