Add Makefile for test, lint, vet. Fix lint issues.

.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  lint:
+    name: Lint
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@master
+
+      - name: lint
+        run: |
+          go get -u honnef.co/go/tools/cmd/staticcheck@latest &&
+          $HOME/go/bin/staticcheck &&
+          make vet

Makefile

@@ -0,0 +1,13 @@
+all: build lint test vet
+
+build:
+	go build ./...
+
+lint:
+	staticcheck
+
+test:
+	go test -race ./...
+
+vet:
+	go vet ./...

client.go

@@ -54,10 +54,9 @@ var (
 		Transport: defaultTransport,
 	}
 
-	acceptVersion  = fmt.Sprintf("application/vnd.recurly.%s", APIVersion)
-	recurlyVersion = fmt.Sprintf("recurly.%s", APIVersion)
-	userAgent      = fmt.Sprintf("Recurly/%s; go %s", clientVersion, runtime.Version())
-	pathPattern    = regexp.MustCompile(`{[^}]+}`)
+	acceptVersion = fmt.Sprintf("application/vnd.recurly.%s", APIVersion)
+	userAgent     = fmt.Sprintf("Recurly/%s; go %s", clientVersion, runtime.Version())
+	pathPattern   = regexp.MustCompile(`{[^}]+}`)
 )
 
 // Client submits API requests to Recurly

client_operations_test.go

@@ -26,13 +26,16 @@ func TestCreateAccount(test *testing.T) {
 		Code: String("new_account"),
 	}
 
-	account, _ := client.CreateAccount(body)
+	account, err := client.CreateAccount(body)
+	t.Assert(err, nil, "Error not expected")
 	t.Assert(account.Id, "abcd1234", "account.Id")
 }
 
 func TestCreateAccountWithContext(test *testing.T) {
 	t := &T{test}
-	ctx, _ := context.WithTimeout(context.Background(), 20*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
+	defer cancel()
+
 	scenario := &Scenario{
 		T: t,
 		AssertRequest: func(req *http.Request) {
@@ -51,7 +54,8 @@ func TestCreateAccountWithContext(test *testing.T) {
 		Code: String("new_account"),
 	}
 
-	account, _ := client.CreateAccountWithContext(ctx, body)
+	account, err := client.CreateAccountWithContext(ctx, body)
+	t.Assert(err, nil, "Error not expected")
 	t.Assert(account.Id, "abcd1234", "account.Id")
 }
 
@@ -71,12 +75,12 @@ func TestListAccounts(test *testing.T) {
 				"next": "/accounts?cursor=efgh5678%3A1588803986.0&limit=1&order=desc&sort=created_at",
 				"data": [
 					{
-						"id": "abcd1234", 
+						"id": "abcd1234",
 						"first_name": "marigold",
 						"last_name": "sunflower"
 					},
 					{
-						"id": "efgh5678", 
+						"id": "efgh5678",
 						"first_name": "juniper",
 						"last_name": "pinecone"
 					}
@@ -103,7 +107,9 @@ func TestListAccounts(test *testing.T) {
 
 func TestListAccountsWithContext(test *testing.T) {
 	t := &T{test}
-	ctx, _ := context.WithTimeout(context.Background(), 20*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
+	defer cancel()
+
 	scenario := &Scenario{
 		T: t,
 		AssertRequest: func(req *http.Request) {
@@ -118,12 +124,12 @@ func TestListAccountsWithContext(test *testing.T) {
 				"next": "/accounts?cursor=efgh5678%3A1588803986.0&limit=1&order=desc&sort=created_at",
 				"data": [
 					{
-						"id": "abcd1234", 
+						"id": "abcd1234",
 						"first_name": "marigold",
 						"last_name": "sunflower"
 					},
 					{
-						"id": "efgh5678", 
+						"id": "efgh5678",
 						"first_name": "juniper",
 						"last_name": "pinecone"
 					}
@@ -168,6 +174,7 @@ func TestCreateAccountWithNilContext(test *testing.T) {
 		Code: String("new_account"),
 	}
 
-	account, _ := client.CreateAccountWithContext(nil, body)
+	account, err := client.CreateAccountWithContext(context.Background(), body)
+	t.Assert(err, nil, "Error not expected")
 	t.Assert(account.Id, "abcd1234", "account.Id")
 }

client_test.go

@@ -141,6 +141,9 @@ func TestClientInjectsResponseMetadataIntoResource(test *testing.T) {
 	client = scenario.MockHTTPClient()
 
 	empty, err := client.DeleteResource("abcd1234")
+	if err != nil {
+		t.Errorf("DeleteResource returned err: %v", err)
+	}
 
 	resp = empty.GetResponse()
 	t.Assert(resp.Request.ID, "msy-1234", "resp.Request.ID")

logger.go

@@ -90,6 +90,7 @@ func (log *Logger) stdOut(v ...interface{}) {
 	}
 }
 
+//lint:ignore U1000 TODO: should `Error` call stdErr instead of stdOut?
 func (log *Logger) stdErr(v ...interface{}) {
 	if log.StdErr != nil {
 		log.StdErr.Print(v...)