Remove testing Implements

Make adherenence to interface a compile type rather than a test time check.

action.go

@@ -25,6 +25,8 @@ type ActionsServiceOp struct {
 	client *Client
 }
 
+var _ ActionsService = &ActionsServiceOp{}
+
 type actionsRoot struct {
 	Actions []Action `json:"actions"`
 	Links   *Links   `json:"links"`

action_test.go

@@ -8,12 +8,6 @@ import (
 	"time"
 )
 
-func TestAction_ActionsServiceOpImplementsActionsService(t *testing.T) {
-	if !Implements((*ActionsService)(nil), new(ActionsServiceOp)) {
-		t.Error("ActionsServiceOp does not implement ActionsService")
-	}
-}
-
 func TestAction_List(t *testing.T) {
 	setup()
 	defer teardown()
@@ -101,11 +95,11 @@ func TestAction_Get(t *testing.T) {
 	}
 
 	region := &Region{
-		Name: "name",
-		Slug: "slug",
+		Name:      "name",
+		Slug:      "slug",
 		Available: true,
-		Sizes: []string{"512mb"},
-		Features: []string{"virtio"},
+		Sizes:     []string{"512mb"},
+		Features:  []string{"virtio"},
 	}
 	if !reflect.DeepEqual(action.Region, region) {
 		t.Fatalf("unexpected response, invalid region")

domains.go

@@ -26,6 +26,8 @@ type DomainsServiceOp struct {
 	client *Client
 }
 
+var _ DomainsService = &DomainsServiceOp{}
+
 // Domain represents a Digital Ocean domain
 type Domain struct {
 	Name     string `json:"name"`

domains_test.go

@@ -8,12 +8,6 @@ import (
 	"testing"
 )
 
-func TestAction_DomainsServiceOpImplementsDomainsService(t *testing.T) {
-	if !Implements((*DomainsService)(nil), new(DomainsServiceOp)) {
-		t.Error("DomainsServiceOp does not implement DomainsService")
-	}
-}
-
 func TestDomains_ListDomains(t *testing.T) {
 	setup()
 	defer teardown()

droplet_actions.go

@@ -32,6 +32,8 @@ type DropletActionsServiceOp struct {
 	client *Client
 }
 
+var _ DropletActionsService = &DropletActionsServiceOp{}
+
 // Shutdown a Droplet
 func (s *DropletActionsServiceOp) Shutdown(id int) (*Action, *Response, error) {
 	request := &ActionRequest{"type": "shutdown"}

droplet_actions_test.go

@@ -8,12 +8,6 @@ import (
 	"testing"
 )
 
-func TestDropletActions_DropletActionsServiceOpImplementsDropletActionsService(t *testing.T) {
-	if !Implements((*DropletActionsService)(nil), new(DropletActionsServiceOp)) {
-		t.Error("DropletActionsServiceOp does not implement DropletActionsService")
-	}
-}
-
 func TestDropletActions_Shutdown(t *testing.T) {
 	setup()
 	defer teardown()

droplets.go

@@ -24,6 +24,8 @@ type DropletsServiceOp struct {
 	client *Client
 }
 
+var _ DropletsService = &DropletsServiceOp{}
+
 // Droplet represents a DigitalOcean Droplet
 type Droplet struct {
 	ID          int       `json:"id,float64,omitempty"`

droplets_test.go

@@ -8,12 +8,6 @@ import (
 	"testing"
 )
 
-func TestAction_DropletsServiceOpImplementsActionService(t *testing.T) {
-	if !Implements((*DropletsService)(nil), new(DropletsServiceOp)) {
-		t.Error("DropletsServiceOp does not implement DropletsService")
-	}
-}
-
 func TestDroplets_ListDroplets(t *testing.T) {
 	setup()
 	defer teardown()

godo_test.go

@@ -303,15 +303,6 @@ func TestDo_rateLimit_errorResponse(t *testing.T) {
 	}
 }
 
-func Implements(interfaceObject interface{}, object interface{}, msgAndArgs ...interface{}) bool {
-	interfaceType := reflect.TypeOf(interfaceObject).Elem()
-	if !reflect.TypeOf(object).Implements(interfaceType) {
-		return false
-	}
-
-	return true
-}
-
 func checkCurrentPage(t *testing.T, resp *Response, expectedPage int) {
 	links := resp.Links
 	p, err := links.CurrentPage()

