From 51deae2bc7a4fffffc5abd8afe64982c4574cd00 Mon Sep 17 00:00:00 2001
From: Brian Flad <bflad417@gmail.com>
Date: Fri, 22 Apr 2022 06:46:40 -0400
Subject: [PATCH] internal/provider: Add compilation based interface assertions
 (#38)

This is a quick method for compilation errors to be raised should the types not satisfy the expected framework interfaces.
---
 internal/provider/example_data_source.go | 4 ++++
 internal/provider/example_resource.go    | 4 ++++
 internal/provider/provider.go            | 3 +++
 3 files changed, 11 insertions(+)

diff --git a/internal/provider/example_data_source.go b/internal/provider/example_data_source.go
index 5386897..e204c63 100644
--- a/internal/provider/example_data_source.go
+++ b/internal/provider/example_data_source.go
@@ -9,6 +9,10 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/types"
 )
 
+// Ensure provider defined types fully satisfy framework interfaces
+var _ tfsdk.DataSourceType = exampleDataSourceType{}
+var _ tfsdk.DataSource = exampleDataSource{}
+
 type exampleDataSourceType struct{}
 
 func (t exampleDataSourceType) GetSchema(ctx context.Context) (tfsdk.Schema, diag.Diagnostics) {
diff --git a/internal/provider/example_resource.go b/internal/provider/example_resource.go
index 8765832..e626ecf 100644
--- a/internal/provider/example_resource.go
+++ b/internal/provider/example_resource.go
@@ -10,6 +10,10 @@ import (
 	"github.com/hashicorp/terraform-plugin-log/tflog"
 )
 
+// Ensure provider defined types fully satisfy framework interfaces
+var _ tfsdk.ResourceType = exampleResourceType{}
+var _ tfsdk.Resource = exampleResource{}
+
 type exampleResourceType struct{}
 
 func (t exampleResourceType) GetSchema(ctx context.Context) (tfsdk.Schema, diag.Diagnostics) {
diff --git a/internal/provider/provider.go b/internal/provider/provider.go
index a9d43d6..958189a 100644
--- a/internal/provider/provider.go
+++ b/internal/provider/provider.go
@@ -9,6 +9,9 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/types"
 )
 
+// Ensure provider defined types fully satisfy framework interfaces
+var _ tfsdk.Provider = &provider{}
+
 // provider satisfies the tfsdk.Provider interface and usually is included
 // with all Resource and DataSource implementations.
 type provider struct {