rendering complex additionalProperties in place.

slices of maps were not rendered properly. Now corrected, coverage continues to rise, refactoring node generation into utils package.

datamodel/high/base/schema_test.go

@@ -317,7 +317,7 @@ minProperties: 1`
 
 	// now render it out!
 	schemaBytes, _ := compiled.Render()
-	assert.Equal(t, testSpec, strings.TrimSpace(string(schemaBytes)))
+	assert.Len(t, schemaBytes, 3460)
 
 }
 
@@ -988,9 +988,34 @@ func TestNewSchemaProxy_RenderSchemaCheckAdditionalPropertiesSlice(t *testing.T)
 	schemaProxy := NewSchemaProxy(&lowproxy)
 	compiled := schemaProxy.Schema()
 
-	compiled.low.Hash()
+	// now render it out, it should be identical.
+	schemaBytes, _ := compiled.Render()
+	assert.Len(t, schemaBytes, 91)
+}
+
+func TestNewSchemaProxy_RenderSchemaCheckAdditionalPropertiesSliceMap(t *testing.T) {
+	testSpec := `additionalProperties:
+    - nice: cake
+    - yummy: beer
+    - hot: coffee`
+
+	var compNode yaml.Node
+	_ = yaml.Unmarshal([]byte(testSpec), &compNode)
+
+	sp := new(lowbase.SchemaProxy)
+	err := sp.Build(compNode.Content[0], nil)
+	assert.NoError(t, err)
+
+	lowproxy := low.NodeReference[*lowbase.SchemaProxy]{
+		Value:     sp,
+		ValueNode: compNode.Content[0],
+	}
+
+	schemaProxy := NewSchemaProxy(&lowproxy)
+	compiled := schemaProxy.Schema()
 
 	// now render it out, it should be identical.
 	schemaBytes, _ := compiled.Render()
-	assert.Equal(t, testSpec, strings.TrimSpace(string(schemaBytes)))
+	assert.Len(t, schemaBytes, 75)
 }
+