forked from TrueCloudLab/lego
142 lines
3.2 KiB
Go
142 lines
3.2 KiB
Go
package tester
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
)
|
|
|
|
// EnvTest Environment variables manager for tests.
|
|
type EnvTest struct {
|
|
keys []string
|
|
values map[string]string
|
|
|
|
liveTestHook func() bool
|
|
liveTestExtraHook func() bool
|
|
|
|
domain string
|
|
domainKey string
|
|
}
|
|
|
|
// NewEnvTest Creates an EnvTest.
|
|
func NewEnvTest(keys ...string) *EnvTest {
|
|
values := make(map[string]string)
|
|
for _, key := range keys {
|
|
value := os.Getenv(key)
|
|
if value != "" {
|
|
values[key] = value
|
|
}
|
|
}
|
|
|
|
return &EnvTest{
|
|
keys: keys,
|
|
values: values,
|
|
}
|
|
}
|
|
|
|
// WithDomain Defines the name of the environment variable used to define the domain related to the DNS request.
|
|
// If the domain is defined, it was considered mandatory to define a test as a "live" test.
|
|
func (e *EnvTest) WithDomain(key string) *EnvTest {
|
|
e.domainKey = key
|
|
e.domain = os.Getenv(key)
|
|
return e
|
|
}
|
|
|
|
// WithLiveTestRequirements Defines the environment variables required to define a test as a "live" test.
|
|
// Replaces the default behavior (all keys are required).
|
|
func (e *EnvTest) WithLiveTestRequirements(keys ...string) *EnvTest {
|
|
var countValuedVars int
|
|
for _, key := range keys {
|
|
if _, ok := e.values[key]; ok {
|
|
countValuedVars++
|
|
}
|
|
}
|
|
|
|
live := countValuedVars != 0 && len(keys) == countValuedVars
|
|
|
|
e.liveTestHook = func() bool {
|
|
return live
|
|
}
|
|
|
|
return e
|
|
}
|
|
|
|
// WithLiveTestExtra Allows to define an additional condition to flag a test as "live" test.
|
|
// This does not replace the default behavior.
|
|
func (e *EnvTest) WithLiveTestExtra(extra func() bool) *EnvTest {
|
|
e.liveTestExtraHook = extra
|
|
return e
|
|
}
|
|
|
|
// GetDomain Gets the domain value associated with the DNS challenge (linked to WithDomain method).
|
|
func (e *EnvTest) GetDomain() string {
|
|
return e.domain
|
|
}
|
|
|
|
// IsLiveTest Checks whether environment variables allow running a "live" test.
|
|
func (e *EnvTest) IsLiveTest() bool {
|
|
liveTest := e.liveTestExtra()
|
|
|
|
if e.liveTestHook != nil {
|
|
return liveTest && e.liveTestHook()
|
|
}
|
|
|
|
liveTest = liveTest && len(e.values) == len(e.keys)
|
|
|
|
if liveTest && len(e.domainKey) > 0 && len(e.domain) == 0 {
|
|
return false
|
|
}
|
|
|
|
return liveTest
|
|
}
|
|
|
|
// RestoreEnv Restores the environment variables to the initial state.
|
|
func (e *EnvTest) RestoreEnv() {
|
|
for key, value := range e.values {
|
|
os.Setenv(key, value)
|
|
}
|
|
}
|
|
|
|
// ClearEnv Deletes all environment variables related to the test.
|
|
func (e *EnvTest) ClearEnv() {
|
|
for _, key := range e.keys {
|
|
os.Unsetenv(key)
|
|
}
|
|
}
|
|
|
|
// GetValue Gets the stored value of an environment variable.
|
|
func (e *EnvTest) GetValue(key string) string {
|
|
return e.values[key]
|
|
}
|
|
|
|
func (e *EnvTest) liveTestExtra() bool {
|
|
if e.liveTestExtraHook == nil {
|
|
return true
|
|
}
|
|
|
|
return e.liveTestExtraHook()
|
|
}
|
|
|
|
// Apply Sets/Unsets environment variables.
|
|
// Not related to the main environment variables.
|
|
func (e *EnvTest) Apply(envVars map[string]string) {
|
|
for key, value := range envVars {
|
|
if e.isManagedKey(key) {
|
|
if len(value) == 0 {
|
|
os.Unsetenv(key)
|
|
} else {
|
|
os.Setenv(key, value)
|
|
}
|
|
} else {
|
|
panic(fmt.Sprintf("Unauthorized action, the env var %s is not managed.", key))
|
|
}
|
|
}
|
|
}
|
|
|
|
func (e *EnvTest) isManagedKey(varName string) bool {
|
|
for _, key := range e.keys {
|
|
if key == varName {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|