diag: Move (Diagnostics).ToTfprotov6Diagnostics() method to internal/…

…toproto6 package (#313)

Reference: #215

.changelog/313.txt

@@ -0,0 +1,3 @@
+```release-note:breaking-change
+diag: Removed `Diagnostics` type `ToTfprotov6Diagnostics()` method. This was not intended for usage by provider developers.
+```

diag/diagnostics.go

@@ -1,7 +1,6 @@
 package diag
 
 import (
-	"github.com/hashicorp/terraform-plugin-go/tfprotov6"
 	"github.com/hashicorp/terraform-plugin-go/tftypes"
 )
 
@@ -71,27 +70,3 @@ func (diags Diagnostics) HasError() bool {
 
 	return false
 }
-
-// ToTfprotov6Diagnostics converts the diagnostics into the tfprotov6 collection type.
-//
-// Usage of this method outside the framework is not supported nor considered
-// for backwards compatibility promises.
-func (diags Diagnostics) ToTfprotov6Diagnostics() []*tfprotov6.Diagnostic {
-	var results []*tfprotov6.Diagnostic
-
-	for _, diag := range diags {
-		tfprotov6Diagnostic := &tfprotov6.Diagnostic{
-			Detail:   diag.Detail(),
-			Severity: diag.Severity().ToTfprotov6DiagnosticSeverity(),
-			Summary:  diag.Summary(),
-		}
-
-		if diagWithPath, ok := diag.(DiagnosticWithPath); ok {
-			tfprotov6Diagnostic.Attribute = diagWithPath.Path()
-		}
-
-		results = append(results, tfprotov6Diagnostic)
-	}
-
-	return results
-}

diag/diagnostics_test.go

@@ -5,7 +5,6 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/hashicorp/terraform-plugin-framework/diag"
-	"github.com/hashicorp/terraform-plugin-go/tfprotov6"
 	"github.com/hashicorp/terraform-plugin-go/tftypes"
 )
 
@@ -519,80 +518,3 @@ func TestDiagnosticsHasError(t *testing.T) {
 		})
 	}
 }
-
-func TestDiagnosticsToTfprotov6Diagnostics(t *testing.T) {
-	t.Parallel()
-
-	testCases := map[string]struct {
-		diags    diag.Diagnostics
-		expected []*tfprotov6.Diagnostic
-	}{
-		"nil": {
-			diags:    nil,
-			expected: nil,
-		},
-		"Diagnostic-SeverityInvalid": {
-			diags: diag.Diagnostics{
-				invalidSeverityDiagnostic{},
-			},
-			expected: []*tfprotov6.Diagnostic{
-				{
-					Detail:   invalidSeverityDiagnostic{}.Detail(),
-					Severity: tfprotov6.DiagnosticSeverityInvalid,
-					Summary:  invalidSeverityDiagnostic{}.Summary(),
-				},
-			},
-		},
-		"Diagnostic": {
-			diags: diag.Diagnostics{
-				diag.NewErrorDiagnostic("one summary", "one detail"),
-				diag.NewWarningDiagnostic("two summary", "two detail"),
-			},
-			expected: []*tfprotov6.Diagnostic{
-				{
-					Detail:   "one detail",
-					Severity: tfprotov6.DiagnosticSeverityError,
-					Summary:  "one summary",
-				},
-				{
-					Detail:   "two detail",
-					Severity: tfprotov6.DiagnosticSeverityWarning,
-					Summary:  "two summary",
-				},
-			},
-		},
-		"DiagnosticWithPath": {
-			diags: diag.Diagnostics{
-				diag.NewAttributeErrorDiagnostic(tftypes.NewAttributePath(), "one summary", "one detail"),
-				diag.NewAttributeWarningDiagnostic(tftypes.NewAttributePath().WithAttributeName("test"), "two summary", "two detail"),
-			},
-			expected: []*tfprotov6.Diagnostic{
-				{
-					Attribute: tftypes.NewAttributePath(),
-					Detail:    "one detail",
-					Severity:  tfprotov6.DiagnosticSeverityError,
-					Summary:   "one summary",
-				},
-				{
-					Attribute: tftypes.NewAttributePath().WithAttributeName("test"),
-					Detail:    "two detail",
-					Severity:  tfprotov6.DiagnosticSeverityWarning,
-					Summary:   "two summary",
-				},
-			},
-		},
-	}
-
-	for name, tc := range testCases {
-		name, tc := name, tc
-		t.Run(name, func(t *testing.T) {
-			t.Parallel()
-
-			got := tc.diags.ToTfprotov6Diagnostics()
-
-			if diff := cmp.Diff(got, tc.expected); diff != "" {
-				t.Errorf("Unexpected response (+wanted, -got): %s", diff)
-			}
-		})
-	}
-}

internal/proto6server/serve.go

@@ -101,7 +101,7 @@ func (r getProviderSchemaResponse) toTfprotov6() *tfprotov6.GetProviderSchemaRes
 		ProviderMeta:      r.ProviderMeta,
 		ResourceSchemas:   r.ResourceSchemas,
 		DataSourceSchemas: r.DataSourceSchemas,
-		Diagnostics:       r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics:       toproto6.Diagnostics(r.Diagnostics),
 	}
 }
 
@@ -240,7 +240,7 @@ type validateProviderConfigResponse struct {
 func (r validateProviderConfigResponse) toTfprotov6() *tfprotov6.ValidateProviderConfigResponse {
 	return &tfprotov6.ValidateProviderConfigResponse{
 		PreparedConfig: r.PreparedConfig,
-		Diagnostics:    r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics:    toproto6.Diagnostics(r.Diagnostics),
 	}
 }
 
