pulumi/pkg/codegen/schema/schema_test.go

// Copyright 2016-2020, 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 schema

import (
	"encoding/json"
	"io/ioutil"
	"path/filepath"
	"testing"

	"github.com/stretchr/testify/assert"
)

func readSchemaFile(file string) (pkgSpec PackageSpec) {
	// Read in, decode, and import the schema.
	schemaBytes, err := ioutil.ReadFile(filepath.Join("..", "internal", "test", "testdata", file))
	if err != nil {
		panic(err)
	}

	if err = json.Unmarshal(schemaBytes, &pkgSpec); err != nil {
		panic(err)
	}

	return pkgSpec
}

func TestImportSpec(t *testing.T) {
	// Read in, decode, and import the schema.
	pkgSpec := readSchemaFile("kubernetes.json")

	pkg, err := ImportSpec(pkgSpec, nil)
	if err != nil {
		t.Errorf("ImportSpec() error = %v", err)
	}

	for _, r := range pkg.Resources {
		assert.NotNil(t, r.Package, "expected resource %s to have an associated Package", r.Token)
	}
}

var enumTests = []struct {
	filename    string
	shouldError bool
	expected    *EnumType
}{
	{"bad-enum-1.json", true, nil},
	{"bad-enum-2.json", true, nil},
	{"bad-enum-3.json", true, nil},
	{"bad-enum-4.json", true, nil},
	{"good-enum-1.json", false, &EnumType{
		Token:       "fake-provider:module1:Color",
		ElementType: stringType,
		Elements: []*Enum{
			{Value: "Red"},
			{Value: "Orange"},
			{Value: "Yellow"},
			{Value: "Green"},
		},
	}},
	{"good-enum-2.json", false, &EnumType{
		Token:       "fake-provider:module1:Number",
		ElementType: intType,
		Elements: []*Enum{
			{Value: int32(1), Name: "One"},
			{Value: int32(2), Name: "Two"},
			{Value: int32(3), Name: "Three"},
			{Value: int32(6), Name: "Six"},
		},
	}},
	{"good-enum-3.json", false, &EnumType{
		Token:       "fake-provider:module1:Boolean",
		ElementType: boolType,
		Elements: []*Enum{
			{Value: true, Name: "One"},
			{Value: false, Name: "Zero"},
		},
	}},
	{"good-enum-4.json", false, &EnumType{
		Token:       "fake-provider:module1:Number2",
		ElementType: numberType,
		Comment:     "what a great description",
		Elements: []*Enum{
			{Value: float64(1), Comment: "one", Name: "One"},
			{Value: float64(2), Comment: "two", Name: "Two"},
			{Value: 3.4, Comment: "3.4", Name: "ThreePointFour"},
			{Value: float64(6), Comment: "six", Name: "Six"},
		},
	}},
}

func TestEnums(t *testing.T) {
	for _, tt := range enumTests {
		t.Run(tt.filename, func(t *testing.T) {
			pkgSpec := readSchemaFile(filepath.Join("schema", tt.filename))

			pkg, err := ImportSpec(pkgSpec, nil)
			if tt.shouldError {
				assert.Error(t, err)
			} else {
				if err != nil {
					t.Error(err)
				}
				result := pkg.Types[0]
				assert.Equal(t, tt.expected, result)
			}
		})
	}
}

func TestImportResourceRef(t *testing.T) {
	tests := []struct {
		name       string
		schemaFile string
		wantErr    bool
		validator  func(pkg *Package)
	}{
		{
			"valid",
			"simple-resource-schema.json",
			false,
			func(pkg *Package) {
				for _, r := range pkg.Resources {
					if r.Token == "example::OtherResource" {
						for _, p := range r.Properties {
							if p.Name == "foo" {
								assert.IsType(t, &ResourceType{}, p.Type)
							}
						}
					}
				}
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// Read in, decode, and import the schema.
			schemaBytes, err := ioutil.ReadFile(
				filepath.Join("..", "internal", "test", "testdata", tt.schemaFile))
			assert.NoError(t, err)

			var pkgSpec PackageSpec
			err = json.Unmarshal(schemaBytes, &pkgSpec)
			assert.NoError(t, err)

			pkg, err := ImportSpec(pkgSpec, nil)
			if (err != nil) != tt.wantErr {
				t.Errorf("ImportSpec() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			tt.validator(pkg)
		})
	}
}