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package hexaicli
import (
"bytes"
"context"
"strings"
"testing"
"codeberg.org/snonux/hexai/internal/appconfig"
"codeberg.org/snonux/hexai/internal/llm"
)
type fakeClientModelEnv struct{ name, model string }
func (f fakeClientModelEnv) Chat(_ context.Context, _ []llm.Message, _ ...llm.RequestOption) (string, error) { return "ok", nil }
func (f fakeClientModelEnv) Name() string { return f.name }
func (f fakeClientModelEnv) DefaultModel() string { return f.model }
// Ensure that HEXAI_MODEL overrides config for CLI runs.
func TestRun_ModelEnvOverride_FlowsIntoClient(t *testing.T) {
t.Setenv("HEXAI_MODEL", "gpt-5-codex")
t.Setenv("HEXAI_PROVIDER", "openai")
// Replace client constructor to assert model was overridden
oldNew := newClientFromApp
defer func() { newClientFromApp = oldNew }()
newClientFromApp = func(cfg appconfig.App) (llm.Client, error) {
if strings.TrimSpace(cfg.OpenAIModel) != "gpt-5-codex" {
t.Fatalf("expected cfg.OpenAIModel=gpt-5-codex, got %q", cfg.OpenAIModel)
}
return fakeClientModelEnv{name: "openai", model: cfg.OpenAIModel}, nil
}
var out, errb bytes.Buffer
if err := Run(context.Background(), []string{"hello"}, strings.NewReader(""), &out, &errb); err != nil {
t.Fatalf("run error: %v", err)
}
if !strings.Contains(errb.String(), "model=gpt-5-codex") {
t.Fatalf("stderr should print effective model, got: %s", errb.String())
}
}
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