Merge pull request #16 from joyent/perigrin/json-schema

JSON Schemea Endpoints

schema.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/qri-io/jsonschema"
+)
+
+type Schema struct {
+	*Conch
+}
+
+func (c *Conch) Schema() *Schema {
+	return &Schema{c}
+}
+
+func (s *Schema) Get(name string) *jsonschema.RootSchema {
+	uri := fmt.Sprintf("/schema/%s", name)
+	rs := &jsonschema.RootSchema{}
+
+	// for now we completely skip our internal HTTP handling and just use sling directly
+	_, err := s.Sling().Get(uri).Receive(&rs, nil)
+	if err != nil {
+		panic(err)
+	}
+	return rs
+}

schema_test.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestJSONSchemaGet(t *testing.T) {
+	name := "request/Login"
+	valid := []byte(`{
+		"email":"test@example.com",
+		"password":"123456"
+	}`)
+
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// output from the API's '/schema/request/Login` endpoint
+		fmt.Fprintf(w, `
+			{
+				"$id":"urn:request.Login.schema.json",
+				"$schema":"http:\/\/json-schema.org\/draft-07\/schema#",
+				"additionalProperties":false,
+				"definitions":{
+					"email_address":{
+						"allOf":[
+							{"format":"email","type":"string"},
+							{"$ref":"\/definitions\/mojo_relaxed_placeholder"}
+						]
+					},
+					"mojo_relaxed_placeholder":{
+						"description":"see https:\/\/metacpan.org\/pod\/Mojolicious::Guides::Routing#Relaxed-placeholders",
+						"pattern":"^[^\/]+$","type":"string"
+					},
+					"non_empty_string":{
+						"minLength":1,
+						"type":"string"
+					},
+					"uuid":{
+						"pattern":"^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
+						"type":"string"
+					}
+				},
+				"oneOf":[
+					{"required":["user_id"]},
+					{"required":["email"]}
+				],
+				"properties":{
+					"email":{"$ref":"\/definitions\/email_address"},
+					"password":{"$ref":"\/definitions\/non_empty_string"},
+					"user_id":{"$ref":"\/definitions\/uuid"}},
+					"required":["password"],
+					"title":"Login",
+					"type":"object"
+			}
+	`)
+	}))
+
+	API.URL = server.URL
+	rs := API.Schema().Get(name)
+
+	if rs == nil {
+		t.Fatalf("Couldn't get root schema")
+	}
+
+	if errors, _ := rs.ValidateBytes(valid); len(errors) > 0 {
+		t.Errorf("Couldn't validate valid JSON: %v", errors)
+	}
+}