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|
package dotenv
import (
"testing"
"github.com/compose-spec/compose-go/v2/template"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var envMap = map[string]string{
// UNSET_VAR: <Cannot be here :D>
"EMPTY_VAR": "",
"TEST_VAR": "Test Value",
}
var notFoundLookup = func(s string) (string, bool) {
return "", false
}
func TestExpandIfEmptyOrUnset(t *testing.T) {
templateResults := []struct {
name string
input string
result string
}{
{
"Expand if empty or unset: UNSET_VAR",
"RESULT=${UNSET_VAR:-Default Value}",
"RESULT=Default Value",
},
{
"Expand if empty or unset: EMPTY_VAR",
"RESULT=${EMPTY_VAR:-Default Value}",
"RESULT=Default Value",
},
{
"Expand if empty or unset: TEST_VAR",
"RESULT=${TEST_VAR:-Default Value}",
"RESULT=Test Value",
},
}
for _, expected := range templateResults {
t.Run(expected.name, func(t *testing.T) {
result, err := expandVariables(expected.input, envMap, notFoundLookup)
require.NoError(t, err)
assert.Equal(t, result, expected.result)
})
}
}
func TestExpandIfUnset(t *testing.T) {
templateResults := []struct {
name string
input string
result string
}{
{
"Expand if unset: UNSET_VAR",
"RESULT=${UNSET_VAR-Default Value}",
"RESULT=Default Value",
},
{
"Expand if unset: EMPTY_VAR",
"RESULT=${EMPTY_VAR-Default Value}",
"RESULT=",
},
{
"Expand if unset: TEST_VAR",
"RESULT=${TEST_VAR-Default Value}",
"RESULT=Test Value",
},
}
for _, expected := range templateResults {
t.Run(expected.name, func(t *testing.T) {
result, err := expandVariables(expected.input, envMap, notFoundLookup)
require.NoError(t, err)
assert.Equal(t, result, expected.result)
})
}
}
func TestErrorIfEmptyOrUnset(t *testing.T) {
templateResults := []struct {
name string
input string
result string
err error
}{
{
"Error empty or unset: UNSET_VAR",
"RESULT=${UNSET_VAR:?Test error}",
"RESULT=${UNSET_VAR:?Test error}",
&template.MissingRequiredError{Variable: "UNSET_VAR", Reason: "Test error"},
},
{
"Error empty or unset: EMPTY_VAR",
"RESULT=${EMPTY_VAR:?Test error}",
"RESULT=${EMPTY_VAR:?Test error}",
&template.MissingRequiredError{Variable: "EMPTY_VAR", Reason: "Test error"},
},
{
"Error empty or unset: TEST_VAR",
"RESULT=${TEST_VAR:?Default Value}",
"RESULT=Test Value",
nil,
},
}
for _, expected := range templateResults {
t.Run(expected.name, func(t *testing.T) {
result, err := expandVariables(expected.input, envMap, notFoundLookup)
assert.Equal(t, expected.err, err)
assert.Equal(t, expected.result, result)
})
}
}
func TestErrorIfUnset(t *testing.T) {
templateResults := []struct {
name string
input string
result string
err error
}{
{
"Error on unset: UNSET_VAR",
"RESULT=${UNSET_VAR?Test error}",
"RESULT=${UNSET_VAR?Test error}",
&template.MissingRequiredError{Variable: "UNSET_VAR", Reason: "Test error"},
},
{
"Error on unset: EMPTY_VAR",
"RESULT=${EMPTY_VAR?Test error}",
"RESULT=",
nil,
},
{
"Error on unset: TEST_VAR",
"RESULT=${TEST_VAR?Default Value}",
"RESULT=Test Value",
nil,
},
}
for _, expected := range templateResults {
t.Run(expected.name, func(t *testing.T) {
result, err := expandVariables(expected.input, envMap, notFoundLookup)
assert.Equal(t, expected.err, err)
assert.Equal(t, expected.result, result)
})
}
}
|
