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meta_test.go
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package command
import (
"flag"
"io/ioutil"
"os"
"path/filepath"
"reflect"
"testing"
"github.com/hashicorp/terraform/terraform"
)
func TestMetaColorize(t *testing.T) {
var m *Meta
var args, args2 []string
// Test basic, color
m = new(Meta)
m.Color = true
args = []string{"foo", "bar"}
args2 = []string{"foo", "bar"}
args = m.process(args, false)
if !reflect.DeepEqual(args, args2) {
t.Fatalf("bad: %#v", args)
}
if m.Colorize().Disable {
t.Fatal("should not be disabled")
}
// Test basic, no change
m = new(Meta)
args = []string{"foo", "bar"}
args2 = []string{"foo", "bar"}
args = m.process(args, false)
if !reflect.DeepEqual(args, args2) {
t.Fatalf("bad: %#v", args)
}
if !m.Colorize().Disable {
t.Fatal("should be disabled")
}
// Test disable #1
m = new(Meta)
m.Color = true
args = []string{"foo", "-no-color", "bar"}
args2 = []string{"foo", "bar"}
args = m.process(args, false)
if !reflect.DeepEqual(args, args2) {
t.Fatalf("bad: %#v", args)
}
if !m.Colorize().Disable {
t.Fatal("should be disabled")
}
}
func TestMetaInputMode(t *testing.T) {
test = false
defer func() { test = true }()
m := new(Meta)
args := []string{}
fs := m.flagSet("foo")
if err := fs.Parse(args); err != nil {
t.Fatalf("err: %s", err)
}
if m.InputMode() != terraform.InputModeStd|terraform.InputModeVarUnset {
t.Fatalf("bad: %#v", m.InputMode())
}
}
func TestMetaInputMode_envVar(t *testing.T) {
test = false
defer func() { test = true }()
old := os.Getenv(InputModeEnvVar)
defer os.Setenv(InputModeEnvVar, old)
m := new(Meta)
args := []string{}
fs := m.flagSet("foo")
if err := fs.Parse(args); err != nil {
t.Fatalf("err: %s", err)
}
off := terraform.InputMode(0)
on := terraform.InputModeStd | terraform.InputModeVarUnset
cases := []struct {
EnvVar string
Expected terraform.InputMode
}{
{"false", off},
{"0", off},
{"true", on},
{"1", on},
}
for _, tc := range cases {
os.Setenv(InputModeEnvVar, tc.EnvVar)
if m.InputMode() != tc.Expected {
t.Fatalf("expected InputMode: %#v, got: %#v", tc.Expected, m.InputMode())
}
}
}
func TestMetaInputMode_disable(t *testing.T) {
test = false
defer func() { test = true }()
m := new(Meta)
args := []string{"-input=false"}
fs := m.flagSet("foo")
if err := fs.Parse(args); err != nil {
t.Fatalf("err: %s", err)
}
if m.InputMode() > 0 {
t.Fatalf("bad: %#v", m.InputMode())
}
}
func TestMetaInputMode_defaultVars(t *testing.T) {
test = false
defer func() { test = true }()
// Create a temporary directory for our cwd
d := tempDir(t)
if err := os.MkdirAll(d, 0755); err != nil {
t.Fatalf("err: %s", err)
}
cwd, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
if err := os.Chdir(d); err != nil {
t.Fatalf("err: %s", err)
}
defer os.Chdir(cwd)
// Create the default vars file
err = ioutil.WriteFile(
filepath.Join(d, DefaultVarsFilename),
[]byte(""),
0644)
if err != nil {
t.Fatalf("err: %s", err)
}
m := new(Meta)
args := []string{}
args = m.process(args, true)
fs := m.flagSet("foo")
if err := fs.Parse(args); err != nil {
t.Fatalf("err: %s", err)
}
if m.InputMode()&terraform.InputModeVar == 0 {
t.Fatalf("bad: %#v", m.InputMode())
}
}
func TestMetaInputMode_vars(t *testing.T) {
test = false
defer func() { test = true }()
m := new(Meta)
args := []string{"-var", "foo=bar"}
fs := m.flagSet("foo")
if err := fs.Parse(args); err != nil {
t.Fatalf("err: %s", err)
}
if m.InputMode()&terraform.InputModeVar != 0 {
t.Fatalf("bad: %#v", m.InputMode())
}
}
func TestMeta_initStatePaths(t *testing.T) {
m := new(Meta)
m.initStatePaths()
if m.statePath != DefaultStateFilename {
t.Fatalf("bad: %#v", m)
}
if m.stateOutPath != DefaultStateFilename {
t.Fatalf("bad: %#v", m)
}
if m.backupPath != DefaultStateFilename+DefaultBackupExtension {
t.Fatalf("bad: %#v", m)
}
m = new(Meta)
m.statePath = "foo"
m.initStatePaths()
if m.stateOutPath != "foo" {
t.Fatalf("bad: %#v", m)
}
if m.backupPath != "foo"+DefaultBackupExtension {
t.Fatalf("bad: %#v", m)
}
m = new(Meta)
m.stateOutPath = "foo"
m.initStatePaths()
if m.statePath != DefaultStateFilename {
t.Fatalf("bad: %#v", m)
}
if m.backupPath != "foo"+DefaultBackupExtension {
t.Fatalf("bad: %#v", m)
}
}
func TestMeta_addModuleDepthFlag(t *testing.T) {
old := os.Getenv(ModuleDepthEnvVar)
defer os.Setenv(ModuleDepthEnvVar, old)
cases := map[string]struct {
EnvVar string
Args []string
Expected int
}{
"env var sets value when no flag present": {
EnvVar: "4",
Args: []string{},
Expected: 4,
},
"flag overrides envvar": {
EnvVar: "4",
Args: []string{"-module-depth=-1"},
Expected: -1,
},
"negative envvar works": {
EnvVar: "-1",
Args: []string{},
Expected: -1,
},
"invalid envvar is ignored": {
EnvVar: "-#",
Args: []string{},
Expected: ModuleDepthDefault,
},
"empty envvar is okay too": {
EnvVar: "",
Args: []string{},
Expected: ModuleDepthDefault,
},
}
for tn, tc := range cases {
m := new(Meta)
var moduleDepth int
flags := flag.NewFlagSet("test", flag.ContinueOnError)
os.Setenv(ModuleDepthEnvVar, tc.EnvVar)
m.addModuleDepthFlag(flags, &moduleDepth)
err := flags.Parse(tc.Args)
if err != nil {
t.Fatalf("%s: err: %#v", tn, err)
}
if moduleDepth != tc.Expected {
t.Fatalf("%s: expected: %#v, got: %#v", tn, tc.Expected, moduleDepth)
}
}
}