Files
gluetun/internal/configuration/sources/env/system_test.go
2022-08-26 15:40:35 +00:00

89 lines
2.2 KiB
Go

package env
import (
"testing"
"github.com/stretchr/testify/assert"
)
func Test_Reader_readID(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
keyPrefix string
keyValue string
retroKeyPrefix string
retroValue string
id *uint32
errWrapped error
errMessage string
}{
"empty string": {
keyPrefix: "ID",
retroKeyPrefix: "RETRO_ID",
},
"invalid string": {
keyPrefix: "ID",
keyValue: "invalid",
retroKeyPrefix: "RETRO_ID",
errWrapped: ErrSystemIDNotValid,
errMessage: `environment variable IDTest_Reader_readID/invalid_string: ` +
`system ID is not valid: ` +
`strconv.ParseUint: parsing "invalid": invalid syntax`,
},
"negative number": {
keyPrefix: "ID",
keyValue: "-1",
retroKeyPrefix: "RETRO_ID",
errWrapped: ErrSystemIDNotValid,
errMessage: `environment variable IDTest_Reader_readID/negative_number: ` +
`system ID is not valid: ` +
`strconv.ParseUint: parsing "-1": invalid syntax`,
},
"id 1000": {
keyPrefix: "ID",
keyValue: "1000",
retroKeyPrefix: "RETRO_ID",
id: uint32Ptr(1000),
},
"max id": {
keyPrefix: "ID",
keyValue: "4294967295",
retroKeyPrefix: "RETRO_ID",
id: uint32Ptr(4294967295),
},
"above max id": {
keyPrefix: "ID",
keyValue: "4294967296",
retroKeyPrefix: "RETRO_ID",
errWrapped: ErrSystemIDNotValid,
errMessage: `environment variable IDTest_Reader_readID/above_max_id: ` +
`system ID is not valid: 4294967296: must be between 0 and 4294967295`,
},
}
for name, testCase := range testCases {
testCase := testCase
t.Run(name, func(t *testing.T) {
t.Parallel()
suffix := t.Name()
key := testCase.keyPrefix + suffix
retroKey := testCase.retroKeyPrefix + suffix
setTestEnv(t, key, testCase.keyValue)
setTestEnv(t, retroKey, testCase.retroValue)
source := &Source{}
id, err := source.readID(key, retroKey)
assert.ErrorIs(t, err, testCase.errWrapped)
if err != nil {
assert.EqualError(t, err, testCase.errMessage)
}
assert.Equal(t, testCase.id, id)
})
}
}