fix(samples): fix handling of additionalProperties in JSON Schema 2020-12 (#9023)

This change is specific to JSON Schema 2020-12 and OpenAPI 3.1.0.

Refs #9022

src/core/plugins/json-schema-2020-12/samples-extensions/fn/main.js

@@ -420,7 +420,7 @@ export const sampleFromSchemaGeneric = (
       return res
     }
 
-    if (isBooleanJSONSchema(additionalProperties)) {
+    if (isBooleanJSONSchema(additionalProperties) && additionalProperties) {
       if (respectXML) {
         res[displayName].push({ additionalProp: "Anything can be here" })
       } else {

test/unit/core/plugins/json-schema-2020-12/samples-extensions/fn.js

@@ -1189,6 +1189,67 @@ describe("sampleFromSchema", () => {
 
     expect(sampleFromSchema(definition)).toEqual(expected)
   })
+
+  it("should handle additionalProperties", () => {
+    const definition = {
+      type: "object",
+      additionalProperties: {
+        type: "string",
+      },
+      properties: {
+        foo: {
+          type: "string",
+        },
+      },
+    }
+
+    const expected = {
+      foo: "string",
+      additionalProp1: "string",
+      additionalProp2: "string",
+      additionalProp3: "string",
+    }
+
+    expect(sampleFromSchema(definition)).toEqual(expected)
+  })
+
+  it("should handle additionalProperties=true", () => {
+    const definition = {
+      type: "object",
+      additionalProperties: true,
+      properties: {
+        foo: {
+          type: "string",
+        },
+      },
+    }
+
+    const expected = {
+      foo: "string",
+      additionalProp1: {},
+    }
+
+    expect(sampleFromSchema(definition)).toEqual(expected)
+  })
+
+  it("should handle additionalProperties=false", () => {
+    const definition = {
+      type: "object",
+      additionalProperties: false,
+      properties: {
+        foo: {
+          type: "string",
+        },
+      },
+    }
+
+    const expected = {
+      foo: "string",
+    }
+
+    expect(sampleFromSchema(definition)).toEqual(expected)
+  })
+
   it("should ignore minProperties if cannot extend object", () => {
     const definition = {
       type: "object",
@@ -2618,6 +2679,25 @@ describe("createXMLExample", function () {
       expect(sut(definition)).toEqual(expected)
     })
 
+    it("returns object with additional props =false", function () {
+      let expected =
+        '<?xml version="1.0" encoding="UTF-8"?>\n<animals>\n\t<dog>string</dog>\n</animals>'
+      let definition = {
+        type: "object",
+        properties: {
+          dog: {
+            type: "string",
+          },
+        },
+        additionalProperties: false,
+        xml: {
+          name: "animals",
+        },
+      }
+
+      expect(sut(definition)).toEqual(expected)
+    })
+
     it("returns object with 2 properties with no type passed but properties", function () {
       const expected =
         '<?xml version="1.0" encoding="UTF-8"?>\n<aliens>\n\t<alien>string</alien>\n\t<dog>0</dog>\n</aliens>'

test/unit/core/plugins/samples/fn/index.js

@@ -914,6 +914,68 @@ describe("sampleFromSchema", () => {
 
     expect(sampleFromSchema(definition)).toEqual(expected)
   })
+
+
+  it("should handle additionalProperties", () => {
+    const definition = {
+      type: "object",
+      additionalProperties: {
+        type: "string",
+      },
+      properties: {
+        foo: {
+          type: "string",
+        },
+      },
+    }
+
+    const expected = {
+      foo: "string",
+      additionalProp1: "string",
+      additionalProp2: "string",
+      additionalProp3: "string",
+    }
+
+    expect(sampleFromSchema(definition)).toEqual(expected)
+  })
+
+  it("should handle additionalProperties=true", () => {
+    const definition = {
+      type: "object",
+      additionalProperties: true,
+      properties: {
+        foo: {
+          type: "string",
+        },
+      },
+    }
+
+    const expected = {
+      foo: "string",
+      additionalProp1: {},
+    }
+
+    expect(sampleFromSchema(definition)).toEqual(expected)
+  })
+
+  it("should handle additionalProperties=false", () => {
+    const definition = {
+      type: "object",
+      additionalProperties: false,
+      properties: {
+        foo: {
+          type: "string",
+        },
+      },
+    }
+
+    const expected = {
+      foo: "string",
+    }
+
+    expect(sampleFromSchema(definition)).toEqual(expected)
+  })
+
   it("should ignore minProperties if cannot extend object", () => {
     const definition = {
       type: "object",
@@ -2149,6 +2211,24 @@ describe("createXMLExample", function () {
       expect(sut(definition)).toEqual(expected)
     })
 
+    it("returns object with additional props =false", function () {
+      let expected = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<animals>\n\t<dog>string</dog>\n</animals>"
+      let definition = {
+        type: "object",
+        properties: {
+          dog: {
+            type: "string"
+          }
+        },
+        additionalProperties: false,
+        xml: {
+          name: "animals"
+        }
+      }
+
+      expect(sut(definition)).toEqual(expected)
+    })
+
     it("returns object with 2 properties with no type passed but properties", function () {
       let expected = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<aliens>\n\t<alien>string</alien>\n\t<dog>0</dog>\n</aliens>"
       let definition = {