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| -rw-r--r-- | internal/testhelper/testhelper.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/internal/testhelper/testhelper.go b/internal/testhelper/testhelper.go index dacf805b3..c5af5b254 100644 --- a/internal/testhelper/testhelper.go +++ b/internal/testhelper/testhelper.go @@ -284,6 +284,21 @@ func ModifyEnvironment(t testing.TB, key string, value string) { } } +// Unsetenv unsets an environment variable. The variable will be restored after the test has +// finished. +func Unsetenv(t testing.TB, key string) { + t.Helper() + + // We're first using `t.Setenv()` here due to two reasons: first, it will automitcally + // handle restoring the environment variable for us after the test has finished. And second, + // it performs a check whether we're running with `t.Parallel()`. + t.Setenv(key, "") + + // And now we can unset the environment variable given that we know we're not running in a + // parallel test and where the cleanup function has been installed. + require.NoError(t, os.Unsetenv(key)) +} + // GenerateCerts creates a certificate that can be used to establish TLS protected TCP connection. // It returns paths to the file with the certificate and its private key. func GenerateCerts(t *testing.T) (string, string) { |