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integration_test.go
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integration_test.go
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package main
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/terraform-linters/tflint/cmd"
"github.com/terraform-linters/tflint/formatter"
)
func TestMain(m *testing.M) {
log.SetOutput(ioutil.Discard)
os.Exit(m.Run())
}
func TestIntegration(t *testing.T) {
cases := []struct {
Name string
Command string
Env map[string]string
Dir string
}{
{
Name: "basic",
Command: "./tflint --format json",
Dir: "basic",
},
{
Name: "override",
Command: "./tflint --format json",
Dir: "override",
},
{
Name: "variables",
Command: "./tflint --format json --var-file variables.tfvars --var var=var",
Dir: "variables",
},
{
Name: "module",
Command: "./tflint --format json --module --ignore-module ./ignore_module",
Dir: "module",
},
{
Name: "without_module_init",
Command: "./tflint --format json",
Dir: "without_module_init",
},
{
Name: "arguments",
Command: fmt.Sprintf("./tflint --format json %s", filepath.Join("dir", "template.tf")),
Env: map[string]string{
"TF_DATA_DIR": filepath.Join("dir", ".terraform"),
},
Dir: "arguments",
},
{
Name: "plugin",
Command: "./tflint --format json --module",
Dir: "plugin",
},
{
Name: "jsonsyntax",
Command: "./tflint --format json",
Dir: "jsonsyntax",
},
{
Name: "path",
Command: "./tflint --format json --module",
Dir: "path",
},
{
Name: "init from parent",
Command: "./tflint --format json --module root",
Dir: "init-parent",
},
{
Name: "init from cwd",
Command: "./tflint --format json --module",
Dir: "init-cwd/root",
},
}
dir, _ := os.Getwd()
for _, tc := range cases {
testDir := dir + "/integration/" + tc.Dir
defer os.Chdir(dir)
os.Chdir(testDir)
if tc.Env != nil {
for k, v := range tc.Env {
os.Setenv(k, v)
}
}
outStream, errStream := new(bytes.Buffer), new(bytes.Buffer)
cli := cmd.NewCLI(outStream, errStream)
args := strings.Split(tc.Command, " ")
cli.Run(args)
var b []byte
var err error
if runtime.GOOS == "windows" && IsWindowsResultExist() {
b, err = ioutil.ReadFile(filepath.Join(testDir, "result_windows.json"))
} else {
b, err = ioutil.ReadFile(filepath.Join(testDir, "result.json"))
}
if err != nil {
t.Fatal(err)
}
var expected *formatter.JSONOutput
if err := json.Unmarshal(b, &expected); err != nil {
t.Fatal(err)
}
var got *formatter.JSONOutput
if err := json.Unmarshal(outStream.Bytes(), &got); err != nil {
t.Fatal(err)
}
if !cmp.Equal(got, expected) {
t.Fatalf("Failed `%s` test: diff=%s", tc.Name, cmp.Diff(expected, got))
}
if tc.Env != nil {
for k := range tc.Env {
os.Unsetenv(k)
}
}
}
}
func IsWindowsResultExist() bool {
_, err := os.Stat("result_windows.json")
return !os.IsNotExist(err)
}