Expand test coverage, reinforce mocks (#16)

* Expand test coverage, reinforce mocks

* A little more coverage around config

.github/workflows/acceptance.yml

@@ -34,4 +34,7 @@ jobs:
         JENKINS_URL: "http://localhost:8080"
         JENKINS_USERNAME: "admin"
         JENKINS_PASSWORD: "admin"
-      run: go test -v -cover ./...
+      run: go test -v -covermode=atomic -coverprofile=coverage.txt ./...
+
+    - name: Send coverage to Codecov
+      run: bash <(curl -s https://codecov.io/bash) -Z -f coverage.txt -F acceptance

.github/workflows/unit.yml

@@ -25,4 +25,4 @@ jobs:
       run: go test -race -covermode=atomic -coverprofile=coverage.txt ./...
 
     - name: Send coverage to Codecov
-      run: bash <(curl -s https://codecov.io/bash) -Z -f coverage.txt
+      run: bash <(curl -s https://codecov.io/bash) -Z -f coverage.txt -F unit

example/job.tf

@@ -1,7 +1,7 @@
 resource jenkins_folder example {
-    name = "folder-name"
-    description = "A sample folder"
-    template = <<EOT
+  name        = "folder-name"
+  description = "A sample folder"
+  template    = <<EOT
 <com.cloudbees.hudson.plugins.folder.Folder plugin="cloudbees-folder@6.6">
     <actions/>
     <description>{{ .Description }}</description>
@@ -16,6 +16,10 @@ resource jenkins_folder example {
     <icon class="com.cloudbees.hudson.plugins.folder.icons.StockFolderIcon"/>
 </com.cloudbees.hudson.plugins.folder.Folder>
 EOT
+
+  lifecycle {
+    ignore_changes = [template]
+  }
 }
 
 resource jenkins_job pipeline {

example/providers.tf

@@ -1,5 +1,5 @@
 # Connects to the instance launched through "docker-compose up -d"
-# Once done with testing, clean up the instance with "docker-compose down"
+# Once done with testing, clean up the instance with "docker-compose down --volumes"
 provider jenkins {
   server_url = "http://localhost:8080" # Or use JENKINS_URL env var
   username   = "admin"                 # Or use JENKINS_USERNAME env var

jenkins/config.go

@@ -1,35 +1,45 @@
 package jenkins
 
 import (
+	"io"
 	"io/ioutil"
 
 	jenkins "github.com/bndr/gojenkins"
 )
 
 type jenkinsClient interface {
+	CreateJobInFolder(config string, jobName string, parentIDs ...string) (*jenkins.Job, error)
+	Credentials() *jenkins.CredentialsManager
 	DeleteJob(name string) (bool, error)
 	GetJob(id string, parentIDs ...string) (*jenkins.Job, error)
 }
 
+// jenkinsAdapter wraps the Jenkins client, enabling additional functionality
+type jenkinsAdapter struct {
+	*jenkins.Jenkins
+}
+
 // Config is the set of parameters needed to configure the Jenkins provider.
 type Config struct {
 	ServerURL string
-	CACert    string
+	CACert    io.Reader
 	Username  string
 	Password  string
 }
 
-func newJenkinsClient(c *Config) (*jenkins.Jenkins, error) {
+func newJenkinsClient(c *Config) *jenkinsAdapter {
 	client := jenkins.CreateJenkins(nil, c.ServerURL, c.Username, c.Password)
-	if c.CACert != "" {
+	if c.CACert != nil {
 		// provide CA certificate if server is using self-signed certificate
-		client.Requester.CACert, _ = ioutil.ReadFile(c.CACert)
-	}
-	_, err := client.Init()
-	if err != nil {
-		return nil, err
+		client.Requester.CACert, _ = ioutil.ReadAll(c.CACert)
 	}
 
 	// return the Jenkins API client
-	return client, nil
+	return &jenkinsAdapter{Jenkins: client}
+}
+
+func (j *jenkinsAdapter) Credentials() *jenkins.CredentialsManager {
+	return &jenkins.CredentialsManager{
+		J: j.Jenkins,
+	}
 }

jenkins/config_test.go

@@ -1,10 +1,24 @@
 package jenkins
 
-import jenkins "github.com/bndr/gojenkins"
+import (
+	"bytes"
+	"testing"
+
+	jenkins "github.com/bndr/gojenkins"
+)
 
