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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package tfconfig
import (
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/google/go-cmp/cmp"
)
func TestLoadModule(t *testing.T) {
fixturesDir := "testdata"
testDirs, err := ioutil.ReadDir(fixturesDir)
if err != nil {
t.Fatal(err)
}
for _, info := range testDirs {
if !info.IsDir() {
continue
}
t.Run(info.Name(), func(t *testing.T) {
name := info.Name()
path := filepath.Join(fixturesDir, name)
wantSrc, err := ioutil.ReadFile(filepath.Join(path, name+".out.json"))
if err != nil {
t.Fatalf("failed to read result file: %s", err)
}
var want map[string]interface{}
err = json.Unmarshal(wantSrc, &want)
if err != nil {
t.Fatalf("failed to parse result file: %s", err)
}
gotObj, _ := LoadModule(path)
if gotObj == nil {
t.Fatalf("result object is nil; want a real object")
}
gotSrc, err := json.Marshal(gotObj)
if err != nil {
t.Fatalf("result is not JSON-able: %s", err)
}
var got map[string]interface{}
err = json.Unmarshal(gotSrc, &got)
if err != nil {
t.Fatalf("failed to parse the actual result (!?): %s", err)
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
}
}
func TestLoadModuleFromFilesystem(t *testing.T) {
fixturesDir := "testdata"
testDirs, err := ioutil.ReadDir(fixturesDir)
if err != nil {
t.Fatal(err)
}
for _, info := range testDirs {
if !info.IsDir() {
continue
}
t.Run(info.Name(), func(t *testing.T) {
name := info.Name()
path := filepath.Join(fixturesDir, name)
fs := os.DirFS(".")
wantSrc, err := ioutil.ReadFile(filepath.Join(path, name+".out.json"))
if err != nil {
t.Fatalf("failed to read result file: %s", err)
}
var want map[string]interface{}
err = json.Unmarshal(wantSrc, &want)
if err != nil {
t.Fatalf("failed to parse result file: %s", err)
}
gotObj, _ := LoadModuleFromFilesystem(WrapFS(fs), path)
if gotObj == nil {
t.Fatalf("result object is nil; want a real object")
}
gotSrc, err := json.Marshal(gotObj)
if err != nil {
t.Fatalf("result is not JSON-able: %s", err)
}
var got map[string]interface{}
err = json.Unmarshal(gotSrc, &got)
if err != nil {
t.Fatalf("failed to parse the actual result (!?): %s", err)
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
}
}
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