| 1 | package awsinv |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "testing" |
| 7 | |
| 8 | "github.com/aws/aws-sdk-go-v2/aws" |
| 9 | awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware" |
| 10 | "github.com/aws/aws-sdk-go-v2/service/ec2" |
| 11 | "github.com/aws/aws-sdk-go-v2/service/ec2/types" |
| 12 | "github.com/aws/smithy-go/middleware" |
| 13 | ) |
| 14 | |
| 15 | type exactEC2 struct { |
| 16 | out *ec2.DescribeInstancesOutput |
| 17 | err error |
| 18 | in *ec2.DescribeInstancesInput |
| 19 | region string |
| 20 | } |
| 21 | |
| 22 | func (f *exactEC2) DescribeInstances(_ context.Context, in *ec2.DescribeInstancesInput, options ...func(*ec2.Options)) (*ec2.DescribeInstancesOutput, error) { |
| 23 | f.in = in |
| 24 | var opts ec2.Options |
| 25 | for _, option := range options { |
| 26 | option(&opts) |
| 27 | } |
| 28 | f.region = opts.Region |
| 29 | return f.out, f.err |
| 30 | } |
| 31 | |
| 32 | func exactOutput(owner, id string, state types.InstanceStateName) *ec2.DescribeInstancesOutput { |
| 33 | out := &ec2.DescribeInstancesOutput{Reservations: []types.Reservation{{ |
| 34 | OwnerId: aws.String(owner), |
| 35 | Instances: []types.Instance{{InstanceId: aws.String(id), State: &types.InstanceState{Name: state}}}, |
| 36 | }}} |
| 37 | awsmiddleware.SetRequestIDMetadata(&out.ResultMetadata, "aws-request-123") |
| 38 | return out |
| 39 | } |
| 40 | |
| 41 | func TestVerifyExactStoppedInstanceAcceptsOnlyStoppedOrTerminated(t *testing.T) { |
| 42 | for _, state := range []types.InstanceStateName{types.InstanceStateNameStopped, types.InstanceStateNameTerminated} { |
| 43 | t.Run(string(state), func(t *testing.T) { |
| 44 | api := &exactEC2{out: exactOutput("123456789012", "i-123", state)} |
| 45 | got, err := VerifyExactStoppedInstance(t.Context(), api, "123456789012", "eu-west-1", "i-123") |
| 46 | if err != nil { |
| 47 | t.Fatal(err) |
| 48 | } |
| 49 | if got.Account != "123456789012" || got.Region != "eu-west-1" || got.InstanceID != "i-123" || got.State != string(state) || got.RequestID != "aws-request-123" { |
| 50 | t.Fatalf("observation = %+v", got) |
| 51 | } |
| 52 | if len(api.in.InstanceIds) != 1 || api.in.InstanceIds[0] != "i-123" { |
| 53 | t.Fatalf("DescribeInstances input = %+v", api.in) |
| 54 | } |
| 55 | if api.region != "eu-west-1" { |
| 56 | t.Fatalf("DescribeInstances region = %q", api.region) |
| 57 | } |
| 58 | }) |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | func TestVerifyExactStoppedInstanceRefusesEveryIncompleteOrLiveAnswer(t *testing.T) { |
| 63 | notFound := errors.New("InvalidInstanceID.NotFound") |
| 64 | cases := map[string]*exactEC2{ |
| 65 | "missing-request-id": {out: func() *ec2.DescribeInstancesOutput { |
| 66 | o := exactOutput("123456789012", "i-123", types.InstanceStateNameStopped) |
| 67 | o.ResultMetadata = middleware.Metadata{} |
| 68 | return o |
| 69 | }()}, |
| 70 | "empty-request-id": {out: func() *ec2.DescribeInstancesOutput { |
| 71 | o := exactOutput("123456789012", "i-123", types.InstanceStateNameStopped) |
| 72 | awsmiddleware.SetRequestIDMetadata(&o.ResultMetadata, "") |
| 73 | return o |
| 74 | }()}, |
| 75 | "blank-request-id": {out: func() *ec2.DescribeInstancesOutput { |
| 76 | o := exactOutput("123456789012", "i-123", types.InstanceStateNameStopped) |
| 77 | awsmiddleware.SetRequestIDMetadata(&o.ResultMetadata, " ") |
| 78 | return o |
| 79 | }()}, |
| 80 | "not-found": {err: notFound}, |
| 81 | "nil": {}, |
| 82 | "no-reservation": {out: &ec2.DescribeInstancesOutput{}}, |
| 83 | "partial-page": {out: func() *ec2.DescribeInstancesOutput { |
| 84 | o := exactOutput("123456789012", "i-123", types.InstanceStateNameStopped) |
| 85 | o.NextToken = aws.String("more") |
| 86 | return o |
| 87 | }()}, |
| 88 | "wrong-owner": {out: exactOutput("999999999999", "i-123", types.InstanceStateNameStopped)}, |
| 89 | "missing-owner": {out: exactOutput("", "i-123", types.InstanceStateNameStopped)}, |
| 90 | "wrong-instance": {out: exactOutput("123456789012", "i-other", types.InstanceStateNameStopped)}, |
| 91 | "running": {out: exactOutput("123456789012", "i-123", types.InstanceStateNameRunning)}, |
| 92 | "missing-state": {out: &ec2.DescribeInstancesOutput{Reservations: []types.Reservation{{OwnerId: aws.String("123456789012"), Instances: []types.Instance{{InstanceId: aws.String("i-123")}}}}}}, |
| 93 | "two-reservations": {out: &ec2.DescribeInstancesOutput{Reservations: []types.Reservation{{OwnerId: aws.String("123456789012")}, {OwnerId: aws.String("123456789012")}}}}, |
| 94 | "two-instances": {out: &ec2.DescribeInstancesOutput{Reservations: []types.Reservation{{OwnerId: aws.String("123456789012"), Instances: []types.Instance{{InstanceId: aws.String("i-123")}, {InstanceId: aws.String("i-123")}}}}}}, |
| 95 | } |
| 96 | for name, api := range cases { |
| 97 | t.Run(name, func(t *testing.T) { |
| 98 | if _, err := VerifyExactStoppedInstance(t.Context(), api, "123456789012", "eu-west-1", "i-123"); !errors.Is(err, ErrExactInstance) { |
| 99 | t.Fatalf("error = %v, want ErrExactInstance", err) |
| 100 | } |
| 101 | }) |
| 102 | } |
| 103 | } |
| 104 | |
amadan