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package dotenv
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func TestDotEnv_Marshal(t *testing.T) {
de := DotEnv{}
testCases := []struct {
name string
cfg map[string]interface{}
expOut []byte
err error
}{
{
name: "Empty config",
cfg: map[string]interface{}{},
expOut: []byte{},
},
{
name: "Simple key-value pair",
cfg: map[string]interface{}{
"key": "value",
},
expOut: []byte("key=\"value\""),
},
{
name: "Multiple key-values",
cfg: map[string]interface{}{
"key_1": "value-1",
"key_2": "value-2",
"key_3": "value-3",
},
expOut: []byte("key_1=\"value-1\"\nkey_2=\"value-2\"\nkey_3=\"value-3\""),
},
{
name: "Mixed data types",
cfg: map[string]interface{}{
"int_key": 12,
"bool_key": true,
"arr_key": []int{1, 2, 3, 4},
"float_key": 10.5,
},
expOut: []byte("arr_key=\"[1 2 3 4]\"\nbool_key=\"true\"\nfloat_key=\"10.5\"\nint_key=12"),
},
{
name: "Nested config",
cfg: map[string]interface{}{
"map_key": map[string]interface{}{
"arr_key": []float64{1.2, 4.3, 5, 6},
"bool_key": false,
"inner_map_key": map[interface{}]interface{}{
0: "zero",
1: 1.0,
},
"int_key": 12,
},
},
expOut: []byte(`map_key="map[arr_key:[1.2 4.3 5 6] bool_key:false inner_map_key:map[0:zero 1:1] int_key:12]"`),
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
out, err := de.Marshal(tc.cfg)
assert.Equal(t, tc.err, err)
assert.Equal(t, string(tc.expOut), string(out))
})
}
}
func TestDotEnv_Unmarshal(t *testing.T) {
de := DotEnv{}
testCases := []struct {
name string
cfg []byte
expOut map[string]interface{}
err error
}{
{
name: "Empty config",
expOut: map[string]interface{}{},
},
{
name: "Simple key-value",
cfg: []byte(`key="value"`),
expOut: map[string]interface{}{
"key": "value",
},
},
{
name: "Multiple key-values",
cfg: []byte("key_1=\"value-1\"\nkey_2=\"value-2\""),
expOut: map[string]interface{}{
"key_1": "value-1",
"key_2": "value-2",
},
},
{
name: "Mixed data types",
cfg: []byte("arr=\"[1 2 3 4]\"\nbool=\"true\"\nfloat=\"12.5\"\nint=\"32\"\n"),
expOut: map[string]interface{}{
"arr": "[1 2 3 4]",
"bool": "true",
"float": "12.5",
"int": "32",
},
},
{
name: "Nested config",
cfg: []byte(`map_key="map[arr_key:[1 4 5 6] bool_key:false inner_map_key:map[0:zero 1:1] int_key:12]"`),
expOut: map[string]interface{}{
"map_key": "map[arr_key:[1 4 5 6] bool_key:false inner_map_key:map[0:zero 1:1] int_key:12]",
},
},
{
name: "Missing value",
cfg: []byte(`key=`),
expOut: map[string]interface{}{
"key": "",
},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
outMap, err := de.Unmarshal(tc.cfg)
assert.Equal(t, tc.err, err)
assert.Equal(t, tc.expOut, outMap)
})
}
}
func TestCompareToEnvProvider(t *testing.T) {
testCases := []struct {
name string
prefix string
delim string
key string
value string
expKey string
expValue string
cb func(key string) string
want *DotEnv
}{
{
name: "Nil cb",
prefix: "TESTVAR_",
delim: ".",
want: &DotEnv{
prefix: "TESTVAR_",
delim: ".",
},
},
{
name: "Simple cb",
prefix: "TESTVAR_",
delim: ".",
key: "TestKey",
value: "TestVal",
expKey: "testkey",
expValue: "TestVal",
cb: func(key string) string {
return strings.ToLower(key)
},
want: &DotEnv{
prefix: "TESTVAR_",
delim: ".",
},
},
{
name: "Empty string nil cb",
prefix: "",
delim: ".",
want: &DotEnv{
prefix: "",
delim: ".",
},
},
{
name: "Cb is given",
prefix: "",
delim: ".",
key: "test_key",
value: "test_val",
expKey: "TEST.KEY",
expValue: "test_val",
cb: func(key string) string {
return strings.Replace(strings.ToUpper(key), "_", ".", -1)
},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
gotProvider := ParserEnv(tc.prefix, tc.delim, tc.cb)
if tc.cb == nil {
assert.Equal(t, tc.prefix, gotProvider.prefix)
assert.Equal(t, tc.delim, gotProvider.delim)
// do not compare cb or reverseCB
}
if tc.cb != nil {
k, v := gotProvider.cb(tc.key, tc.value)
assert.Equal(t, tc.expKey, k)
assert.Equal(t, tc.expValue, v)
}
})
}
}
|
