test: add settings test (#11)

api.go

@@ -68,42 +68,22 @@ func New(authToken string, setters ...APISetting) *API {
 }
 
 func (c *API) Users() UsersInterface {
-	if c == nil {
-		return nil
-	}
-
 	return c.usersClient
 }
 
 func (c *API) Databases() DatabasesInterface {
-	if c == nil {
-		return nil
-	}
-
 	return c.databasesClient
 }
 
 func (c *API) Pages() PagesInterface {
-	if c == nil {
-		return nil
-	}
-
 	return c.pagesClient
 }
 
 func (c *API) Blocks() BlocksInterface {
-	if c == nil {
-		return nil
-	}
-
 	return c.blocksClient
 }
 
 func (c *API) Search(ctx context.Context, params SearchParameters) (*SearchResponse, error) {
-	if c == nil {
-		return nil, ErrUnknown
-	}
-
 	return c.searchClient.Search(ctx, params)
 }
 

api_internal_test.go

@@ -0,0 +1,48 @@
+package notion
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestWithUserAgent(t *testing.T) {
+	var settings apiSettings
+
+	userAgent := "test-user-agent"
+
+	WithUserAgent("test-user-agent")(&settings)
+
+	assert.Equal(t, settings.userAgent, userAgent)
+}
+
+func TestWithBaseURL(t *testing.T) {
+	var settings apiSettings
+
+	baseURL := "https://example.com"
+
+	WithBaseURL(baseURL)(&settings)
+
+	assert.Equal(t, settings.baseURL, baseURL)
+}
+
+func TestNotionVersion(t *testing.T) {
+	var settings apiSettings
+
+	notionVersion := "2021-05-19"
+
+	WithNotionVersion(notionVersion)(&settings)
+
+	assert.Equal(t, settings.notionVersion, notionVersion)
+}
+
+func TestHTTPClient(t *testing.T) {
+	var settings apiSettings
+
+	httpClient := &http.Client{}
+
+	WithHTTPClient(httpClient)(&settings)
+
+	assert.Same(t, settings.httpClient, httpClient)
+}