| // Copyright 2020 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package cloud |
| |
| import ( |
| "context" |
| "fmt" |
| "net" |
| "testing" |
| |
| "github.com/google/go-cmp/cmp" |
| "github.com/google/go-cmp/cmp/cmpopts" |
| ) |
| |
| func TestFakeAWSClientInstance(t *testing.T) { |
| t.Run("invalid-params", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| inst, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance: %s", gotErr) |
| } |
| if gotInst, gotErr := f.Instance(nil, inst.ID); gotErr == nil { |
| t.Errorf("Instance(nil, %s) = %+v, nil, want error", inst.ID, gotInst) |
| } |
| if gotInst, gotErr := f.Instance(ctx, ""); gotErr == nil { |
| t.Errorf("Instance(ctx, %s) = %+v, nil, want error", "", gotInst) |
| } |
| }) |
| t.Run("existing-instance", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| inst, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance") |
| } |
| gotInst, gotErr := f.Instance(ctx, inst.ID) |
| if gotErr != nil || gotInst == nil || gotInst.ID != inst.ID { |
| t.Errorf("Instance(ctx, %s) = %v, %s, want %+v, nil", inst.ID, gotInst, gotErr, inst) |
| } |
| }) |
| t.Run("non-existing-instance", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| instID := "instance-random" |
| gotInst, gotErr := f.Instance(ctx, instID) |
| if gotErr == nil || gotInst != nil { |
| t.Errorf("Instance(ctx, %s) = %v, %s, want error", instID, gotInst, gotErr) |
| } |
| }) |
| t.Run("terminated-instance", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| inst, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance") |
| } |
| if gotErr := f.DestroyInstances(ctx, inst.ID); gotErr != nil { |
| t.Fatalf("unable to destroy instance") |
| } |
| gotInst, gotErr := f.Instance(ctx, inst.ID) |
| if gotErr != nil || gotInst == nil || gotInst.ID != inst.ID { |
| t.Errorf("Instance(ctx, %s) = %v, %s, want %+v, nil", inst.ID, gotInst, gotErr, inst) |
| } |
| }) |
| } |
| |
| func TestFakeAWSClientRunningInstances(t *testing.T) { |
| t.Run("invalid-params", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| _, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance: %s", gotErr) |
| } |
| if gotInst, gotErr := f.RunningInstances(nil); gotErr == nil { |
| t.Errorf("RunningInstances(nil) = %+v, nil, want error", gotInst) |
| } |
| }) |
| t.Run("no-instances", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| inst, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance") |
| } |
| gotInsts, gotErr := f.RunningInstances(ctx) |
| if gotErr != nil { |
| t.Errorf("RunningInstances() error = %v, no error", gotErr) |
| } |
| if !cmp.Equal(gotInsts, []*Instance{inst}) { |
| t.Errorf("RunningInstances() = %+v, %s; want %+v", gotInsts, gotErr, []*Instance{inst}) |
| } |
| }) |
| t.Run("single-instance", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| inst, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance") |
| } |
| gotInsts, gotErr := f.RunningInstances(ctx) |
| if gotErr != nil { |
| t.Errorf("RunningInstances() error = %v, no error", gotErr) |
| } |
| if !cmp.Equal(gotInsts, []*Instance{inst}) { |
| t.Errorf("RunningInstances() = %+v, %s; want %+v", gotInsts, gotErr, []*Instance{inst}) |
| } |
| }) |
| t.Run("multiple-instances", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| create := []*EC2VMConfiguration{ |
| generateVMConfig(), |
| generateVMConfig(), |
| generateVMConfig(), |
| } |
| insts := make([]*Instance, 0, len(create)) |
| for _, config := range create { |