image_actions.go

@@ -16,6 +16,8 @@ type ImageActionsServiceOp struct {
 	client *Client
 }
 
+var _ ImageActionsService = &ImageActionsServiceOp{}
+
 // Transfer an image
 func (i *ImageActionsServiceOp) Transfer(imageID int, transferRequest *ActionRequest) (*Action, *Response, error) {
 	path := fmt.Sprintf("v2/images/%d/actions", imageID)

image_actions_test.go

@@ -8,12 +8,6 @@ import (
 	"testing"
 )
 
-func TestImageActions_ImageActionsServiceOpImplementsImageActionsService(t *testing.T) {
-	if !Implements((*ImageActionsService)(nil), new(ImageActionsServiceOp)) {
-		t.Error("ImageActionsServiceOp does not implement ImageActionsService")
-	}
-}
-
 func TestImageActions_Transfer(t *testing.T) {
 	setup()
 	defer teardown()

images.go

@@ -13,6 +13,8 @@ type ImagesServiceOp struct {
 	client *Client
 }
 
+var _ ImagesService = &ImagesServiceOp{}
+
 // Image represents a DigitalOcean Image
 type Image struct {
 	ID           int      `json:"id,float64,omitempty"`

images_test.go

@@ -7,12 +7,6 @@ import (
 	"testing"
 )
 
-func TestImages_ImagesServiceOpImplementsImagesService(t *testing.T) {
-	if !Implements((*ImagesService)(nil), new(ImagesServiceOp)) {
-		t.Error("ImagesServiceOp does not implement ImagesService")
-	}
-}
-
 func TestImages_List(t *testing.T) {
 	setup()
 	defer teardown()

keys.go

@@ -22,6 +22,8 @@ type KeysServiceOp struct {
 	client *Client
 }
 
+var _ KeysService = &KeysServiceOp{}
+
 // Key represents a DigitalOcean Key.
 type Key struct {
 	ID          int    `json:"id,float64,omitempty"`

keys_test.go

@@ -8,12 +8,6 @@ import (
 	"testing"
 )
 
-func TestKeys_KeysServiceOpImplementsKeysService(t *testing.T) {
-	if !Implements((*KeysService)(nil), new(KeysServiceOp)) {
-		t.Error("KeysServiceOp does not implement KeysService")
-	}
-}
-
 func TestKeys_List(t *testing.T) {
 	setup()
 	defer teardown()

regions.go

@@ -13,6 +13,8 @@ type RegionsServiceOp struct {
 	client *Client
 }
 
+var _ RegionsService = &RegionsServiceOp{}
+
 // Region represents a DigitalOcean Region
 type Region struct {
 	Slug      string   `json:"slug,omitempty"`

regions_test.go

@@ -7,12 +7,6 @@ import (
 	"testing"
 )
 
-func TestRegions_RegionsServiceOpImplementsRegionsService(t *testing.T) {
-	if !Implements((*RegionsService)(nil), new(RegionsServiceOp)) {
-		t.Error("RegionsServiceOp does not implement RegionsService")
-	}
-}
-
 func TestRegions_List(t *testing.T) {
 	setup()
 	defer teardown()

sizes.go

@@ -13,6 +13,8 @@ type SizesServiceOp struct {
 	client *Client
 }
 
+var _ SizesService = &SizesServiceOp{}
+
 // Size represents a DigitalOcean Size
 type Size struct {
 	Slug         string   `json:"slug,omitempty"`

sizes_test.go

@@ -7,12 +7,6 @@ import (
 	"testing"
 )
 
-func TestSizes_SizesServiceOpImplementsSizesService(t *testing.T) {
-	if !Implements((*SizesService)(nil), new(SizesServiceOp)) {
-		t.Error("SizesServiceOp does not implement SizesService")
-	}
-}
-
 func TestSizes_List(t *testing.T) {
 	setup()
 	defer teardown()