@@ -353,7 +353,7 @@ type configureProviderResponse struct {
 
 func (r configureProviderResponse) toTfprotov6() *tfprotov6.ConfigureProviderResponse {
 	return &tfprotov6.ConfigureProviderResponse{
-		Diagnostics: r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics: toproto6.Diagnostics(r.Diagnostics),
 	}
 }
 
@@ -409,7 +409,7 @@ type validateResourceConfigResponse struct {
 
 func (r validateResourceConfigResponse) toTfprotov6() *tfprotov6.ValidateResourceConfigResponse {
 	return &tfprotov6.ValidateResourceConfigResponse{
-		Diagnostics: r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics: toproto6.Diagnostics(r.Diagnostics),
 	}
 }
 
@@ -536,7 +536,7 @@ type upgradeResourceStateResponse struct {
 
 func (r upgradeResourceStateResponse) toTfprotov6() *tfprotov6.UpgradeResourceStateResponse {
 	return &tfprotov6.UpgradeResourceStateResponse{
-		Diagnostics:   r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics:   toproto6.Diagnostics(r.Diagnostics),
 		UpgradedState: r.UpgradedState,
 	}
 }
@@ -766,7 +766,7 @@ type readResourceResponse struct {
 func (r readResourceResponse) toTfprotov6() *tfprotov6.ReadResourceResponse {
 	return &tfprotov6.ReadResourceResponse{
 		NewState:    r.NewState,
-		Diagnostics: r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics: toproto6.Diagnostics(r.Diagnostics),
 		Private:     r.Private,
 	}
 }
@@ -911,7 +911,7 @@ type planResourceChangeResponse struct {
 func (r planResourceChangeResponse) toTfprotov6() *tfprotov6.PlanResourceChangeResponse {
 	return &tfprotov6.PlanResourceChangeResponse{
 		PlannedState:    r.PlannedState,
-		Diagnostics:     r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics:     toproto6.Diagnostics(r.Diagnostics),
 		RequiresReplace: r.RequiresReplace,
 		PlannedPrivate:  r.PlannedPrivate,
 	}
@@ -1209,7 +1209,7 @@ func (r applyResourceChangeResponse) toTfprotov6() *tfprotov6.ApplyResourceChang
 	return &tfprotov6.ApplyResourceChangeResponse{
 		NewState:    r.NewState,
 		Private:     r.Private,
-		Diagnostics: r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics: toproto6.Diagnostics(r.Diagnostics),
 	}
 }
 
@@ -1532,7 +1532,7 @@ type validateDataResourceConfigResponse struct {
 
 func (r validateDataResourceConfigResponse) toTfprotov6() *tfprotov6.ValidateDataResourceConfigResponse {
 	return &tfprotov6.ValidateDataResourceConfigResponse{
-		Diagnostics: r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics: toproto6.Diagnostics(r.Diagnostics),
 	}
 }
 
@@ -1660,7 +1660,7 @@ type readDataSourceResponse struct {
 func (r readDataSourceResponse) toTfprotov6() *tfprotov6.ReadDataSourceResponse {
 	return &tfprotov6.ReadDataSourceResponse{
 		State:       r.State,
-		Diagnostics: r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics: toproto6.Diagnostics(r.Diagnostics),
 	}
 }
 

internal/proto6server/serve_import.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/hashicorp/terraform-plugin-framework/diag"
 	"github.com/hashicorp/terraform-plugin-framework/internal/logging"
+	"github.com/hashicorp/terraform-plugin-framework/internal/toproto6"
 	"github.com/hashicorp/terraform-plugin-framework/tfsdk"
 	"github.com/hashicorp/terraform-plugin-go/tfprotov6"
 	"github.com/hashicorp/terraform-plugin-go/tftypes"
@@ -50,12 +51,12 @@ type importResourceStateResponse struct {
 
 func (r importResourceStateResponse) toTfprotov6(ctx context.Context) *tfprotov6.ImportResourceStateResponse {
 	resp := &tfprotov6.ImportResourceStateResponse{
-		Diagnostics: r.Diagnostics.ToTfprotov6Diagnostics(),
+		Diagnostics: toproto6.Diagnostics(r.Diagnostics),
 	}
 
 	for _, ir := range r.ImportedResources {
 		irProto6, diags := ir.toTfprotov6(ctx)
-		resp.Diagnostics = append(resp.Diagnostics, diags.ToTfprotov6Diagnostics()...)
+		resp.Diagnostics = append(resp.Diagnostics, toproto6.Diagnostics(diags)...)
 		if diags.HasError() {
 			continue
 		}

internal/toproto6/diagnostics.go

@@ -0,0 +1,27 @@
+package toproto6
+
+import (
+	"github.com/hashicorp/terraform-plugin-framework/diag"
+	"github.com/hashicorp/terraform-plugin-go/tfprotov6"
+)
+
+// Diagnostics converts the diagnostics into the tfprotov6 collection type.
+func Diagnostics(diagnostics diag.Diagnostics) []*tfprotov6.Diagnostic {
+	var results []*tfprotov6.Diagnostic
+
+	for _, diagnostic := range diagnostics {
+		tfprotov6Diagnostic := &tfprotov6.Diagnostic{
+			Detail:   diagnostic.Detail(),
+			Severity: diagnostic.Severity().ToTfprotov6DiagnosticSeverity(),
+			Summary:  diagnostic.Summary(),
+		}
+
+		if diagWithPath, ok := diagnostic.(diag.DiagnosticWithPath); ok {
+			tfprotov6Diagnostic.Attribute = diagWithPath.Path()
+		}
+
+		results = append(results, tfprotov6Diagnostic)
+	}
+
+	return results
+}