| inst, gotErr := f.CreateInstance(ctx, config) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance") |
| } |
| insts = append(insts, inst) |
| } |
| gotInsts, gotErr := f.RunningInstances(ctx) |
| if gotErr != nil { |
| t.Errorf("RunningInstances() error = %v, no error", gotErr) |
| } |
| opt := cmpopts.SortSlices(func(i, j *Instance) bool { return i.ID < j.ID }) |
| if !cmp.Equal(gotInsts, insts, opt) { |
| t.Errorf("RunningInstances() = %+v, %s; want %+v", gotInsts, gotErr, insts) |
| } |
| }) |
| |
| t.Run("multiple-instances-with-one-termination", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| create := []*EC2VMConfiguration{ |
| generateVMConfig(), |
| generateVMConfig(), |
| generateVMConfig(), |
| } |
| insts := make([]*Instance, 0, len(create)) |
| for _, config := range create { |
| inst, gotErr := f.CreateInstance(ctx, config) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance") |
| } |
| insts = append(insts, inst) |
| } |
| if gotErr := f.DestroyInstances(ctx, insts[0].ID); gotErr != nil { |
| t.Fatalf("unable to destroy instance") |
| } |
| gotInsts, gotErr := f.RunningInstances(ctx) |
| if gotErr != nil { |
| t.Errorf("RunningInstances() error = %v, no error", gotErr) |
| } |
| opt := cmpopts.SortSlices(func(i, j *Instance) bool { return i.ID < j.ID }) |
| if !cmp.Equal(gotInsts, insts[1:], opt) { |
| t.Errorf("RunningInstances() = %+v, %s; want %+v", gotInsts, gotErr, insts[1:]) |
| } |
| }) |
| } |
| |
| func TestFakeAWSClientCreateInstance(t *testing.T) { |
| t.Run("create-instance", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| ud := &EC2UserData{} |
| config := &EC2VMConfiguration{ |
| Description: "desc", |
| ImageID: "id-44", |
| Name: "name-22", |
| SSHKeyID: "key-43", |
| SecurityGroups: []string{"sg-1", "sg-2"}, |
| Tags: map[string]string{ |
| "key-1": "value-1", |
| }, |
| Type: "ami-44", |
| UserData: ud.EncodedString(), |
| Zone: "zone-14", |
| } |
| gotInst, gotErr := f.CreateInstance(ctx, config) |
| if gotErr != nil { |
| t.Fatalf("CreateInstance(ctx, %+v) = %+v, %s; want no error", config, gotInst, gotErr) |
| } |
| // generated fields |
| if gotInst.CPUCount <= 0 { |
| t.Errorf("Instance. is not set") |
| } |
| if gotInst.ID == "" { |
| t.Errorf("Instance.ID is not set") |
| } |
| if gotInst.IPAddressExternal == "" { |
| t.Errorf("Instance.IPAddressExternal is not set") |
| } |
| if gotInst.IPAddressInternal == "" { |
| t.Errorf("Instance.IPAddressInternal is not set") |
| } |
| if gotInst.State == "" { |
| t.Errorf("Instance.State is not set") |
| } |
| // config fields |
| if gotInst.Description != config.Description { |
| t.Errorf("Instance.Description = %s, want %s", gotInst.Description, config.Description) |
| } |
| if gotInst.ImageID != config.ImageID { |
| t.Errorf("Instance.ImageID = %s, want %s", gotInst.ImageID, config.ImageID) |
| } |
| if gotInst.Name != config.Name { |
| t.Errorf("Instance.Name = %s, want %s", gotInst.Name, config.Name) |
| } |
| if gotInst.SSHKeyID != config.SSHKeyID { |
| t.Errorf("Instance.SSHKeyID = %s, want %s", gotInst.SSHKeyID, config.SSHKeyID) |
| } |
| if !cmp.Equal(gotInst.SecurityGroups, config.SecurityGroups) { |
| t.Errorf("Instance.SecurityGroups = %s, want %s", gotInst.SecurityGroups, config.SecurityGroups) |
| } |
| if !cmp.Equal(gotInst.Tags, config.Tags) { |
| t.Errorf("Instance.Tags = %+v, want %+v", gotInst.Tags, config.Tags) |
| } |
| if gotInst.Type != config.Type { |
