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|
package env
import (
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestGetWithFallback(t *testing.T) {
var1Exist := os.Getenv("TEST_LEGO_VAR_EXIST_1")
var2Exist := os.Getenv("TEST_LEGO_VAR_EXIST_2")
var1Missing := os.Getenv("TEST_LEGO_VAR_MISSING_1")
var2Missing := os.Getenv("TEST_LEGO_VAR_MISSING_2")
defer func() {
_ = os.Setenv("TEST_LEGO_VAR_EXIST_1", var1Exist)
_ = os.Setenv("TEST_LEGO_VAR_EXIST_2", var2Exist)
_ = os.Setenv("TEST_LEGO_VAR_MISSING_1", var1Missing)
_ = os.Setenv("TEST_LEGO_VAR_MISSING_2", var2Missing)
}()
err := os.Setenv("TEST_LEGO_VAR_EXIST_1", "VAR1")
require.NoError(t, err)
err = os.Setenv("TEST_LEGO_VAR_EXIST_2", "VAR2")
require.NoError(t, err)
err = os.Unsetenv("TEST_LEGO_VAR_MISSING_1")
require.NoError(t, err)
err = os.Unsetenv("TEST_LEGO_VAR_MISSING_2")
require.NoError(t, err)
type expected struct {
value map[string]string
error string
}
testCases := []struct {
desc string
groups [][]string
expected expected
}{
{
desc: "no groups",
groups: nil,
expected: expected{
value: map[string]string{},
},
},
{
desc: "empty groups",
groups: [][]string{{}, {}},
expected: expected{
error: "undefined environment variable names",
},
},
{
desc: "missing env var",
groups: [][]string{{"TEST_LEGO_VAR_MISSING_1"}},
expected: expected{
error: "some credentials information are missing: TEST_LEGO_VAR_MISSING_1",
},
},
{
desc: "all env var in a groups are missing",
groups: [][]string{{"TEST_LEGO_VAR_MISSING_1", "TEST_LEGO_VAR_MISSING_2"}},
expected: expected{
error: "some credentials information are missing: TEST_LEGO_VAR_MISSING_1",
},
},
{
desc: "only the first env var have a value",
groups: [][]string{{"TEST_LEGO_VAR_EXIST_1", "TEST_LEGO_VAR_MISSING_1"}},
expected: expected{
value: map[string]string{"TEST_LEGO_VAR_EXIST_1": "VAR1"},
},
},
{
desc: "only the second env var have a value",
groups: [][]string{{"TEST_LEGO_VAR_MISSING_1", "TEST_LEGO_VAR_EXIST_1"}},
expected: expected{
value: map[string]string{"TEST_LEGO_VAR_MISSING_1": "VAR1"},
},
},
{
desc: "all env vars in a groups have a value",
groups: [][]string{{"TEST_LEGO_VAR_EXIST_1", "TEST_LEGO_VAR_EXIST_2"}},
expected: expected{
value: map[string]string{"TEST_LEGO_VAR_EXIST_1": "VAR1"},
},
},
}
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
value, err := GetWithFallback(test.groups...)
