fix(parameter-row): rendering of default/example values of 0 (#6454)

Co-authored-by: @danxmoran

test/unit/components/parameter-row.jsx

@@ -1,5 +1,5 @@
 import React from "react"
-import { fromJS } from "immutable"
+import { List, fromJS } from "immutable"
 import { render } from "enzyme"
 import ParameterRow from "components/parameter-row"
 
@@ -84,3 +84,142 @@ describe("<ParameterRow/>", () => {
     expect(wrapper.find(".parameter__type").text()).toEqual("string")
   })
 })
+
+describe("bug #5573: zero default and example values", function () {
+  it("should apply a Swagger 2.0 default value of zero", function () {
+    const paramValue = fromJS({
+      description: "a pet",
+      type: "integer",
+      default: 0
+    })
+
+    let props = {
+      getComponent: () => "div",
+      specSelectors: {
+        security() { },
+        parameterWithMetaByIdentity() { return paramValue },
+        isOAS3() { return false },
+        isSwagger2() { return true }
+      },
+      fn: {},
+      operation: { get: () => { } },
+      onChange: jest.fn(),
+      param: paramValue,
+      rawParam: paramValue,
+      onChangeConsumes: () => { },
+      pathMethod: [],
+      getConfigs: () => { return {} },
+      specPath: List([])
+    }
+
+    render(<ParameterRow {...props} />)
+
+    expect(props.onChange).toHaveBeenCalled()
+    expect(props.onChange).toHaveBeenCalledWith(paramValue, "0", false)
+  })
+  it("should apply a Swagger 2.0 example value of zero", function () {
+    const paramValue = fromJS({
+      description: "a pet",
+      type: "integer",
+      schema: {
+        example: 0
+      }
+    })
+
+    let props = {
+      getComponent: () => "div",
+      specSelectors: {
+        security() { },
+        parameterWithMetaByIdentity() { return paramValue },
+        isOAS3() { return false },
+        isSwagger2() { return true }
+      },
+      fn: {},
+      operation: { get: () => { } },
+      onChange: jest.fn(),
+      param: paramValue,
+      rawParam: paramValue,
+      onChangeConsumes: () => { },
+      pathMethod: [],
+      getConfigs: () => { return {} },
+      specPath: List([])
+    }
+
+    render(<ParameterRow {...props} />)
+
+    expect(props.onChange).toHaveBeenCalled()
+    expect(props.onChange).toHaveBeenCalledWith(paramValue, "0", false)
+  })
+  it("should apply an OpenAPI 3.0 default value of zero", function () {
+    const paramValue = fromJS({
+      description: "a pet",
+      schema: {
+        type: "integer",
+        default: 0
+      }
+    })
+
+    let props = {
+      getComponent: () => "div",
+      specSelectors: {
+        security() { },
+        parameterWithMetaByIdentity() { return paramValue },
+        isOAS3() { return true },
+        isSwagger2() { return false }
+      },
+      oas3Selectors: {
+        activeExamplesMember: () => null
+      },
+      fn: {},
+      operation: { get: () => { } },
+      onChange: jest.fn(),
+      param: paramValue,
+      rawParam: paramValue,
+      onChangeConsumes: () => { },
+      pathMethod: [],
+      getConfigs: () => { return {} },
+      specPath: List([])
+    }
+
+    render(<ParameterRow {...props} />)
+
+    expect(props.onChange).toHaveBeenCalled()
+    expect(props.onChange).toHaveBeenCalledWith(paramValue, "0", false)
+  })
+  it("should apply an OpenAPI 3.0 example value of zero", function () {
+    const paramValue = fromJS({
+      description: "a pet",
+      schema: {
+        type: "integer",
+        example: 0
+      }
+    })
+
+    let props = {
+      getComponent: () => "div",
+      specSelectors: {
+        security() { },
+        parameterWithMetaByIdentity() { return paramValue },
+        isOAS3() { return true },
+        isSwagger2() { return false }
+      },
+      oas3Selectors: {
+        activeExamplesMember: () => null
+      },
+      fn: {},
+      operation: { get: () => { } },
+      onChange: jest.fn(),
+      param: paramValue,
+      rawParam: paramValue,
+      onChangeConsumes: () => { },
+      pathMethod: [],
+      getConfigs: () => { return {} },
+      specPath: List([])
+    }
+
+    render(<ParameterRow {...props} />)
+
+    expect(props.onChange).toHaveBeenCalled()
+    expect(props.onChange).toHaveBeenCalledWith(paramValue, "0", false)
+  })
+})