| t.Errorf("Instance.Type = %s, want %s", gotInst.Type, config.Type) |
| } |
| if gotInst.Zone != config.Zone { |
| t.Errorf("Instance.Zone = %s, want %s", gotInst.Zone, config.Zone) |
| } |
| }) |
| } |
| |
| func TestFakeAWSClientDestroyInstances(t *testing.T) { |
| t.Run("invalid-params", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| inst, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance: %s", gotErr) |
| } |
| if gotErr := f.DestroyInstances(nil, inst.ID); gotErr == nil { |
| t.Errorf("DestroyInstances(nil, %s) = nil, want error", inst.ID) |
| } |
| if gotErr := f.DestroyInstances(ctx); gotErr == nil { |
| t.Error("DestroyInstances(ctx) = nil, want error") |
| } |
| }) |
| t.Run("destroy-existing-instance", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| inst, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance") |
| } |
| if gotErr = f.DestroyInstances(ctx, inst.ID); gotErr != nil { |
| t.Errorf("DestroyInstances(ctx, %s) = %s; want no error", inst.ID, gotErr) |
| } |
| }) |
| t.Run("destroy-existing-instances", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| inst1, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance") |
| } |
| inst2, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance") |
| } |
| if gotErr = f.DestroyInstances(ctx, inst1.ID, inst2.ID); gotErr != nil { |
| t.Errorf("DestroyInstances(ctx, %s, %s) = %s; want no error", inst1.ID, inst2.ID, gotErr) |
| } |
| }) |
| t.Run("destroy-non-existing-instance", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| instID := "instance-random" |
| if gotErr := f.DestroyInstances(ctx, instID); gotErr == nil { |
| t.Errorf("DestroyInstances(ctx, %s) = %s; want error", instID, gotErr) |
| } |
| }) |
| } |
| |
| func TestFakeAWSClientWaitUntilInstanceRunning(t *testing.T) { |
| t.Run("invalid-params", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| inst, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance: %s", gotErr) |
| } |
| if gotErr := f.WaitUntilInstanceRunning(nil, inst.ID); gotErr == nil { |
| t.Errorf("WaitUntilInstanceRunning(nil, %s) = nil, want error", inst.ID) |
| } |
| if gotErr := f.WaitUntilInstanceRunning(ctx, ""); gotErr == nil { |
| t.Errorf("WaitUntilInstanceRunning(ctx, %s) = nil, want error", "") |
| } |
| }) |
| t.Run("wait-for-existing-instance", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| inst, gotErr := f.CreateInstance(ctx, generateVMConfig()) |
| if gotErr != nil { |
| t.Fatalf("unable to create instance") |
| } |
| if gotErr = f.WaitUntilInstanceRunning(ctx, inst.ID); gotErr != nil { |
| t.Errorf("WaitUntilInstanceRunning(ctx, %s) = %s; want no error", inst.ID, gotErr) |
| } |
| }) |
| t.Run("wait-for-non-existing-instance", func(t *testing.T) { |
| ctx := context.Background() |
| f := NewFakeAWSClient() |
| instID := "instance-random" |
| if gotErr := f.WaitUntilInstanceRunning(ctx, instID); gotErr == nil { |
| t.Errorf("WaitUntilInstanceRunning(ctx, %s) = %s; want error", instID, gotErr) |
| } |
| }) |
| } |
| |
| func TestRandIPv4(t *testing.T) { |
| got := randIPv4() |
| gotIP := net.ParseIP(got) |
| if gotIP == nil { |
| t.Errorf("randIPv4() = %v, want conforment IPv4 address", got) |
| } |
| } |
| |
| func generateVMConfig() *EC2VMConfiguration { |
| return &EC2VMConfiguration{ |
| ImageID: fmt.Sprintf("ami-%s", randHex(4)), |
| SSHKeyID: fmt.Sprintf("key-%s", randHex(4)), |
| Type: fmt.Sprintf("type-%s", randHex(4)), |
| Zone: fmt.Sprintf("zone-%s", randHex(4)), |
| } |
| } |
