From baaa2a95b323296992bcce9c8cdc789c1c52d917 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Sun, 19 Apr 2026 21:58:20 +0300
Subject: u4: add core infrastructure scaffolding

---
 internal/apicircuit/apicircuit_test.go | 40 ++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 internal/apicircuit/apicircuit_test.go

(limited to 'internal/apicircuit/apicircuit_test.go')

diff --git a/internal/apicircuit/apicircuit_test.go b/internal/apicircuit/apicircuit_test.go
new file mode 100644
index 0000000..842a0f2
--- /dev/null
+++ b/internal/apicircuit/apicircuit_test.go
@@ -0,0 +1,40 @@
+package apicircuit
+
+import (
+	"context"
+	"errors"
+	"testing"
+)
+
+func TestGeminiTTS_Success(t *testing.T) {
+	t.Parallel()
+
+	v, err := GeminiTTS(func() (string, error) {
+		return "ok", nil
+	})
+	if err != nil || v != "ok" {
+		t.Fatalf("GeminiTTS() = %q, %v; want ok, nil", v, err)
+	}
+}
+
+func TestGeminiImage_Success(t *testing.T) {
+	t.Parallel()
+
+	v, err := GeminiImage(func() (int, error) {
+		return 42, nil
+	})
+	if err != nil || v != 42 {
+		t.Fatalf("GeminiImage() = %d, %v; want 42, nil", v, err)
+	}
+}
+
+func TestIsSuccessful_ContextCanceled(t *testing.T) {
+	t.Parallel()
+
+	if !isSuccessful(context.Canceled) {
+		t.Fatal("context.Canceled should not count as breaker failure")
+	}
+	if isSuccessful(errors.New("api error")) {
+		t.Fatal("arbitrary errors must count as failure")
+	}
+}
-- 
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