terraform/internal/plugin/grpc_provider_test.go

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package plugin
import (
"bytes"
"fmt"
"testing"
"github.com/golang/mock/gomock"
"github.com/google/go-cmp/cmp"
"github.com/hashicorp/terraform/internal/configs/hcl2shim"
"github.com/hashicorp/terraform/internal/providers"
"github.com/hashicorp/terraform/internal/tfdiags"
"github.com/zclconf/go-cty/cty"
mockproto "github.com/hashicorp/terraform/internal/plugin/mock_proto"
proto "github.com/hashicorp/terraform/internal/tfplugin5"
)
var _ providers.Interface = (*GRPCProvider)(nil)
func mockProviderClient(t *testing.T) *mockproto.MockProviderClient {
ctrl := gomock.NewController(t)
client := mockproto.NewMockProviderClient(ctrl)
// we always need a GetSchema method
client.EXPECT().GetSchema(
gomock.Any(),
gomock.Any(),
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gomock.Any(),
).Return(providerProtoSchema(), nil)
return client
}
func checkDiags(t *testing.T, d tfdiags.Diagnostics) {
t.Helper()
if d.HasErrors() {
t.Fatal(d.Err())
}
}
func providerProtoSchema() *proto.GetProviderSchema_Response {
return &proto.GetProviderSchema_Response{
Provider: &proto.Schema{
Block: &proto.Schema_Block{
Attributes: []*proto.Schema_Attribute{
{
Name: "attr",
Type: []byte(`"string"`),
Required: true,
},
},
},
},
ResourceSchemas: map[string]*proto.Schema{
"resource": &proto.Schema{
Version: 1,
Block: &proto.Schema_Block{
Attributes: []*proto.Schema_Attribute{
{
Name: "attr",
Type: []byte(`"string"`),
Required: true,
},
},
},
},
},
DataSourceSchemas: map[string]*proto.Schema{
"data": &proto.Schema{
Version: 1,
Block: &proto.Schema_Block{
Attributes: []*proto.Schema_Attribute{
{
Name: "attr",
Type: []byte(`"string"`),
Required: true,
},
},
},
},
},
}
}
func TestGRPCProvider_GetSchema(t *testing.T) {
p := &GRPCProvider{
client: mockProviderClient(t),
}
resp := p.GetProviderSchema()
checkDiags(t, resp.Diagnostics)
}
func TestGRPCProvider_PrepareProviderConfig(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().PrepareProviderConfig(
gomock.Any(),
gomock.Any(),
).Return(&proto.PrepareProviderConfig_Response{}, nil)
cfg := hcl2shim.HCL2ValueFromConfigValue(map[string]interface{}{"attr": "value"})
resp := p.ValidateProviderConfig(providers.ValidateProviderConfigRequest{Config: cfg})
checkDiags(t, resp.Diagnostics)
}
func TestGRPCProvider_ValidateResourceConfig(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().ValidateResourceTypeConfig(
gomock.Any(),
gomock.Any(),
).Return(&proto.ValidateResourceTypeConfig_Response{}, nil)
cfg := hcl2shim.HCL2ValueFromConfigValue(map[string]interface{}{"attr": "value"})
resp := p.ValidateResourceConfig(providers.ValidateResourceConfigRequest{
TypeName: "resource",
Config: cfg,
})
checkDiags(t, resp.Diagnostics)
}
func TestGRPCProvider_ValidateDataSourceConfig(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().ValidateDataSourceConfig(
gomock.Any(),
gomock.Any(),
).Return(&proto.ValidateDataSourceConfig_Response{}, nil)
cfg := hcl2shim.HCL2ValueFromConfigValue(map[string]interface{}{"attr": "value"})
resp := p.ValidateDataResourceConfig(providers.ValidateDataResourceConfigRequest{
TypeName: "data",
Config: cfg,
})
checkDiags(t, resp.Diagnostics)
}
func TestGRPCProvider_UpgradeResourceState(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().UpgradeResourceState(
gomock.Any(),
gomock.Any(),
).Return(&proto.UpgradeResourceState_Response{
UpgradedState: &proto.DynamicValue{
Msgpack: []byte("\x81\xa4attr\xa3bar"),
},
}, nil)
resp := p.UpgradeResourceState(providers.UpgradeResourceStateRequest{
TypeName: "resource",
Version: 0,
RawStateJSON: []byte(`{"old_attr":"bar"}`),
})
checkDiags(t, resp.Diagnostics)
expected := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
})
if !cmp.Equal(expected, resp.UpgradedState, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expected, resp.UpgradedState, typeComparer, valueComparer, equateEmpty))
