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|
package arn
import (
"reflect"
"strings"
"testing"
"github.com/aws/aws-sdk-go-v2/aws/arn"
)
func TestParseResource(t *testing.T) {
cases := map[string]struct {
Input string
MappedResources map[string]func(arn.ARN, []string) (Resource, error)
Expect Resource
ExpectErr string
}{
"Empty ARN": {
Input: "",
ExpectErr: "arn: invalid prefix",
},
"No Partition": {
Input: "arn::sqs:us-west-2:012345678901:accesspoint",
ExpectErr: "partition not set",
},
"Not S3 ARN": {
Input: "arn:aws:sqs:us-west-2:012345678901:accesspoint",
ExpectErr: "service is not supported",
},
"No Resource": {
Input: "arn:aws:s3:us-west-2:012345678901:",
ExpectErr: "resource not set",
},
"Unknown Resource Type": {
Input: "arn:aws:s3:us-west-2:012345678901:myresource",
ExpectErr: "unknown resource type",
},
"Unknown BucketARN Resource Type": {
Input: "arn:aws:s3:us-west-2:012345678901:bucket_name:mybucket",
ExpectErr: "unknown resource type",
},
"Unknown Resource Type with Resource and Sub-Resource": {
Input: "arn:aws:s3:us-west-2:012345678901:somethingnew:myresource/subresource",
ExpectErr: "unknown resource type",
},
"Access Point with sub resource": {
Input: "arn:aws:s3:us-west-2:012345678901:accesspoint:myresource/subresource",
MappedResources: map[string]func(arn.ARN, []string) (Resource, error){
"accesspoint": func(a arn.ARN, parts []string) (Resource, error) {
return ParseAccessPointResource(a, parts)
},
},
ExpectErr: "resource not supported",
},
"AccessPoint Resource Type": {
Input: "arn:aws:s3:us-west-2:012345678901:accesspoint:myendpoint",
MappedResources: map[string]func(arn.ARN, []string) (Resource, error){
"accesspoint": func(a arn.ARN, parts []string) (Resource, error) {
return ParseAccessPointResource(a, parts)
},
},
Expect: AccessPointARN{
ARN: arn.ARN{
Partition: "aws",
Service: "s3",
Region: "us-west-2",
AccountID: "012345678901",
Resource: "accesspoint:myendpoint",
},
AccessPointName: "myendpoint",
},
},
"AccessPoint Resource Type With Path Syntax": {
Input: "arn:aws:s3:us-west-2:012345678901:accesspoint/myendpoint",
MappedResources: map[string]func(arn.ARN, []string) (Resource, error){
"accesspoint": func(a arn.ARN, parts []string) (Resource, error) {
return ParseAccessPointResource(a, parts)
},
},
Expect: AccessPointARN{
ARN: arn.ARN{
Partition: "aws",
Service: "s3",
Region: "us-west-2",
AccountID: "012345678901",
Resource: "accesspoint/myendpoint",
},
AccessPointName: "myendpoint",
},
},
}
for name, c := range cases {
t.Run(name, func(t *testing.T) {
var parsed Resource
arn, err := arn.Parse(c.Input)
if err == nil {
parsed, err = ParseResource(arn, mappedResourceParser(c.MappedResources))
}
if len(c.ExpectErr) == 0 && err != nil {
t.Fatalf("expect no error but got %v", err)
} else if len(c.ExpectErr) != 0 && err == nil {
t.Fatalf("expect error but got nil")
} else if len(c.ExpectErr) != 0 && err != nil {
if e, a := c.ExpectErr, err.Error(); !strings.Contains(a, e) {
t.Fatalf("expect error %q, got %q", e, a)
}
return
}
if e, a := c.Expect, parsed; !reflect.DeepEqual(e, a) {
t.Errorf("Expect %v, got %v", e, a)
}
})
}
}
func mappedResourceParser(kinds map[string]func(arn.ARN, []string) (Resource, error)) ResourceParser {
return func(a arn.ARN) (Resource, error) {
parts := SplitResource(a.Resource)
fn, ok := kinds[parts[0]]
if !ok {
return nil, InvalidARNError{ARN: a, Reason: "unknown resource type"}
}
return fn(a, parts[1:])
}
}
func TestSplitResource(t *testing.T) {
cases := []struct {
Input string
Expect []string
}{
{
Input: "accesspoint:myendpoint",
Expect: []string{"accesspoint", "myendpoint"},
},
{
Input: "accesspoint/myendpoint",
Expect: []string{"accesspoint", "myendpoint"},
},
{
Input: "accesspoint",
Expect: []string{"accesspoint"},
},
{
Input: "accesspoint:",
Expect: []string{"accesspoint", ""},
},
{
Input: "accesspoint: ",
Expect: []string{"accesspoint", " "},
},
{
Input: "accesspoint:endpoint/object/key",
Expect: []string{"accesspoint", "endpoint", "object", "key"},
},
}
for _, c := range cases {
t.Run(c.Input, func(t *testing.T) {
parts := SplitResource(c.Input)
if e, a := c.Expect, parts; !reflect.DeepEqual(e, a) {
t.Errorf("expect %v, got %v", e, a)
}
})
}
}
|
