test: check compatiblity with SDK/framework

Makefile

@@ -14,7 +14,7 @@ test:
 
 .PHONY: testacc
 testacc:
-	TF_ACC=1 go test -v ./mackerel/... -run $(TESTS) -timeout 120m
+	TF_ACC=1 go test -v ./... -run $(TESTS) -timeout 120m
 
 .PHONY: local-build
 local-build:

internal/provider/provider_test.go

@@ -5,9 +5,27 @@ import (
 	"testing"
 
 	fwprovider "github.com/hashicorp/terraform-plugin-framework/provider"
+	"github.com/hashicorp/terraform-plugin-framework/providerserver"
+	"github.com/hashicorp/terraform-plugin-go/tfprotov5"
 	"github.com/mackerelio-labs/terraform-provider-mackerel/internal/provider"
+	sdkmackerel "github.com/mackerelio-labs/terraform-provider-mackerel/mackerel"
 )
 
+var (
+	protoV5FrameworkProviderFactories = map[string]func() (tfprotov5.ProviderServer, error){
+		"mackerel": providerserver.NewProtocol5WithError(provider.New()),
+	}
+	protoV5SDKProviderFactories = map[string]func() (tfprotov5.ProviderServer, error){
+		"mackerel": func() (tfprotov5.ProviderServer, error) {
+			return sdkmackerel.Provider().GRPCProvider(), nil
+		},
+	}
+)
+
+func preCheck(t *testing.T) {
+	t.Helper()
+}
+
 func TestMackerelProvider_schema(t *testing.T) {
 	t.Parallel()
 

internal/provider/resource_mackerel_channel_test.go

@@ -5,6 +5,12 @@ import (
 	"testing"
 
 	fwresource "github.com/hashicorp/terraform-plugin-framework/resource"
+	"github.com/hashicorp/terraform-plugin-testing/helper/acctest"
+	"github.com/hashicorp/terraform-plugin-testing/helper/resource"
+	"github.com/hashicorp/terraform-plugin-testing/knownvalue"
+	"github.com/hashicorp/terraform-plugin-testing/plancheck"
+	"github.com/hashicorp/terraform-plugin-testing/statecheck"
+	"github.com/hashicorp/terraform-plugin-testing/tfjsonpath"
 	"github.com/mackerelio-labs/terraform-provider-mackerel/internal/provider"
 )
 
@@ -24,3 +30,72 @@ func Test_MackerelChannelResource_schema(t *testing.T) {
 		t.Fatalf("schema validation diagnostics: %+v", diags)
 	}
 }
+
+func TestAccCompat_MackerelChannelResource_Slack(t *testing.T) {
+	t.Parallel()
+
+	resourceName := "mackerel_channel.slack"
+	name := acctest.RandomWithPrefix("tf-channel-slack-compat")
+
+	config := `
+resource "mackerel_channel" "slack" {
+  name = "` + name + `"
+  slack {
+    url = "https://hooks.slack.com/services/xxx/yyy/zzz"
+  }
+}`
+
+	resource.Test(t, resource.TestCase{
+		PreCheck: func() { preCheck(t) },
+		Steps: []resource.TestStep{
+			// Test: SDK
+			{
+				Config:                   config,
+				ProtoV5ProviderFactories: protoV5SDKProviderFactories,
+				ConfigStateChecks: []statecheck.StateCheck{
+					statecheck.ExpectKnownValue(resourceName,
+						tfjsonpath.New("slack").AtSliceIndex(0).AtMapKey("events"),
+						knownvalue.Null()),
+					statecheck.ExpectKnownValue(resourceName,
+						tfjsonpath.New("slack").AtSliceIndex(0).AtMapKey("mentions"),
+						knownvalue.Null()),
+				},
+			},
+			// Test: Framework
+			{
+				Config:                   config,
+				ProtoV5ProviderFactories: protoV5FrameworkProviderFactories,
+				ConfigPlanChecks: resource.ConfigPlanChecks{
+					PreApply: []plancheck.PlanCheck{
+						plancheck.ExpectEmptyPlan(),
+					},
+				},
+			},
+			// Test: SDK
+			// Apply config twice to normalize the state.
+			{
+				Config:                   config,
+				ProtoV5ProviderFactories: protoV5SDKProviderFactories,
+				// { "slack": { "events": [], "menstions": {} }}
+				ConfigStateChecks: []statecheck.StateCheck{
+					statecheck.ExpectKnownValue(resourceName,
+						tfjsonpath.New("slack").AtSliceIndex(0).AtMapKey("events"),
+						knownvalue.ListSizeExact(0)),
+					statecheck.ExpectKnownValue(resourceName,
+						tfjsonpath.New("slack").AtSliceIndex(0).AtMapKey("mentions"),
+						knownvalue.MapSizeExact(0)),
+				},
+			},
+			// Test: Framework
+			{
+				Config:                   config,
+				ProtoV5ProviderFactories: protoV5FrameworkProviderFactories,
+				ConfigPlanChecks: resource.ConfigPlanChecks{
+					PreApply: []plancheck.PlanCheck{
+						plancheck.ExpectEmptyPlan(),
+					},
+				},
+			},
+		},
+	})
+}