1 files changed, 26 insertions, 0 deletions
diff --git a/internal/hexaiaction/run_more_test.go b/internal/hexaiaction/run_more_test.go
new file mode 100644
index 0000000..d7ab025
--- /dev/null
+++ b/internal/hexaiaction/run_more_test.go
@@ -0,0 +1,26 @@
+package hexaiaction
+
+import (
+    "bytes"
+    "context"
+    "os"
+    "testing"
+)
+
+// Covers the early error path in Run when no API key is available for the default provider.
+func TestRun_MissingAPIKey(t *testing.T) {
+    // Ensure no provider API keys in env
+    for _, k := range []string{"HEXAI_OPENAI_API_KEY", "OPENAI_API_KEY", "HEXAI_COPILOT_API_KEY", "COPILOT_API_KEY"} {
+        t.Setenv(k, "")
+    }
+    // Provide minimal stdin to get past empty input check (if reached)
+    in := bytes.NewBufferString("some selection text")
+    var out bytes.Buffer
+    var errBuf bytes.Buffer
+    // Expect an error due to missing OPENAI_API_KEY (default provider is openai)
+    if err := Run(context.Background(), in, &out, &errBuf); err == nil {
+        t.Fatal("expected error when API key is missing")
+    }
+    _ = os.Stderr
+}
+