 type mockJenkinsClient struct {
-	mockDeleteJob func(name string) (bool, error)
-	mockGetJob    func(id string, parentIDs ...string) (*jenkins.Job, error)
+	mockCreateJobInFolder func(config string, jobName string, parentIDs ...string) (*jenkins.Job, error)
+	mockDeleteJob         func(name string) (bool, error)
+	mockGetJob            func(id string, parentIDs ...string) (*jenkins.Job, error)
+}
+
+func (m *mockJenkinsClient) CreateJobInFolder(config string, jobName string, parentIDs ...string) (*jenkins.Job, error) {
+	return m.mockCreateJobInFolder(config, jobName, parentIDs...)
+}
+
+func (m *mockJenkinsClient) Credentials() *jenkins.CredentialsManager {
+	return &jenkins.CredentialsManager{}
 }
 
 func (m *mockJenkinsClient) DeleteJob(name string) (bool, error) {
@@ -14,3 +28,28 @@ func (m *mockJenkinsClient) DeleteJob(name string) (bool, error) {
 func (m *mockJenkinsClient) GetJob(id string, parentIDs ...string) (*jenkins.Job, error) {
 	return m.mockGetJob(id, parentIDs...)
 }
+
+func TestNewJenkinsClient(t *testing.T) {
+	c := newJenkinsClient(&Config{})
+	if c == nil {
+		t.Errorf("Expected populated client")
+	}
+
+	c = newJenkinsClient(&Config{
+		CACert: bytes.NewBufferString("certificate"),
+	})
+	if string(c.Requester.CACert) != "certificate" {
+		t.Errorf("Initialization did not extract certificate data")
+	}
+}
+
+func TestJenkinsAdapter_Credentials(t *testing.T) {
+	c := newJenkinsClient(&Config{})
+	cm := c.Credentials()
+
+	if cm == nil {
+		t.Errorf("Expected populated client")
+	} else if cm.J != c.Jenkins {
+		t.Error("Expected credentials client to match client")
+	}
+}

jenkins/provider.go

@@ -2,6 +2,7 @@ package jenkins
 
 import (
 	"context"
+	"os"
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
@@ -49,13 +50,21 @@ func Provider() *schema.Provider {
 func configureProvider(ctx context.Context, d *schema.ResourceData) (interface{}, diag.Diagnostics) {
 	config := Config{
 		ServerURL: d.Get("server_url").(string),
-		CACert:    d.Get("ca_cert").(string),
 		Username:  d.Get("username").(string),
 		Password:  d.Get("password").(string),
 	}
 
-	client, err := newJenkinsClient(&config)
-	if err != nil {
+	// Read the certificate
+	var err error
+	if d.Get("ca_cert").(string) != "" {
+		config.CACert, err = os.Open(d.Get("ca_cert").(string))
+		if err != nil {
+			return nil, diag.Errorf("Unable to open certificate file %s: %s", d.Get("ca_cert").(string), err.Error())
+		}
+	}
+
+	client := newJenkinsClient(&config)
+	if _, err = client.Init(); err != nil {
 		return nil, diag.FromErr(err)
 	}
 

jenkins/resource_jenkins_folder_test.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"testing"
 
-	jenkins "github.com/bndr/gojenkins"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
@@ -26,7 +25,7 @@ func TestAccJenkinsFolder_basic(t *testing.T) {
 }
 
 func testAccCheckJenkinsFolderDestroy(s *terraform.State) error {
-	client := testAccProvider.Meta().(*jenkins.Jenkins)
+	client := testAccProvider.Meta().(jenkinsClient)
 
 	for _, rs := range s.RootModule().Resources {
 		if rs.Type != "jenkins_folder" {

jenkins/resource_jenkins_job.go

@@ -6,7 +6,6 @@ import (
 	"log"
 	"strings"
 
-	jenkins "github.com/bndr/gojenkins"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
 )
@@ -41,7 +40,7 @@ func resourceJenkinsJob() *schema.Resource {
 }
 
 func resourceJenkinsJobCreate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
-	client := meta.(*jenkins.Jenkins)
+	client := meta.(jenkinsClient)
 	name := formatJobName(d.Get("name").(string))
 	baseName, folders := parseJobName(d.Get("name").(string))
 
@@ -92,7 +91,7 @@ func resourceJenkinsJobRead(ctx context.Context, d *schema.ResourceData, meta in
 }
 
 func resourceJenkinsJobUpdate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
-	client := meta.(*jenkins.Jenkins)
+	client := meta.(jenkinsClient)
 	name := d.Id()
 
 	// grab job by current name

jenkins/resource_jenkins_job_test.go

@@ -31,7 +31,7 @@ func TestAccJenkinsJob_basic(t *testing.T) {
 }
 
 func testAccCheckJenkinsJobDestroy(s *terraform.State) error {
-	client := testAccProvider.Meta().(*jenkins.Jenkins)
+	client := testAccProvider.Meta().(jenkinsClient)
 
 	for _, rs := range s.RootModule().Resources {
 		if rs.Type != "jenkins_job" {