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feat(usage): make measurement ID and api secret configurable via envs
Signed-off-by: Niladri Halder <niladri.halder26@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| package usage | ||
|
|
||
| import ( | ||
| "encoding/base64" | ||
| "os" | ||
| "reflect" | ||
| "testing" | ||
| "unicode/utf8" | ||
| ) | ||
|
|
||
| func TestApiCreds(t *testing.T) { | ||
| testCases := map[string]struct { | ||
| idEnvValue string | ||
| idSet bool | ||
| secretEnvValue string | ||
| secretSet bool | ||
| expectedId string | ||
| expectedSecret string | ||
| }{ | ||
| "Missing both ENVs": { | ||
| idEnvValue: "", | ||
| idSet: false, | ||
| secretEnvValue: "", | ||
| secretSet: false, | ||
| expectedId: DefaultMeasurementId, | ||
| expectedSecret: DefaultApiSecret, | ||
| }, | ||
| "Missing id ENV": { | ||
| idEnvValue: "", | ||
| idSet: false, | ||
| secretEnvValue: base64.StdEncoding.EncodeToString([]byte("testSecret")), | ||
| secretSet: true, | ||
| expectedId: DefaultMeasurementId, | ||
| expectedSecret: DefaultApiSecret, | ||
| }, | ||
| "Missing secret ENV": { | ||
| idEnvValue: base64.StdEncoding.EncodeToString([]byte("G-testId")), | ||
| idSet: true, | ||
| secretEnvValue: "", | ||
| secretSet: false, | ||
| expectedId: DefaultMeasurementId, | ||
| expectedSecret: DefaultApiSecret, | ||
| }, | ||
| "Empty id ENV": { | ||
| idEnvValue: "", | ||
| idSet: true, | ||
| secretEnvValue: base64.StdEncoding.EncodeToString([]byte("testSecret")), | ||
| secretSet: true, | ||
| expectedId: DefaultMeasurementId, | ||
| expectedSecret: DefaultApiSecret, | ||
| }, | ||
| "Empty secret ENV": { | ||
| idEnvValue: base64.StdEncoding.EncodeToString([]byte("G-testId")), | ||
| idSet: true, | ||
| secretEnvValue: "", | ||
| secretSet: true, | ||
| expectedId: DefaultMeasurementId, | ||
| expectedSecret: DefaultApiSecret, | ||
| }, | ||
| "Invalid base64 value for id ENV": { | ||
| idEnvValue: trimLastChar(base64.StdEncoding.EncodeToString([]byte("G-testId"))), | ||
| idSet: true, | ||
| secretEnvValue: base64.StdEncoding.EncodeToString([]byte("testSecret")), | ||
| secretSet: true, | ||
| expectedId: DefaultMeasurementId, | ||
| expectedSecret: DefaultApiSecret, | ||
| }, | ||
| "Invalid base64 value for secret ENV": { | ||
| idEnvValue: base64.StdEncoding.EncodeToString([]byte("testId")), | ||
| idSet: true, | ||
| secretEnvValue: trimLastChar(base64.StdEncoding.EncodeToString([]byte("testSecret"))), | ||
| secretSet: true, | ||
| expectedId: DefaultMeasurementId, | ||
| expectedSecret: DefaultApiSecret, | ||
| }, | ||
| "Valid ENVs set": { | ||
| idEnvValue: base64.StdEncoding.EncodeToString([]byte("G-testId")), | ||
| idSet: true, | ||
| secretEnvValue: base64.StdEncoding.EncodeToString([]byte("testSecret")), | ||
| secretSet: true, | ||
| expectedId: "G-testId", | ||
| expectedSecret: "testSecret", | ||
| }, | ||
| } | ||
|
|
||
| for k, v := range testCases { | ||
| k, v := k, v | ||
| t.Run(k, func(t *testing.T) { | ||
| if v.idSet { | ||
| if os.Setenv(MeasurementIdEnv, v.idEnvValue) != nil { | ||
| t.Errorf("failed to set env '%s' to '%s' for test case '%s'", | ||
| MeasurementIdEnv, v.idEnvValue, k, | ||
| ) | ||
| } | ||
| } else { | ||
| if os.Unsetenv(MeasurementIdEnv) != nil { | ||
| t.Errorf("failed to unset env '%s' for test case '%s'", MeasurementIdEnv, k) | ||
| } | ||
| } | ||
| if v.secretSet { | ||
| if os.Setenv(ApiSecretEnv, v.secretEnvValue) != nil { | ||
| t.Errorf("failed to set env '%s' to '%s' for test case '%s'", | ||
| ApiSecretEnv, v.secretEnvValue, k, | ||
| ) | ||
| } | ||
| } else { | ||
| if os.Unsetenv(ApiSecretEnv) != nil { | ||
| t.Errorf("failed to unset env '%s' for test case '%s'", ApiSecretEnv, k) | ||
| } | ||
| } | ||
| observedId, observedSecret := apiCreds() | ||
| if !reflect.DeepEqual(observedId, v.expectedId) { | ||
| t.Errorf("apiCreds() id mismatch: expected '%s', observed '%s'", | ||
| v.expectedId, observedId, | ||
| ) | ||
| } | ||
| if !reflect.DeepEqual(observedSecret, v.expectedSecret) { | ||
| t.Errorf("apiCreds() secret mismatch: expected '%s', observed '%s'", | ||
| v.expectedSecret, observedSecret, | ||
| ) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func trimLastChar(s string) string { | ||
| r, size := utf8.DecodeLastRuneInString(s) | ||
| if r == utf8.RuneError && (size == 0 || size == 1) { | ||
| size = 0 | ||
| } | ||
| return s[:len(s)-size] | ||
| } |