mirror of https://github.com/pulumi/pulumi.git
108 lines
3.1 KiB
Go
108 lines
3.1 KiB
Go
// Copyright 2016-2020, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package test
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/pulumi/pulumi/pkg/v3/codegen/schema"
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"github.com/stretchr/testify/assert"
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)
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// GenPkgSignature corresponds to the shape of the codegen GeneratePackage functions.
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type GenPkgSignature func(string, *schema.Package, map[string][]byte) (map[string][]byte, error)
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// GeneratePackageFilesFromSchema loads a schema and generates files using the provided GeneratePackage function.
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func GeneratePackageFilesFromSchema(schemaPath string, genPackageFunc GenPkgSignature) (map[string][]byte, error) {
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// Read in, decode, and import the schema.
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schemaBytes, err := ioutil.ReadFile(schemaPath)
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if err != nil {
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return nil, err
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}
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var pkgSpec schema.PackageSpec
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err = json.Unmarshal(schemaBytes, &pkgSpec)
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if err != nil {
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return nil, err
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}
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pkg, err := schema.ImportSpec(pkgSpec, nil)
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if err != nil {
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return nil, err
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}
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return genPackageFunc("test", pkg, nil)
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}
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// LoadFiles loads the provided list of files from a directory.
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func LoadFiles(dir, lang string, files []string) (map[string][]byte, error) {
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result := map[string][]byte{}
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for _, file := range files {
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fileBytes, err := ioutil.ReadFile(filepath.Join(dir, lang, file))
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if err != nil {
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return nil, err
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}
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result[file] = fileBytes
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}
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return result, nil
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}
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// ValidateFileEquality compares maps of files for equality.
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func ValidateFileEquality(t *testing.T, actual, expected map[string][]byte) {
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for name, file := range expected {
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assert.Contains(t, actual, name)
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assert.Equal(t, string(file), string(actual[name]), name)
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}
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}
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// If PULUMI_ACCEPT is set, writes out actual output to th expected
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// file set, so we can continue enjoying golden tests without manually
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// modifying the expected output.
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func RewriteFilesWhenPulumiAccept(t *testing.T, dir, lang string, actual map[string][]byte) {
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if os.Getenv("PULUMI_ACCEPT") != "" {
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for file, bytes := range actual {
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err := ioutil.WriteFile(filepath.Join(dir, lang, file), bytes, 0600)
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if err != nil {
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t.Fatal(err)
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}
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}
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}
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}
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// CheckAllFilesGenerated ensures that the set of expected and actual files generated
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// are exactly equivalent.
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func CheckAllFilesGenerated(t *testing.T, actual, expected map[string][]byte) {
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seen := map[string]bool{}
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for x := range expected {
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seen[x] = true
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}
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for a := range actual {
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assert.Contains(t, seen, a, "Unexpected file generated: %s", a)
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if seen[a] {
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delete(seen, a)
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}
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}
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for s := range seen {
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assert.Fail(t, "No content generated for expected file %s", s)
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}
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}
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