Implement Docker-based acceptance tests for React provisioner (#37)

provisioner/react/provisioner_acc_test.go

@@ -16,24 +16,27 @@ import (
 	"github.com/hashicorp/packer-plugin-sdk/acctest"
 )
 
-//go:embed test-fixtures/template.pkr.hcl
-var testProvisionerHCL2Basic string
+//go:embed test-fixtures/template-aws.pkr.hcl
+var testProvisionerHCL2AWS string
+
+//go:embed test-fixtures/template-docker.pkr.hcl
+var testProvisionerHCL2Docker string
 
 func TestAccReactProvisioner(t *testing.T) {
 	tempFile, err := os.CreateTemp(t.TempDir(), "dist")
 	if err != nil {
 		return
 	}
 
-	testCase := &acctest.PluginTestCase{
-		Name: "react_provisioner_basic_test",
+	testCaseAws := &acctest.PluginTestCase{
+		Name: "react_provisioner_aws_test",
 		Setup: func() error {
 			return nil
 		},
 		Teardown: func() error {
 			return nil
 		},
-		Template: strings.Replace(testProvisionerHCL2Basic, "/my/path/to/dist", tempFile.Name(), -1),
+		Template: strings.Replace(testProvisionerHCL2AWS, "/my/path/to/dist", tempFile.Name(), -1),
 		Type:     "hashicorp-aws-react-provisioner",
 		Check: func(buildCommand *exec.Cmd, logfile string) error {
 			if buildCommand.ProcessState != nil {
@@ -67,5 +70,49 @@ func TestAccReactProvisioner(t *testing.T) {
 			return nil
 		},
 	}
-	acctest.TestPlugin(t, testCase)
+	acctest.TestPlugin(t, testCaseAws)
+
+	testCaseDocker := &acctest.PluginTestCase{
+		Name: "react_provisioner_docker_test",
+		Setup: func() error {
+			return nil
+		},
+		Teardown: func() error {
+			return nil
+		},
+		Template: strings.Replace(testProvisionerHCL2Docker, "/my/path/to/dist", tempFile.Name(), -1),
+		Type:     "hashicorp-aws-react-provisioner",
+		Check: func(buildCommand *exec.Cmd, logfile string) error {
+			if buildCommand.ProcessState != nil {
+				if buildCommand.ProcessState.ExitCode() != 0 {
+					return fmt.Errorf("Bad exit code. Logfile: %s", logfile)
+				}
+			}
+
+			logs, err := os.Open(logfile)
+			if err != nil {
+				return fmt.Errorf("Unable find %s", logfile)
+			}
+			defer logs.Close()
+
+			logsBytes, err := ioutil.ReadAll(logs)
+			if err != nil {
+				return fmt.Errorf("Unable to read %s", logfile)
+			}
+			logsString := string(logsBytes)
+
+			errorString := "error(s) occurred"
+			if matched, _ := regexp.MatchString(".*"+errorString+".*", logsString); matched {
+				t.Fatalf("Acceptance tests for %s failed. Please search for '%s' in log file at %s", "react provisioner", errorString, logfile)
+			}
+
+			provisionerOutputLog := "docker.hashicorp-aws: Exported Docker file:"
+			if matched, _ := regexp.MatchString(provisionerOutputLog+".*", logsString); !matched {
+				t.Fatalf("logs doesn't contain expected output %q", logsString)
+			}
+
+			return nil
+		},
+	}
+	acctest.TestPlugin(t, testCaseDocker)
 }

provisioner/react/test-fixtures/template-docker.pkr.hcl

@@ -0,0 +1,30 @@
+# Copyright (c) Jiaqi
+# SPDX-License-Identifier: MPL-2.0
+
+packer {
+  required_plugins {
+    docker = {
+      version = ">= 0.0.7"
+      source  = "github.com/hashicorp/docker"
+    }
+  }
+}
+
+source "docker" "hashicorp-aws" {
+  image  = "jack20191124/packer-plugin-hashicorp-aws-acc-test-base:latest"
+  discard = true
+}
+
+build {
+  sources = [
+    "source.docker.hashicorp-aws"
+  ]
+
+  provisioner "hashicorp-aws-react-provisioner" {
+    distSource       = "/my/path/to/dist"
+    homeDir          = "/"
+    sslCertBase64    = "YXNkZnNnaHRkeWhyZXJ3ZGZydGV3ZHNmZ3RoeTY0cmV3ZGZyZWd0cmV3d2ZyZw=="
+    sslCertKeyBase64 = "MzI0NXRnZjk4dmJoIGNsO2VbNDM1MHRdzszNDM1b2l0cmo="
+    appDomain        = "app.mycompany.com"
+  }
+}