}
}
func TestGRPCProvider_UpgradeResourceStateJSON(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().UpgradeResourceState(
gomock.Any(),
gomock.Any(),
).Return(&proto.UpgradeResourceState_Response{
UpgradedState: &proto.DynamicValue{
Json: []byte(`{"attr":"bar"}`),
},
}, nil)
resp := p.UpgradeResourceState(providers.UpgradeResourceStateRequest{
TypeName: "resource",
Version: 0,
RawStateJSON: []byte(`{"old_attr":"bar"}`),
})
checkDiags(t, resp.Diagnostics)
expected := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
})
if !cmp.Equal(expected, resp.UpgradedState, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expected, resp.UpgradedState, typeComparer, valueComparer, equateEmpty))
}
}
func TestGRPCProvider_Configure(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().Configure(
gomock.Any(),
gomock.Any(),
).Return(&proto.Configure_Response{}, nil)
resp := p.ConfigureProvider(providers.ConfigureProviderRequest{
Config: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("foo"),
}),
})
checkDiags(t, resp.Diagnostics)
}
func TestGRPCProvider_Stop(t *testing.T) {
ctrl := gomock.NewController(t)
client := mockproto.NewMockProviderClient(ctrl)
p := &GRPCProvider{
client: client,
}
client.EXPECT().Stop(
gomock.Any(),
gomock.Any(),
).Return(&proto.Stop_Response{}, nil)
err := p.Stop()
if err != nil {
t.Fatal(err)
}
}
func TestGRPCProvider_ReadResource(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().ReadResource(
gomock.Any(),
gomock.Any(),
).Return(&proto.ReadResource_Response{
NewState: &proto.DynamicValue{
Msgpack: []byte("\x81\xa4attr\xa3bar"),
},
}, nil)
resp := p.ReadResource(providers.ReadResourceRequest{
TypeName: "resource",
PriorState: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("foo"),
}),
})
checkDiags(t, resp.Diagnostics)
expected := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
})
if !cmp.Equal(expected, resp.NewState, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expected, resp.NewState, typeComparer, valueComparer, equateEmpty))
}
}
func TestGRPCProvider_ReadResourceJSON(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().ReadResource(
gomock.Any(),
gomock.Any(),
).Return(&proto.ReadResource_Response{
NewState: &proto.DynamicValue{
Json: []byte(`{"attr":"bar"}`),
},
}, nil)
resp := p.ReadResource(providers.ReadResourceRequest{
TypeName: "resource",
PriorState: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("foo"),
}),
})
checkDiags(t, resp.Diagnostics)
expected := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
})
if !cmp.Equal(expected, resp.NewState, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expected, resp.NewState, typeComparer, valueComparer, equateEmpty))
}
}
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func TestGRPCProvider_ReadEmptyJSON(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().ReadResource(
gomock.Any(),
gomock.Any(),
).Return(&proto.ReadResource_Response{
NewState: &proto.DynamicValue{
Json: []byte(``),
},
}, nil)
obj := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("foo"),
})
resp := p.ReadResource(providers.ReadResourceRequest{
TypeName: "resource",
PriorState: obj,
})
checkDiags(t, resp.Diagnostics)
expected := cty.NullVal(obj.Type())
if !cmp.Equal(expected, resp.NewState, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expected, resp.NewState, typeComparer, valueComparer, equateEmpty))
}
}
func TestGRPCProvider_PlanResourceChange(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
expectedPrivate := []byte(`{"meta": "data"}`)
client.EXPECT().PlanResourceChange(
gomock.Any(),
gomock.Any(),
).Return(&proto.PlanResourceChange_Response{
PlannedState: &proto.DynamicValue{
Msgpack: []byte("\x81\xa4attr\xa3bar"),
},
RequiresReplace: []*proto.AttributePath{
{
Steps: []*proto.AttributePath_Step{
{
Selector: &proto.AttributePath_Step_AttributeName{
AttributeName: "attr",
},
},
},
},
},
PlannedPrivate: expectedPrivate,
}, nil)
