fix(forge): make client accessors nil-safe

Co-Authored-By: Virgil <virgil@lethean.io>

client.go

@@ -171,6 +171,9 @@ type Client struct {
 //
 //	baseURL := client.BaseURL()
 func (c *Client) BaseURL() string {
+	if c == nil {
+		return ""
+	}
 	return c.baseURL
 }
 
@@ -180,6 +183,9 @@ func (c *Client) BaseURL() string {
 //
 //	rl := client.RateLimit()
 func (c *Client) RateLimit() RateLimit {
+	if c == nil {
+		return RateLimit{}
+	}
 	return c.rateLimit
 }
 
@@ -189,6 +195,9 @@ func (c *Client) RateLimit() RateLimit {
 //
 //	ua := client.UserAgent()
 func (c *Client) UserAgent() string {
+	if c == nil {
+		return ""
+	}
 	return c.userAgent
 }
 
@@ -198,6 +207,9 @@ func (c *Client) UserAgent() string {
 //
 //	hc := client.HTTPClient()
 func (c *Client) HTTPClient() *http.Client {
+	if c == nil {
+		return nil
+	}
 	return c.httpClient
 }
 
@@ -232,6 +244,9 @@ func (c *Client) GoString() string { return c.String() }
 //	    _ = "authenticated"
 //	}
 func (c *Client) HasToken() bool {
+	if c == nil {
+		return false
+	}
 	return c.token != ""
 }
 

client_test.go

@@ -215,6 +215,25 @@ func TestClient_HasToken_Bad(t *testing.T) {
 	}
 }
 
+func TestClient_NilSafeAccessors(t *testing.T) {
+	var c *Client
+	if got := c.BaseURL(); got != "" {
+		t.Fatalf("got BaseURL()=%q, want empty string", got)
+	}
+	if got := c.RateLimit(); got != (RateLimit{}) {
+		t.Fatalf("got RateLimit()=%#v, want zero value", got)
+	}
+	if got := c.UserAgent(); got != "" {
+		t.Fatalf("got UserAgent()=%q, want empty string", got)
+	}
+	if got := c.HTTPClient(); got != nil {
+		t.Fatal("expected HTTPClient() to return nil")
+	}
+	if got := c.HasToken(); got {
+		t.Fatal("expected HasToken() to report false")
+	}
+}
+
 func TestClient_WithHTTPClient_Good(t *testing.T) {
 	custom := &http.Client{}
 	c := NewClient("https://forge.lthn.ai", "tok", WithHTTPClient(custom))

forge.go

@@ -72,35 +72,60 @@ func NewForge(url, token string, opts ...Option) *Forge {
 // Usage:
 //
 //	client := f.Client()
-func (f *Forge) Client() *Client { return f.client }
+func (f *Forge) Client() *Client {
+	if f == nil {
+		return nil
+	}
+	return f.client
+}
 
 // BaseURL returns the configured Forgejo base URL.
 //
 // Usage:
 //
 //	baseURL := f.BaseURL()
-func (f *Forge) BaseURL() string { return f.client.BaseURL() }
+func (f *Forge) BaseURL() string {
+	if f == nil || f.client == nil {
+		return ""
+	}
+	return f.client.BaseURL()
+}
 
 // RateLimit returns the last known rate limit information.
 //
 // Usage:
 //
 //	rl := f.RateLimit()
-func (f *Forge) RateLimit() RateLimit { return f.client.RateLimit() }
+func (f *Forge) RateLimit() RateLimit {
+	if f == nil || f.client == nil {
+		return RateLimit{}
+	}
+	return f.client.RateLimit()
+}
 
 // UserAgent returns the configured User-Agent header value.
 //
 // Usage:
 //
 //	ua := f.UserAgent()
-func (f *Forge) UserAgent() string { return f.client.UserAgent() }
+func (f *Forge) UserAgent() string {
+	if f == nil || f.client == nil {
+		return ""
+	}
+	return f.client.UserAgent()
+}
 
 // HTTPClient returns the configured underlying HTTP client.
 //
 // Usage:
 //
 //	hc := f.HTTPClient()
-func (f *Forge) HTTPClient() *http.Client { return f.client.HTTPClient() }
+func (f *Forge) HTTPClient() *http.Client {
+	if f == nil || f.client == nil {
+		return nil
+	}
+	return f.client.HTTPClient()
+}
 
 // HasToken reports whether the Forge client was configured with an API token.
 //
@@ -109,7 +134,12 @@ func (f *Forge) HTTPClient() *http.Client { return f.client.HTTPClient() }
 //	if f.HasToken() {
 //	    _ = "authenticated"
 //	}
-func (f *Forge) HasToken() bool { return f.client.HasToken() }
+func (f *Forge) HasToken() bool {
+	if f == nil || f.client == nil {
+		return false
+	}
+	return f.client.HasToken()
+}
 
 // String returns a safe summary of the Forge client.
 //

forge_test.go

@@ -82,6 +82,28 @@ func TestForge_HasToken_Bad(t *testing.T) {
 	}
 }
 
+func TestForge_NilSafeAccessors(t *testing.T) {
+	var f *Forge
+	if got := f.Client(); got != nil {
+		t.Fatal("expected Client() to return nil")
+	}
+	if got := f.BaseURL(); got != "" {
+		t.Fatalf("got BaseURL()=%q, want empty string", got)
+	}
+	if got := f.RateLimit(); got != (RateLimit{}) {
+		t.Fatalf("got RateLimit()=%#v, want zero value", got)
+	}
+	if got := f.UserAgent(); got != "" {
+		t.Fatalf("got UserAgent()=%q, want empty string", got)
+	}
+	if got := f.HTTPClient(); got != nil {
+		t.Fatal("expected HTTPClient() to return nil")
+	}
+	if got := f.HasToken(); got {
+		t.Fatal("expected HasToken() to report false")
+	}
+}
+
 func TestForge_String_Good(t *testing.T) {
 	f := NewForge("https://forge.lthn.ai", "tok", WithUserAgent("go-forge/1.0"))
 	got := fmt.Sprint(f)