start with tests from ethan

internal/provider/organization_resource_test.go

@@ -0,0 +1,164 @@
+package provider
+
+import (
+	"context"
+	"os"
+	"strings"
+	"testing"
+	"text/template"
+
+	"github.com/coder/coder/v2/coderd/util/ptr"
+	"github.com/coder/coder/v2/codersdk"
+	"github.com/coder/terraform-provider-coderd/integration"
+	"github.com/hashicorp/terraform-plugin-testing/helper/resource"
+	"github.com/stretchr/testify/require"
+)
+
+func TestAccOrganizationResource(t *testing.T) {
+	if os.Getenv("TF_ACC") == "" {
+		t.Skip("Acceptance tests are disabled.")
+	}
+
+	ctx := context.Background()
+	client := integration.StartCoder(ctx, t, "group_acc", true)
+	firstUser, err := client.User(ctx, codersdk.Me)
+	require.NoError(t, err)
+
+	user1, err := client.CreateUser(ctx, codersdk.CreateUserRequest{
+		Email:          "[email protected]",
+		Username:       "example",
+		Password:       "SomeSecurePassword!",
+		UserLoginType:  "password",
+		OrganizationID: firstUser.OrganizationIDs[0],
+	})
+	require.NoError(t, err)
+
+	user2, err := client.CreateUser(ctx, codersdk.CreateUserRequest{
+		Email:          "[email protected]",
+		Username:       "example2",
+		Password:       "SomeSecurePassword!",
+		UserLoginType:  "password",
+		OrganizationID: firstUser.OrganizationIDs[0],
+	})
+	require.NoError(t, err)
+
+	cfg1 := testAccOrganizationResourceConfig{
+		URL:         client.URL.String(),
+		Token:       client.SessionToken(),
+		Name:        ptr.Ref("example-org"),
+		DisplayName: ptr.Ref("Example Organization"),
+		Description: ptr.Ref("This is an example organization"),
+		Icon:        ptr.Ref("/icon/coder.svg"),
+		Members:     ptr.Ref([]string{user1.ID.String()}),
+	}
+
+	cfg2 := cfg1
+	cfg2.Name = ptr.Ref("example-org-new")
+	cfg2.DisplayName = ptr.Ref("Example Organization New")
+	cfg2.Members = ptr.Ref([]string{user2.ID.String()})
+
+	cfg3 := cfg2
+	cfg3.Members = nil
+
+	t.Run("CreateImportUpdateReadOk", func(t *testing.T) {
+		resource.Test(t, resource.TestCase{
+			IsUnitTest:               true,
+			PreCheck:                 func() { testAccPreCheck(t) },
+			ProtoV6ProviderFactories: testAccProtoV6ProviderFactories,
+			Steps: []resource.TestStep{
+				// Create and Read
+				{
+					Config: cfg1.String(t),
+					Check: resource.ComposeAggregateTestCheckFunc(
+						resource.TestCheckResourceAttr("coderd_organization.test", "name", "example-org"),
+						resource.TestCheckResourceAttr("coderd_organization.test", "display_name", "Example Organization"),
+						resource.TestCheckResourceAttr("coderd_organization.test", "icon", "/icon/coder.svg"),
+						resource.TestCheckResourceAttr("coderd_organization.test", "members.#", "1"),
+						resource.TestCheckResourceAttr("coderd_organization.test", "members.0", user1.ID.String()),
+					),
+				},
+				// Import
+				{
+					Config:                  cfg1.String(t),
+					ResourceName:            "coderd_organization.test",
+					ImportState:             true,
+					ImportStateVerify:       true,
+					ImportStateVerifyIgnore: []string{"members"},
+				},
+				// Update and Read
+				{
+					Config: cfg2.String(t),
+					Check: resource.ComposeAggregateTestCheckFunc(
+						resource.TestCheckResourceAttr("coderd_organization.test", "name", "example-org-new"),
+						resource.TestCheckResourceAttr("coderd_organization.test", "display_name", "Example Organization New"),
+						resource.TestCheckResourceAttr("coderd_organization.test", "members.#", "1"),
+						resource.TestCheckResourceAttr("coderd_organization.test", "members.0", user2.ID.String()),
+					),
+				},
+				// Unmanaged members
+				{
+					Config: cfg3.String(t),
+					Check: resource.ComposeAggregateTestCheckFunc(
+						resource.TestCheckNoResourceAttr("coderd_organization.test", "members"),
+					),
+				},
+			},
+		})
+	})
+
+	t.Run("CreateUnmanagedMembersOk", func(t *testing.T) {
+		resource.Test(t, resource.TestCase{
+			IsUnitTest:               true,
+			PreCheck:                 func() { testAccPreCheck(t) },
+			ProtoV6ProviderFactories: testAccProtoV6ProviderFactories,
+			Steps: []resource.TestStep{
+				{
+					Config: cfg3.String(t),
+					Check: resource.ComposeAggregateTestCheckFunc(
+						resource.TestCheckNoResourceAttr("coderd_organization.test", "members"),
+					),
+				},
+			},
+		})
+	})
+}
+
+type testAccOrganizationResourceConfig struct {
+	URL   string
+	Token string
+
+	Name        *string
+	DisplayName *string
+	Description *string
+	Icon        *string
+	Members     *[]string
+}
+
+func (c testAccOrganizationResourceConfig) String(t *testing.T) string {
+	t.Helper()
+	tpl := `
+provider coderd {
+	url = "{{.URL}}"
+	token = "{{.Token}}"
+}
+
+resource "coderd_organization" "test" {
+	name         = {{orNull .Name}}
+	display_name = {{orNull .DisplayName}}
+	description  = {{orNull .Description}}
+	icon         = {{orNull .Icon}}
+	members      = {{orNull .Members}}
+}
+`
+	funcMap := template.FuncMap{
+		"orNull": PrintOrNull,
+	}
+
+	buf := strings.Builder{}
+	tmpl, err := template.New("organizationResource").Funcs(funcMap).Parse(tpl)
+	require.NoError(t, err)
+
+	err = tmpl.Execute(&buf, c)
+	require.NoError(t, err)
+	return buf.String()
+}