resp := p.PlanResourceChange(providers.PlanResourceChangeRequest{
TypeName: "resource",
PriorState: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("foo"),
}),
ProposedNewState: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
}),
Config: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
}),
})
checkDiags(t, resp.Diagnostics)
expectedState := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
})
if !cmp.Equal(expectedState, resp.PlannedState, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expectedState, resp.PlannedState, typeComparer, valueComparer, equateEmpty))
}
expectedReplace := `[]cty.Path{cty.Path{cty.GetAttrStep{Name:"attr"}}}`
replace := fmt.Sprintf("%#v", resp.RequiresReplace)
if expectedReplace != replace {
t.Fatalf("expected %q, got %q", expectedReplace, replace)
}
if !bytes.Equal(expectedPrivate, resp.PlannedPrivate) {
t.Fatalf("expected %q, got %q", expectedPrivate, resp.PlannedPrivate)
}
}
func TestGRPCProvider_PlanResourceChangeJSON(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
expectedPrivate := []byte(`{"meta": "data"}`)
client.EXPECT().PlanResourceChange(
gomock.Any(),
gomock.Any(),
).Return(&proto.PlanResourceChange_Response{
PlannedState: &proto.DynamicValue{
Json: []byte(`{"attr":"bar"}`),
},
RequiresReplace: []*proto.AttributePath{
{
Steps: []*proto.AttributePath_Step{
{
Selector: &proto.AttributePath_Step_AttributeName{
AttributeName: "attr",
},
},
},
},
},
PlannedPrivate: expectedPrivate,
}, nil)
resp := p.PlanResourceChange(providers.PlanResourceChangeRequest{
TypeName: "resource",
PriorState: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("foo"),
}),
ProposedNewState: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
}),
Config: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
}),
})
checkDiags(t, resp.Diagnostics)
expectedState := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
})
if !cmp.Equal(expectedState, resp.PlannedState, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expectedState, resp.PlannedState, typeComparer, valueComparer, equateEmpty))
}
expectedReplace := `[]cty.Path{cty.Path{cty.GetAttrStep{Name:"attr"}}}`
replace := fmt.Sprintf("%#v", resp.RequiresReplace)
if expectedReplace != replace {
t.Fatalf("expected %q, got %q", expectedReplace, replace)
}
if !bytes.Equal(expectedPrivate, resp.PlannedPrivate) {
t.Fatalf("expected %q, got %q", expectedPrivate, resp.PlannedPrivate)
}
}
func TestGRPCProvider_ApplyResourceChange(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
expectedPrivate := []byte(`{"meta": "data"}`)
client.EXPECT().ApplyResourceChange(
gomock.Any(),
gomock.Any(),
).Return(&proto.ApplyResourceChange_Response{
NewState: &proto.DynamicValue{
Msgpack: []byte("\x81\xa4attr\xa3bar"),
},
Private: expectedPrivate,
}, nil)
resp := p.ApplyResourceChange(providers.ApplyResourceChangeRequest{
TypeName: "resource",
PriorState: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("foo"),
}),
PlannedState: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
}),
Config: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
}),
PlannedPrivate: expectedPrivate,
})
checkDiags(t, resp.Diagnostics)
expectedState := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
})
if !cmp.Equal(expectedState, resp.NewState, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expectedState, resp.NewState, typeComparer, valueComparer, equateEmpty))
}
if !bytes.Equal(expectedPrivate, resp.Private) {
t.Fatalf("expected %q, got %q", expectedPrivate, resp.Private)
}
}
func TestGRPCProvider_ApplyResourceChangeJSON(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
expectedPrivate := []byte(`{"meta": "data"}`)
client.EXPECT().ApplyResourceChange(
gomock.Any(),
gomock.Any(),
).Return(&proto.ApplyResourceChange_Response{
NewState: &proto.DynamicValue{
Json: []byte(`{"attr":"bar"}`),
},
Private: expectedPrivate,
}, nil)
resp := p.ApplyResourceChange(providers.ApplyResourceChangeRequest{
TypeName: "resource",
