added tests for v3 request_body

after a few drinks, not so easy.

datamodel/low/3.0/path_test.go

@@ -223,7 +223,7 @@ func TestPaths_Build_BadRef(t *testing.T) {
 
 func TestPathItem_Build_GoodRef(t *testing.T) {
 
-	// this is kinda nuts, it's also not illegal, however the mechanics still need to work.
+	// this is kinda nuts, it's also not illegal, however the mechanics still need to work.bfes
 	yml := `"/some/path":
  description: this is some path
  get:

datamodel/low/3.0/request_body.go

@@ -1,3 +1,6 @@
+// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
+// SPDX-License-Identifier: MIT
+
 package v3
 
 import (
@@ -13,6 +16,10 @@ type RequestBody struct {
 	Extensions  map[low.KeyReference[string]]low.ValueReference[any]
 }
 
+func (rb *RequestBody) FindExtension(ext string) *low.ValueReference[any] {
+	return low.FindItemInMap[any](ext, rb.Extensions)
+}
+
 func (rb *RequestBody) FindContent(cType string) *low.ValueReference[*MediaType] {
 	return low.FindItemInMap[*MediaType](cType, rb.Content.Value)
 }

datamodel/low/3.0/request_body_test.go

@@ -0,0 +1,55 @@
+// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
+// SPDX-License-Identifier: MIT
+
+package v3
+
+import (
+	"github.com/pb33f/libopenapi/datamodel/low"
+	"github.com/pb33f/libopenapi/index"
+	"github.com/stretchr/testify/assert"
+	"gopkg.in/yaml.v3"
+	"testing"
+)
+
+func TestRequestBody_Build(t *testing.T) {
+
+	yml := `description: a nice request
+required: true
+content:
+  fresh/fish:
+    example: nice.
+x-requesto: presto`
+
+	var idxNode yaml.Node
+	_ = yaml.Unmarshal([]byte(yml), &idxNode)
+	idx := index.NewSpecIndex(&idxNode)
+
+	var n RequestBody
+	err := low.BuildModel(&idxNode, &n)
+	assert.NoError(t, err)
+
+	err = n.Build(idxNode.Content[0], idx)
+	assert.NoError(t, err)
+	assert.Equal(t, "a nice request", n.Description.Value)
+	assert.True(t, n.Required.Value)
+	assert.Equal(t, "nice.", n.FindContent("fresh/fish").Value.Example.Value)
+	assert.Equal(t, "presto", n.FindExtension("x-requesto").Value)
+
+}
+
+func TestRequestBody_Fail(t *testing.T) {
+
+	yml := `content:
+  $ref: #illegal`
+
+	var idxNode yaml.Node
+	_ = yaml.Unmarshal([]byte(yml), &idxNode)
+	idx := index.NewSpecIndex(&idxNode)
+
+	var n RequestBody
+	err := low.BuildModel(&idxNode, &n)
+	assert.NoError(t, err)
+
+	err = n.Build(idxNode.Content[0], idx)
+	assert.Error(t, err)
+}