argo-cd/util/lua/custom_actions_test.go
Alexander Matyushentsev 3f32a750a0
chore: use go embed instead of packr (#6262)
Signed-off-by: Alexander Matyushentsev <AMatyushentsev@gmail.com>
2021-05-18 20:46:17 -07:00

113 lines
3.6 KiB
Go

package lua
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
"time"
"github.com/undefinedlabs/go-mpatch"
"github.com/argoproj/gitops-engine/pkg/diff"
"github.com/ghodss/yaml"
"github.com/stretchr/testify/assert"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
appsv1 "github.com/argoproj/argo-cd/v2/pkg/apis/application/v1alpha1"
"github.com/argoproj/argo-cd/v2/util/cli"
)
type testNormalizer struct{}
func (t testNormalizer) Normalize(un *unstructured.Unstructured) error {
return nil
}
type ActionTestStructure struct {
DiscoveryTests []IndividualDiscoveryTest `yaml:"discoveryTests"`
ActionTests []IndividualActionTest `yaml:"actionTests"`
}
type IndividualDiscoveryTest struct {
InputPath string `yaml:"inputPath"`
Result []appsv1.ResourceAction `yaml:"result"`
}
type IndividualActionTest struct {
Action string `yaml:"action"`
InputPath string `yaml:"inputPath"`
ExpectedOutputPath string `yaml:"expectedOutputPath"`
InputStr string `yaml:"input"`
}
func TestLuaResourceActionsScript(t *testing.T) {
err := filepath.Walk(".", func(path string, f os.FileInfo, err error) error {
if !strings.Contains(path, "action_test.yaml") {
return nil
}
assert.NoError(t, err)
dir := filepath.Dir(path)
//TODO: Change to path
yamlBytes, err := ioutil.ReadFile(dir + "/action_test.yaml")
assert.NoError(t, err)
var resourceTest ActionTestStructure
err = yaml.Unmarshal(yamlBytes, &resourceTest)
assert.NoError(t, err)
for i := range resourceTest.DiscoveryTests {
test := resourceTest.DiscoveryTests[i]
testName := fmt.Sprintf("discovery/%s", test.InputPath)
t.Run(testName, func(t *testing.T) {
vm := VM{
UseOpenLibs: true,
}
obj := getObj(filepath.Join(dir, test.InputPath))
discoveryLua, err := vm.GetResourceActionDiscovery(obj)
assert.NoError(t, err)
result, err := vm.ExecuteResourceActionDiscovery(obj, discoveryLua)
assert.NoError(t, err)
for i := range result {
assert.Contains(t, test.Result, result[i])
}
})
}
for i := range resourceTest.ActionTests {
test := resourceTest.ActionTests[i]
testName := fmt.Sprintf("actions/%s/%s", test.Action, test.InputPath)
t.Run(testName, func(t *testing.T) {
vm := VM{
// Uncomment the following line if you need to use lua libraries debugging
// purposes. Otherwise, leave this false to ensure tests reflect the same
// privileges that API server has.
//UseOpenLibs: true,
}
obj := getObj(filepath.Join(dir, test.InputPath))
action, err := vm.GetResourceAction(obj, test.Action)
assert.NoError(t, err)
// freeze time so that lua test has predictable time output (will return 0001-01-01T00:00:00Z)
patch, err := mpatch.PatchMethod(time.Now, func() time.Time { return time.Time{} })
assert.NoError(t, err)
result, err := vm.ExecuteResourceAction(obj, action.ActionLua)
assert.NoError(t, err)
err = patch.Unpatch()
assert.NoError(t, err)
expectedObj := getObj(filepath.Join(dir, test.ExpectedOutputPath))
// Ideally, we would use a assert.Equal to detect the difference, but the Lua VM returns a object with float64 instead of the original int32. As a result, the assert.Equal is never true despite that the change has been applied.
diffResult, err := diff.Diff(expectedObj, result, diff.WithNormalizer(testNormalizer{}))
assert.NoError(t, err)
if diffResult.Modified {
t.Error("Output does not match input:")
err = cli.PrintDiff(test.Action, expectedObj, result)
assert.NoError(t, err)
}
})
}
return nil
})
assert.Nil(t, err)
}