PriorState: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("foo"),
}),
PlannedState: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
}),
Config: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
}),
PlannedPrivate: expectedPrivate,
})
checkDiags(t, resp.Diagnostics)
expectedState := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
})
if !cmp.Equal(expectedState, resp.NewState, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expectedState, resp.NewState, typeComparer, valueComparer, equateEmpty))
}
if !bytes.Equal(expectedPrivate, resp.Private) {
t.Fatalf("expected %q, got %q", expectedPrivate, resp.Private)
}
}
func TestGRPCProvider_ImportResourceState(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
expectedPrivate := []byte(`{"meta": "data"}`)
client.EXPECT().ImportResourceState(
gomock.Any(),
gomock.Any(),
).Return(&proto.ImportResourceState_Response{
ImportedResources: []*proto.ImportResourceState_ImportedResource{
{
TypeName: "resource",
State: &proto.DynamicValue{
Msgpack: []byte("\x81\xa4attr\xa3bar"),
},
Private: expectedPrivate,
},
},
}, nil)
resp := p.ImportResourceState(providers.ImportResourceStateRequest{
TypeName: "resource",
ID: "foo",
})
checkDiags(t, resp.Diagnostics)
expectedResource := providers.ImportedResource{
TypeName: "resource",
State: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
}),
Private: expectedPrivate,
}
imported := resp.ImportedResources[0]
if !cmp.Equal(expectedResource, imported, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expectedResource, imported, typeComparer, valueComparer, equateEmpty))
}
}
func TestGRPCProvider_ImportResourceStateJSON(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
expectedPrivate := []byte(`{"meta": "data"}`)
client.EXPECT().ImportResourceState(
gomock.Any(),
gomock.Any(),
).Return(&proto.ImportResourceState_Response{
ImportedResources: []*proto.ImportResourceState_ImportedResource{
{
TypeName: "resource",
State: &proto.DynamicValue{
Json: []byte(`{"attr":"bar"}`),
},
Private: expectedPrivate,
},
},
}, nil)
resp := p.ImportResourceState(providers.ImportResourceStateRequest{
TypeName: "resource",
ID: "foo",
})
checkDiags(t, resp.Diagnostics)
expectedResource := providers.ImportedResource{
TypeName: "resource",
State: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
}),
Private: expectedPrivate,
}
imported := resp.ImportedResources[0]
if !cmp.Equal(expectedResource, imported, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expectedResource, imported, typeComparer, valueComparer, equateEmpty))
}
}
func TestGRPCProvider_ReadDataSource(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().ReadDataSource(
gomock.Any(),
gomock.Any(),
).Return(&proto.ReadDataSource_Response{
State: &proto.DynamicValue{
Msgpack: []byte("\x81\xa4attr\xa3bar"),
},
}, nil)
resp := p.ReadDataSource(providers.ReadDataSourceRequest{
TypeName: "data",
Config: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("foo"),
}),
})
checkDiags(t, resp.Diagnostics)
expected := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
})
if !cmp.Equal(expected, resp.State, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expected, resp.State, typeComparer, valueComparer, equateEmpty))
}
}
func TestGRPCProvider_ReadDataSourceJSON(t *testing.T) {
client := mockProviderClient(t)
p := &GRPCProvider{
client: client,
}
client.EXPECT().ReadDataSource(
gomock.Any(),
gomock.Any(),
).Return(&proto.ReadDataSource_Response{
State: &proto.DynamicValue{
Json: []byte(`{"attr":"bar"}`),
},
}, nil)
resp := p.ReadDataSource(providers.ReadDataSourceRequest{
TypeName: "data",
Config: cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("foo"),
}),
})
checkDiags(t, resp.Diagnostics)
expected := cty.ObjectVal(map[string]cty.Value{
"attr": cty.StringVal("bar"),
})
if !cmp.Equal(expected, resp.State, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(expected, resp.State, typeComparer, valueComparer, equateEmpty))
}
}