if len(test.expected.error) > 0 {
assert.EqualError(t, err, test.expected.error)
} else {
require.NoError(t, err)
assert.Equal(t, test.expected.value, value)
}
})
}
}
func TestGetOrDefaultInt(t *testing.T) {
testCases := []struct {
desc string
envValue string
defaultValue int
expected int
}{
{
desc: "valid value",
envValue: "100",
defaultValue: 2,
expected: 100,
},
{
desc: "invalid content, use default value",
envValue: "abc123",
defaultValue: 2,
expected: 2,
},
{
desc: "valid negative value",
envValue: "-111",
defaultValue: 2,
expected: -111,
},
{
desc: "float: invalid type, use default value",
envValue: "1.11",
defaultValue: 2,
expected: 2,
},
}
const key = "LEGO_ENV_TC"
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
t.Setenv(key, test.envValue)
result := GetOrDefaultInt(key, test.defaultValue)
assert.Equal(t, test.expected, result)
})
}
}
func TestGetOrDefaultSecond(t *testing.T) {
testCases := []struct {
desc string
envValue string
defaultValue time.Duration
expected time.Duration
}{
{
desc: "valid value",
envValue: "100",
defaultValue: 2 * time.Second,
expected: 100 * time.Second,
},
{
desc: "invalid content, use default value",
envValue: "abc123",
defaultValue: 2 * time.Second,
expected: 2 * time.Second,
},
{
desc: "invalid content, negative value",
envValue: "-111",
defaultValue: 2 * time.Second,
expected: 2 * time.Second,
},
{
desc: "float: invalid type, use default value",
envValue: "1.11",
defaultValue: 2 * time.Second,
expected: 2 * time.Second,
},
}
key := "LEGO_ENV_TC"
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
t.Setenv(key, test.envValue)
result := GetOrDefaultSecond(key, test.defaultValue)
assert.Equal(t, test.expected, result)
})
}
}
func TestGetOrDefaultString(t *testing.T) {
testCases := []struct {
desc string
envValue string
defaultValue string
expected string
}{
{
desc: "missing env var",
defaultValue: "foo",
expected: "foo",
},
{
desc: "with env var",
envValue: "bar",
defaultValue: "foo",
expected: "bar",
},
}
key := "LEGO_ENV_TC"
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
t.Setenv(key, test.envValue)
actual := GetOrDefaultString(key, test.defaultValue)
assert.Equal(t, test.expected, actual)
})
}
}
func TestGetOrDefaultBool(t *testing.T) {
testCases := []struct {
desc string
envValue string
defaultValue bool
expected bool
}{
{
desc: "missing env var",
defaultValue: true,
expected: true,
},
{
desc: "with env var",
envValue: "true",
defaultValue: false,
expected: true,
},
{
desc: "invalid value",
envValue: "foo",
defaultValue: false,
expected: false,
},
}
key := "LEGO_ENV_TC"
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
t.Setenv(key, test.envValue)
actual := GetOrDefaultBool(key, test.defaultValue)
assert.Equal(t, test.expected, actual)
})
}
}
func TestGetOrFile_ReadsEnvVars(t *testing.T) {
t.Setenv("TEST_LEGO_ENV_VAR", "lego_env")
value := GetOrFile("TEST_LEGO_ENV_VAR")
assert.Equal(t, "lego_env", value)
}
func TestGetOrFile_ReadsFiles(t *testing.T) {
varEnvFileName := "TEST_LEGO_ENV_VAR_FILE"
varEnvName := "TEST_LEGO_ENV_VAR"
testCases := []struct {
desc string
fileContent []byte
}{
{
desc: "simple",
fileContent: []byte("lego_file"),
},
{
desc: "with an empty last line",
fileContent: []byte("lego_file\n"),
},
}
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
err := os.Unsetenv(varEnvFileName)
require.NoError(t, err)
err = os.Unsetenv(varEnvName)
require.NoError(t, err)
file, err := os.CreateTemp("", "lego")
require.NoError(t, err)
defer os.Remove(file.Name())
err = os.WriteFile(file.Name(), []byte("lego_file\n"), 0o644)
require.NoError(t, err)
t.Setenv(varEnvFileName, file.Name())
value := GetOrFile(varEnvName)
assert.Equal(t, "lego_file", value)
})
}
}
func TestGetOrFile_PrefersEnvVars(t *testing.T) {
varEnvFileName := "TEST_LEGO_ENV_VAR_FILE"
varEnvName := "TEST_LEGO_ENV_VAR"
err := os.Unsetenv(varEnvFileName)
require.NoError(t, err)
err = os.Unsetenv(varEnvName)
require.NoError(t, err)
file, err := os.CreateTemp("", "lego")
require.NoError(t, err)
defer os.Remove(file.Name())
err = os.WriteFile(file.Name(), []byte("lego_file"), 0o644)
require.NoError(t, err)
t.Setenv(varEnvFileName, file.Name())
t.Setenv(varEnvName, "lego_env")
value := GetOrFile(varEnvName)
assert.Equal(t, "lego_env", value)
}
|
