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watchtower/internal/flags/flags_test.go

82 lines
2.2 KiB
Go

package flags
import (
"io/ioutil"
"os"
"testing"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestEnvConfig_Defaults(t *testing.T) {
cmd := new(cobra.Command)
SetDefaults()
RegisterDockerFlags(cmd)
err := EnvConfig(cmd)
require.NoError(t, err)
assert.Equal(t, "unix:///var/run/docker.sock", os.Getenv("DOCKER_HOST"))
assert.Equal(t, "", os.Getenv("DOCKER_TLS_VERIFY"))
// Re-enable this test when we've moved to github actions.
// assert.Equal(t, DockerAPIMinVersion, os.Getenv("DOCKER_API_VERSION"))
}
func TestEnvConfig_Custom(t *testing.T) {
cmd := new(cobra.Command)
SetDefaults()
RegisterDockerFlags(cmd)
err := cmd.ParseFlags([]string{"--host", "some-custom-docker-host", "--tlsverify", "--api-version", "1.99"})
require.NoError(t, err)
err = EnvConfig(cmd)
require.NoError(t, err)
assert.Equal(t, "some-custom-docker-host", os.Getenv("DOCKER_HOST"))
assert.Equal(t, "1", os.Getenv("DOCKER_TLS_VERIFY"))
// Re-enable this test when we've moved to github actions.
// assert.Equal(t, "1.99", os.Getenv("DOCKER_API_VERSION"))
}
func TestGetSecretsFromFilesWithString(t *testing.T) {
value := "supersecretstring"
err := os.Setenv("WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD", value)
require.NoError(t, err)
testGetSecretsFromFiles(t, "notification-email-server-password", value)
}
func TestGetSecretsFromFilesWithFile(t *testing.T) {
value := "megasecretstring"
// Create the temporary file which will contain a secret.
file, err := ioutil.TempFile(os.TempDir(), "watchtower-")
require.NoError(t, err)
defer os.Remove(file.Name()) // Make sure to remove the temporary file later.
// Write the secret to the temporary file.
secret := []byte(value)
_, err = file.Write(secret)
require.NoError(t, err)
err = os.Setenv("WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD", file.Name())
require.NoError(t, err)
testGetSecretsFromFiles(t, "notification-email-server-password", value)
}
func testGetSecretsFromFiles(t *testing.T, flagName string, expected string) {
cmd := new(cobra.Command)
SetDefaults()
RegisterNotificationFlags(cmd)
GetSecretsFromFiles(cmd)
value, err := cmd.PersistentFlags().GetString(flagName)
require.NoError(t, err)
assert.Equal(t, expected, value)
}