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Return early on GetProviderSchema RPC responses with error diagnostics #31184

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merged 1 commit into from Jun 6, 2022
Merged

Return early on GetProviderSchema RPC responses with error diagnostics #31184

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4 changes: 4 additions & 0 deletions internal/plugin/grpc_provider.go
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Expand Up @@ -137,6 +137,10 @@ func (p *GRPCProvider) GetProviderSchema() (resp providers.GetProviderSchemaResp

resp.Diagnostics = resp.Diagnostics.Append(convert.ProtoToDiagnostics(protoResp.Diagnostics))

if resp.Diagnostics.HasErrors() {
return resp
}

if protoResp.Provider == nil {
resp.Diagnostics = resp.Diagnostics.Append(errors.New("missing provider schema"))
return resp
Expand Down
61 changes: 61 additions & 0 deletions internal/plugin/grpc_provider_test.go
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Expand Up @@ -39,6 +39,15 @@ func checkDiags(t *testing.T, d tfdiags.Diagnostics) {
}
}

// checkDiagsHasError ensures error diagnostics are present or fails the test.
func checkDiagsHasError(t *testing.T, d tfdiags.Diagnostics) {
t.Helper()

if !d.HasErrors() {
t.Fatal("expected error diagnostics")
}
}

func providerProtoSchema() *proto.GetProviderSchema_Response {
return &proto.GetProviderSchema_Response{
Provider: &proto.Schema{
Expand Down Expand Up @@ -92,6 +101,58 @@ func TestGRPCProvider_GetSchema(t *testing.T) {
checkDiags(t, resp.Diagnostics)
}

// Ensure that gRPC errors are returned early.
// Reference: https://github.com/hashicorp/terraform/issues/31047
func TestGRPCProvider_GetSchema_GRPCError(t *testing.T) {
ctrl := gomock.NewController(t)
client := mockproto.NewMockProviderClient(ctrl)

client.EXPECT().GetSchema(
gomock.Any(),
gomock.Any(),
gomock.Any(),
).Return(&proto.GetProviderSchema_Response{}, fmt.Errorf("test error"))

p := &GRPCProvider{
client: client,
}

resp := p.GetProviderSchema()

checkDiagsHasError(t, resp.Diagnostics)
}

// Ensure that provider error diagnostics are returned early.
// Reference: https://github.com/hashicorp/terraform/issues/31047
func TestGRPCProvider_GetSchema_ResponseErrorDiagnostic(t *testing.T) {
ctrl := gomock.NewController(t)
client := mockproto.NewMockProviderClient(ctrl)

client.EXPECT().GetSchema(
gomock.Any(),
gomock.Any(),
gomock.Any(),
).Return(&proto.GetProviderSchema_Response{
Diagnostics: []*proto.Diagnostic{
{
Severity: proto.Diagnostic_ERROR,
Summary: "error summary",
Detail: "error detail",
},
},
// Trigger potential panics
Provider: &proto.Schema{},
}, nil)

p := &GRPCProvider{
client: client,
}

resp := p.GetProviderSchema()

checkDiagsHasError(t, resp.Diagnostics)
}

func TestGRPCProvider_PrepareProviderConfig(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
Expand Down
4 changes: 4 additions & 0 deletions internal/plugin6/grpc_provider.go
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Expand Up @@ -144,6 +144,10 @@ func (p *GRPCProvider) GetProviderSchema() (resp providers.GetProviderSchemaResp

resp.Diagnostics = resp.Diagnostics.Append(convert.ProtoToDiagnostics(protoResp.Diagnostics))

if resp.Diagnostics.HasErrors() {
return resp
}

if protoResp.Provider == nil {
resp.Diagnostics = resp.Diagnostics.Append(errors.New("missing provider schema"))
return resp
Expand Down
61 changes: 61 additions & 0 deletions internal/plugin6/grpc_provider_test.go
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Open in desktop
Expand Up @@ -46,6 +46,15 @@ func checkDiags(t *testing.T, d tfdiags.Diagnostics) {
}
}

// checkDiagsHasError ensures error diagnostics are present or fails the test.
func checkDiagsHasError(t *testing.T, d tfdiags.Diagnostics) {
t.Helper()

if !d.HasErrors() {
t.Fatal("expected error diagnostics")
}
}

func providerProtoSchema() *proto.GetProviderSchema_Response {
return &proto.GetProviderSchema_Response{
Provider: &proto.Schema{
Expand Down Expand Up @@ -99,6 +108,58 @@ func TestGRPCProvider_GetSchema(t *testing.T) {
checkDiags(t, resp.Diagnostics)
}

// Ensure that gRPC errors are returned early.
// Reference: https://github.com/hashicorp/terraform/issues/31047
func TestGRPCProvider_GetSchema_GRPCError(t *testing.T) {
ctrl := gomock.NewController(t)
client := mockproto.NewMockProviderClient(ctrl)

client.EXPECT().GetProviderSchema(
gomock.Any(),
gomock.Any(),
gomock.Any(),
).Return(&proto.GetProviderSchema_Response{}, fmt.Errorf("test error"))

p := &GRPCProvider{
client: client,
}

resp := p.GetProviderSchema()

checkDiagsHasError(t, resp.Diagnostics)
}

// Ensure that provider error diagnostics are returned early.
// Reference: https://github.com/hashicorp/terraform/issues/31047
func TestGRPCProvider_GetSchema_ResponseErrorDiagnostic(t *testing.T) {
ctrl := gomock.NewController(t)
client := mockproto.NewMockProviderClient(ctrl)

client.EXPECT().GetProviderSchema(
gomock.Any(),
gomock.Any(),
gomock.Any(),
).Return(&proto.GetProviderSchema_Response{
Diagnostics: []*proto.Diagnostic{
{
Severity: proto.Diagnostic_ERROR,
Summary: "error summary",
Detail: "error detail",
},
},
// Trigger potential panics
Provider: &proto.Schema{},
}, nil)

p := &GRPCProvider{
client: client,
}

resp := p.GetProviderSchema()

checkDiagsHasError(t, resp.Diagnostics)
}

func TestGRPCProvider_PrepareProviderConfig(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
Expand Down