135 lines
4.2 KiB
Go
135 lines
4.2 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package graphql
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/node"
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"github.com/stretchr/testify/assert"
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)
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func TestBuildSchema(t *testing.T) {
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stack, err := node.New(&node.DefaultConfig)
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if err != nil {
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t.Fatalf("could not create new node: %v", err)
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}
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// Make sure the schema can be parsed and matched up to the object model.
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if err := newHandler(stack, nil, []string{}, []string{}); err != nil {
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t.Errorf("Could not construct GraphQL handler: %v", err)
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}
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}
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// Tests that a graphQL request is successfully handled when graphql is enabled on the specified endpoint
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func TestGraphQLHTTPOnSamePort_GQLRequest_Successful(t *testing.T) {
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stack := createNode(t, true)
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defer stack.Close()
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// start node
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if err := stack.Start(); err != nil {
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t.Fatalf("could not start node: %v", err)
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}
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// create http request
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body := strings.NewReader("{\"query\": \"{block{number}}\",\"variables\": null}")
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gqlReq, err := http.NewRequest(http.MethodGet, fmt.Sprintf("http://%s/graphql", "127.0.0.1:9393"), body)
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if err != nil {
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t.Error("could not issue new http request ", err)
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}
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gqlReq.Header.Set("Content-Type", "application/json")
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// read from response
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resp := doHTTPRequest(t, gqlReq)
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bodyBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Fatalf("could not read from response body: %v", err)
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}
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expected := "{\"data\":{\"block\":{\"number\":\"0x0\"}}}"
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assert.Equal(t, expected, string(bodyBytes))
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}
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// Tests that a graphQL request is not handled successfully when graphql is not enabled on the specified endpoint
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func TestGraphQLHTTPOnSamePort_GQLRequest_Unsuccessful(t *testing.T) {
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stack := createNode(t, false)
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defer stack.Close()
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if err := stack.Start(); err != nil {
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t.Fatalf("could not start node: %v", err)
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}
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// create http request
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body := strings.NewReader("{\"query\": \"{block{number}}\",\"variables\": null}")
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gqlReq, err := http.NewRequest(http.MethodPost, fmt.Sprintf("http://%s/graphql", "127.0.0.1:9393"), body)
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if err != nil {
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t.Error("could not issue new http request ", err)
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}
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gqlReq.Header.Set("Content-Type", "application/json")
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// read from response
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resp := doHTTPRequest(t, gqlReq)
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bodyBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Fatalf("could not read from response body: %v", err)
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}
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// make sure the request is not handled successfully
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assert.Equal(t, 404, resp.StatusCode)
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assert.Equal(t, "404 page not found\n", string(bodyBytes))
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}
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func createNode(t *testing.T, gqlEnabled bool) *node.Node {
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stack, err := node.New(&node.Config{
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HTTPHost: "127.0.0.1",
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HTTPPort: 9393,
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WSHost: "127.0.0.1",
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WSPort: 9393,
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})
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if err != nil {
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t.Fatalf("could not create node: %v", err)
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}
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if !gqlEnabled {
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return stack
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}
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createGQLService(t, stack, "127.0.0.1:9393")
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return stack
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}
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func createGQLService(t *testing.T, stack *node.Node, endpoint string) {
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// create backend
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ethBackend, err := eth.New(stack, ð.DefaultConfig)
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if err != nil {
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t.Fatalf("could not create eth backend: %v", err)
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}
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// create gql service
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err = New(stack, ethBackend.APIBackend, []string{}, []string{})
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if err != nil {
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t.Fatalf("could not create graphql service: %v", err)
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}
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}
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func doHTTPRequest(t *testing.T, req *http.Request) *http.Response {
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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t.Fatal("could not issue a GET request to the given endpoint", err)
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}
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return resp
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}
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