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fix: No change if same minItems or maxItems #780

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fix: No change if same minItems or maxItems #780

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75fbcd5
fix: No change if same minItems or maxItems
danilofuchs May 7, 2025
53fa192
feat: Test adding or removing property
danilofuchs May 7, 2025
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2 changes: 1 addition & 1 deletion core/src/main/java/org/openapitools/openapidiff/core/model/schema/ChangedMaxItems.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ public ChangedMaxItems(Integer oldValue, Integer newValue, DiffContext context)

@Override
public DiffResult isChanged() {
if (oldValue == null && newValue == null) {
if (oldValue == newValue) {
return DiffResult.NO_CHANGES;
}
if (oldValue == null || newValue == null) {
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2 changes: 1 addition & 1 deletion core/src/main/java/org/openapitools/openapidiff/core/model/schema/ChangedMinItems.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ public ChangedMinItems(Integer oldValue, Integer newValue, DiffContext context)

@Override
public DiffResult isChanged() {
if (oldValue == null && newValue == null) {
if (oldValue == newValue) {
return DiffResult.NO_CHANGES;
}
if (oldValue == null || newValue == null) {
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25 changes: 24 additions & 1 deletion core/src/test/java/org/openapitools/openapidiff/core/SchemaDiffTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -144,7 +144,7 @@ public void changeMultipleOfHandling() {
assertThat(props.get("field4").getMultipleOf().getRight()).isNull();
}

@Test // issues #480
@Test // issues #480 and #779
public void changeMinMaxItemsHandling() {
ChangedOpenApi changedOpenApi =
OpenApiCompare.fromLocations(
Expand All @@ -158,6 +158,9 @@ public void changeMinMaxItemsHandling() {
Map<String, ChangedSchema> props = changedSchema.getChangedProperties();
assertThat(props).isNotEmpty();

// Check no changes in minItems and maxItems
assertThat(props.get("field0")).isNull();

// Check increasing of minItems
assertThat(props.get("field1").getMinItems().isIncompatible()).isTrue();
assertThat(props.get("field1").getMinItems().getOldValue()).isEqualTo(1);
Expand All @@ -177,6 +180,26 @@ public void changeMinMaxItemsHandling() {
assertThat(props.get("field4").getMaxItems().isIncompatible()).isTrue();
assertThat(props.get("field4").getMaxItems().getOldValue()).isEqualTo(100);
assertThat(props.get("field4").getMaxItems().getNewValue()).isEqualTo(90);

// Check removal of minItems
assertThat(props.get("field5").getMinItems().isCompatible()).isTrue();
assertThat(props.get("field5").getMinItems().getOldValue()).isEqualTo(1);
assertThat(props.get("field5").getMinItems().getNewValue()).isNull();

// Check removal of maxItems
assertThat(props.get("field5").getMaxItems().isCompatible()).isTrue();
assertThat(props.get("field5").getMaxItems().getOldValue()).isEqualTo(100);
assertThat(props.get("field5").getMaxItems().getNewValue()).isNull();

// Check addition of minItems
assertThat(props.get("field6").getMinItems().isCompatible()).isTrue();
assertThat(props.get("field6").getMinItems().getOldValue()).isNull();
assertThat(props.get("field6").getMinItems().getNewValue()).isEqualTo(1);

// Check addition of maxItems
assertThat(props.get("field6").getMaxItems().isCompatible()).isTrue();
assertThat(props.get("field6").getMaxItems().getOldValue()).isNull();
assertThat(props.get("field6").getMaxItems().getNewValue()).isEqualTo(100);
}

@Test // issue #482
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18 changes: 17 additions & 1 deletion core/src/test/resources/schemaDiff/schema-min-max-items-diff-1.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,12 @@ components:
TestDTO:
type: object
properties:
field0:
type: array
items:
type: string
minItems: 1
maxItems: 10
field1:
type: array
items:
Expand All @@ -33,10 +39,20 @@ components:
items:
type: string
minItems: 1
maxItems: 90
maxItems: 90
field4:
type: array
items:
type: string
minItems: 1
maxItems: 100
field5:
type: array
items:
type: string
minItems: 1
maxItems: 100
field6:
type: array
items:
type: string
20 changes: 18 additions & 2 deletions core/src/test/resources/schemaDiff/schema-min-max-items-diff-2.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,12 @@ components:
TestDTO:
type: object
properties:
field0:
type: array
items:
type: string
minItems: 1
maxItems: 10
field1:
type: array
items:
Expand All @@ -27,16 +33,26 @@ components:
items:
type: string
minItems: 10
maxItems: 100
maxItems: 100
field3:
type: array
items:
type: string
minItems: 1
maxItems: 100
maxItems: 100
field4:
type: array
items:
type: string
minItems: 1
maxItems: 90
field5:
type: array
items:
type: string
field6:
type: array
items:
type: string
minItems: 1
maxItems: 100