Refactor to avoid panic on test execution

Signed-off-by: Ulysses Souza <ulyssessouza@gmail.com>

Author: ulyssessouza

client/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.13.3 AS dev
+FROM golang:1.14.0 AS dev
 WORKDIR /
 COPY main.go /
 RUN go mod init github.com/compose-spec/compatibility-test-suite/client

compliance_test.go

@@ -7,7 +7,6 @@ import (
 	"time"
 
 	"gopkg.in/yaml.v2"
-	"gotest.tools/v3/assert"
 )
 
 const (
@@ -124,15 +123,15 @@ func TestUdpPort(t *testing.T) {
 		udpValue := "myUdpvalue"
 
 		ServerAddr, err := net.ResolveUDPAddr("udp", localhost+":10001")
-		assert.NilError(h.T, err)
+		h.NilError(err)
 		LocalAddr, err := net.ResolveUDPAddr("udp", localhost+":0")
-		assert.NilError(h.T, err)
+		h.NilError(err)
 		Conn, err := net.DialUDP("udp", LocalAddr, ServerAddr)
-		assert.NilError(h.T, err)
+		h.NilError(err)
 		defer Conn.Close()
 		buf := []byte(fmt.Sprintf("{\"request\":%q}", udpValue))
 		_, err = Conn.Write(buf)
-		assert.NilError(h.T, err)
+		h.NilError(err)
 		time.Sleep(time.Second) // Wait for the registration
 		actual := h.getHttpBody(udpEntrypoint)
 		expected := jsonResponse(udpValue)
@@ -152,7 +151,7 @@ func TestScaling(t *testing.T) {
 		actual := h.getHttpBody(scaleEntrypoint)
 		responseArray := Response{}
 		err := yaml.Unmarshal([]byte(actual), &responseArray)
-		assert.NilError(h.T, err)
+		h.NilError(err)
 		h.Check("3", responseArray.Response)
 	})
 }

server/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.13.3 AS dev
+FROM golang:1.14.0 AS dev
 WORKDIR /
 COPY main.go /
 RUN go mod init github.com/compose-spec/compatibility-test-suite/server

tests_helper.go

@@ -85,6 +85,10 @@ func (h TestHelper) Check(expected, actual string) {
 	assert.Check(h.T, expected == actual, h.assertSpecReferenceMessage(expected, actual))
 }
 
+func (h TestHelper) NilError(e error) {
+	assert.Check(h.T, e == nil, h.assertSpecReferenceMessage("", fmt.Sprintf("%q", e)))
+}
+
 func (h TestHelper) assertSpecReferenceMessage(expected, actual string) string {
 	return fmt.Sprintf("\n- expected: %q\n+ actual: %q\n%s", expected, actual, h.specReferenceMessage())
 }
@@ -102,10 +106,10 @@ func (h TestHelper) getSpecReference() string {
 
 func (h TestHelper) readConfig(configPath string) (*Config, error) {
 	b, err := ioutil.ReadFile(configPath)
-	assert.NilError(h.T, err)
+	h.NilError(err)
 	c := Config{}
 	err = yaml.Unmarshal(b, &c)
-	assert.NilError(h.T, err)
+	h.NilError(err)
 	return &c, nil
 }
 
@@ -145,9 +149,9 @@ func (h TestHelper) execCmd(c *Config, opts []string) {
 
 func (h TestHelper) listDirs(testDir string) []string {
 	currDir, err := os.Getwd()
-	assert.NilError(h.T, err)
+	h.NilError(err)
 	files, err := ioutil.ReadDir(filepath.Join(currDir, testDir))
-	assert.NilError(h.T, err)
+	h.NilError(err)
 	var dirs []string
 	for _, f := range files {
 		if f.IsDir() && !strings.HasPrefix(f.Name(), ".") {
@@ -159,9 +163,9 @@ func (h TestHelper) listDirs(testDir string) []string {
 
 func (h TestHelper) listFiles(dir string) []string {
 	currDir, err := os.Getwd()
-	assert.NilError(h.T, err)
+	h.NilError(err)
 	content, err := ioutil.ReadDir(filepath.Join(currDir, dir))
-	assert.NilError(h.T, err)
+	h.NilError(err)
 	var configFiles []string
 	for _, f := range content {
 		if !f.IsDir() && strings.HasSuffix(f.Name(), ".yml") {
@@ -186,10 +190,10 @@ func (h TestHelper) checkCleanUp(c *Config) {
 
 func (h TestHelper) getHttpBody(address string) string {
 	resp, err := http.Get(address)
-	assert.NilError(h.T, err)
+	h.NilError(err)
 	defer resp.Body.Close()
 	body, err := ioutil.ReadAll(resp.Body)
-	assert.NilError(h.T, err)
+	h.NilError(err)
 	return string(body)
 }