pulumi/sdk/go/internal/state_test.go

158 lines
3.9 KiB
Go

// Copyright 2016-2023, Pulumi Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package internal
import (
"context"
"errors"
"reflect"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type intOutput struct {
*OutputState
}
func (o intOutput) ElementType() reflect.Type { return reflect.TypeOf(0) }
func TestRejectOutput(t *testing.T) {
t.Parallel()
giveErr := errors.New("great sadness")
out := NewOutput(nil, reflect.TypeOf(intOutput{}))
assert.Equal(t, OutputPending, GetOutputStatus(out))
RejectOutput(out, giveErr)
_, _, _, _, err := AwaitOutput(context.Background(), out)
assert.ErrorIs(t, err, giveErr)
assert.Equal(t, OutputRejected, GetOutputStatus(out))
}
func TestResolveOutput(t *testing.T) {
t.Parallel()
out := NewOutput(nil, reflect.TypeOf(intOutput{}))
assert.Equal(t, OutputPending, GetOutputStatus(out))
ResolveOutput(out, 42, true, false, nil)
got, known, secret, deps, err := AwaitOutput(context.Background(), out)
require.NoError(t, err)
assert.Equal(t, 42, got)
assert.True(t, known)
assert.False(t, secret)
assert.Empty(t, deps)
assert.Equal(t, OutputResolved, GetOutputStatus(out))
}
func TestResolveOutput_alreadyResolved(t *testing.T) {
t.Parallel()
out := NewOutput(nil, reflect.TypeOf(intOutput{}))
ResolveOutput(out, 42, true, false, nil)
assert.Equal(t, OutputResolved, GetOutputStatus(out))
ResolveOutput(out, 43, true, false, nil)
got, _, _, _, err := AwaitOutput(context.Background(), out)
require.NoError(t, err)
assert.Equal(t, 42, got)
}
func TestFulfillOutput_success(t *testing.T) {
t.Parallel()
out := NewOutput(nil, reflect.TypeOf(intOutput{}))
FulfillOutput(out, 42, true, false, nil, nil)
got, known, secret, deps, err := AwaitOutput(context.Background(), out)
require.NoError(t, err)
assert.Equal(t, 42, got)
assert.True(t, known)
assert.False(t, secret)
assert.Empty(t, deps)
}
func TestFulfillOutput_error(t *testing.T) {
t.Parallel()
giveErr := errors.New("great sadness")
out := NewOutput(nil, reflect.TypeOf(intOutput{}))
FulfillOutput(out, 42, true, false, nil, giveErr)
_, _, _, _, err := AwaitOutput(context.Background(), out)
assert.ErrorIs(t, err, giveErr)
}
func TestOutputDependencies(t *testing.T) {
t.Parallel()
t.Run("empty", func(t *testing.T) {
t.Parallel()
out := NewOutput(nil, reflect.TypeOf(intOutput{}))
assert.Empty(t, OutputDependencies(out))
})
t.Run("nonempty", func(t *testing.T) {
t.Parallel()
deps := []Resource{&ResourceState{}, &ResourceState{}}
out := NewOutput(nil, reflect.TypeOf(intOutput{}))
ResolveOutput(out, 42, true, false, deps)
gotDeps := OutputDependencies(out)
assert.Len(t, gotDeps, 2)
for i, dep := range deps {
assert.Same(t, dep, gotDeps[i])
}
})
}
func TestGetOutputState(t *testing.T) {
t.Parallel()
state := &OutputState{}
o := intOutput{OutputState: state}
got := GetOutputState(o)
assert.Same(t, state, got)
}
func TestGetOutputValue(t *testing.T) {
t.Parallel()
o := NewOutput(nil, reflect.TypeOf(intOutput{}))
assert.Nil(t, GetOutputValue(o))
ResolveOutput(o, 42, true, false, nil)
assert.Equal(t, 42, GetOutputValue(o))
}
func TestAwaitOutput_contextExpired(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithCancel(context.Background())
cancel()
out := NewOutput(nil, reflect.TypeOf(intOutput{}))
_, _, _, _, err := AwaitOutput(ctx, out)
assert.ErrorIs(t, err, context.Canceled)
}