terraform/helper/variables/flag_test.go

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package variables
import (
"flag"
"fmt"
"reflect"
"testing"
"github.com/davecgh/go-spew/spew"
)
func TestFlag_impl(t *testing.T) {
var _ flag.Value = new(Flag)
}
func TestFlag(t *testing.T) {
cases := []struct {
Input interface{}
Output map[string]interface{}
Error bool
}{
{
"=value",
nil,
true,
},
{
" =value",
nil,
true,
},
{
"key=value",
map[string]interface{}{"key": "value"},
false,
},
{
"key=",
map[string]interface{}{"key": ""},
false,
},
{
"key=foo=bar",
map[string]interface{}{"key": "foo=bar"},
false,
},
{
"key=false",
map[string]interface{}{"key": "false"},
false,
},
{
"key =value",
map[string]interface{}{"key": "value"},
false,
},
{
"key = value",
map[string]interface{}{"key": " value"},
false,
},
{
`key = "value"`,
map[string]interface{}{"key": "value"},
false,
},
{
"map.key=foo",
map[string]interface{}{"map.key": "foo"},
false,
},
{
"key",
nil,
true,
},
{
`key=["hello", "world"]`,
map[string]interface{}{"key": []interface{}{"hello", "world"}},
false,
},
{
`key={"hello" = "world", "foo" = "bar"}`,
map[string]interface{}{
"key": map[string]interface{}{
"hello": "world",
"foo": "bar",
},
},
false,
},
{
`key={"hello" = "world", "foo" = "bar"}\nkey2="invalid"`,
nil,
true,
},
{
"key=/path",
map[string]interface{}{"key": "/path"},
false,
},
{
"key=1234.dkr.ecr.us-east-1.amazonaws.com/proj:abcdef",
map[string]interface{}{"key": "1234.dkr.ecr.us-east-1.amazonaws.com/proj:abcdef"},
false,
},
// simple values that can parse as numbers should remain strings
{
"key=1",
map[string]interface{}{
"key": "1",
},
false,
},
{
"key=1.0",
map[string]interface{}{
"key": "1.0",
},
false,
},
{
"key=0x10",
map[string]interface{}{
"key": "0x10",
},
false,
},
// Test setting multiple times
{
[]string{
"foo=bar",
"bar=baz",
},
map[string]interface{}{
"foo": "bar",
"bar": "baz",
},
false,
},
// Test map merging
{
[]string{
`foo={ foo = "bar" }`,
`foo={ bar = "baz" }`,
},
map[string]interface{}{
"foo": map[string]interface{}{
"foo": "bar",
"bar": "baz",
},
},
false,
},
}
for i, tc := range cases {
t.Run(fmt.Sprintf("%d-%s", i, tc.Input), func(t *testing.T) {
var input []string
switch v := tc.Input.(type) {
case string:
input = []string{v}
case []string:
input = v
default:
t.Fatalf("bad input type: %T", tc.Input)
}
f := new(Flag)
for i, single := range input {
err := f.Set(single)
// Only check for expected errors on the final input
expected := tc.Error && i == len(input)-1
if err != nil != expected {
t.Fatalf("bad error. Input: %#v\n\nError: %s", single, err)
}
}
actual := map[string]interface{}(*f)
if !reflect.DeepEqual(actual, tc.Output) {
t.Fatalf("bad:\nexpected: %s\n\n got: %s\n", spew.Sdump(tc.Output), spew.Sdump(actual))
}
})
}
}