add tests to ensure function even after switching docker version

container/trust_test.go

@@ -0,0 +1,49 @@
+package container
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_ShouldWork(t *testing.T) {
+	assert.True(t, true)
+}
+
+func TestEncodedEnvAuth_ShouldReturnAnErrorIfRepoEnvsAreUnset(t *testing.T) {
+	os.Unsetenv("REPO_USER")
+	os.Unsetenv("REPO_PASS")
+	_, err := EncodedEnvAuth("")
+	assert.Error(t, err)
+}
+func TestEncodedEnvAuth_ShouldReturnAuthHashIfRepoEnvsAreSet(t *testing.T) {
+	expectedHash := "eyJ1c2VybmFtZSI6ImNvbnRhaW5ycnItdXNlciIsInBhc3N3b3JkIjoiY29udGFpbnJyci1wYXNzIn0="
+
+	os.Setenv("REPO_USER", "containrrr-user")
+	os.Setenv("REPO_PASS", "containrrr-pass")
+	config, _ := EncodedEnvAuth("")
+
+	assert.Equal(t, config, expectedHash)
+}
+
+func TestEncodedConfigAuth_ShouldReturnAnErrorIfFileIsNotPresent(t *testing.T) {
+	os.Setenv("DOCKER_CONFIG", "/dev/null/should-fail")
+	_, err := EncodedConfigAuth("")
+	assert.Error(t, err)
+}
+
+func TestParseServerAddress_ShouldReturnErrorIfPassedEmptyString(t *testing.T) {
+	_, err := ParseServerAddress("")
+	assert.Error(t, err)
+}
+
+func TestParseServerAddress_ShouldReturnTheOrganizationPartIfPassedAnImageNameMissingServerName(t *testing.T) {
+	val, _ := ParseServerAddress("containrrr/config")
+	assert.Equal(t, val, "containrrr")
+}
+
+func TestParseServerAddress_ShouldReturnTheRepoNameIfPassedAnImageNameWithoutServerName(t *testing.T) {
+	val, _ := ParseServerAddress("github.com/containrrrr/config")
+	assert.Equal(t, val, "github.com")
+}