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package hexaicli
import (
"bytes"
"context"
"os"
"path/filepath"
"strings"
"testing"
"time"
"codeberg.org/snonux/hexai/internal/appconfig"
"codeberg.org/snonux/hexai/internal/llm"
)
func TestCLIResponseCacheFingerprintChanges(t *testing.T) {
base := newCLIResponseCacheKey("openai", "gpt-4.1", requestArgs{maxTokens: 42}, []llm.Message{
{Role: "system", Content: "sys"},
{Role: "user", Content: "hello"},
})
baseFingerprint, ok := cliResponseCacheFingerprint(base)
if !ok {
t.Fatal("expected fingerprint for base key")
}
tests := []struct {
name string
key cliResponseCacheKey
}{
{name: "provider", key: newCLIResponseCacheKey("anthropic", "gpt-4.1", requestArgs{maxTokens: 42}, base.Messages)},
{name: "model", key: newCLIResponseCacheKey("openai", "gpt-5", requestArgs{maxTokens: 42}, base.Messages)},
{name: "prompt", key: newCLIResponseCacheKey("openai", "gpt-4.1", requestArgs{maxTokens: 42}, []llm.Message{{Role: "system", Content: "different"}, {Role: "user", Content: "hello"}})},
{name: "temperature", key: newCLIResponseCacheKey("openai", "gpt-4.1", requestArgs{maxTokens: 42, temperature: floatPtr(0.7)}, base.Messages)},
}
for _, tc := range tests {
fingerprint, ok := cliResponseCacheFingerprint(tc.key)
if !ok {
t.Fatalf("%s: expected fingerprint", tc.name)
}
if fingerprint == baseFingerprint {
t.Fatalf("%s: expected fingerprint change", tc.name)
}
}
}
func TestLookupCLIResponseCacheExpiresEntries(t *testing.T) {
t.Setenv("XDG_CACHE_HOME", t.TempDir())
oldNow := nowCLIResponseCache
nowCLIResponseCache = func() time.Time { return time.Date(2026, 3, 15, 10, 0, 0, 0, time.UTC) }
defer func() { nowCLIResponseCache = oldNow }()
key := newCLIResponseCacheKey("openai", "gpt-4.1", requestArgs{maxTokens: 10}, []llm.Message{{Role: "user", Content: "hello"}})
storeCLIResponseCache(key, "cached")
path, ok := cliResponseCachePath(key)
if !ok {
t.Fatal("expected cache path")
}
if _, err := os.Stat(path); err != nil {
t.Fatalf("expected cache file: %v", err)
}
nowCLIResponseCache = func() time.Time { return time.Date(2026, 3, 16, 11, 0, 0, 0, time.UTC) }
if _, _, hit := lookupCLIResponseCache(key); hit {
t.Fatal("expected expired cache miss")
}
if _, err := os.Stat(path); !os.IsNotExist(err) {
t.Fatalf("expected expired cache file removal, got %v", err)
}
}
func TestRun_UsesCachedResponseWithoutClientCall(t *testing.T) {
t.Chdir(t.TempDir())
t.Setenv("XDG_CONFIG_HOME", t.TempDir())
t.Setenv("XDG_CACHE_HOME", t.TempDir())
oldNew := newClientFromApp
defer func() { newClientFromApp = oldNew }()
calls := 0
newClientFromApp = func(cfg appconfig.App) (llm.Client, error) {
calls++
return &fakeClient{name: cfg.Provider, model: "gpt-4.1", resp: "cached output"}, nil
}
var firstOut, firstErr bytes.Buffer
if err := Run(context.Background(), []string{"hello"}, strings.NewReader(""), &firstOut, &firstErr); err != nil {
t.Fatalf("first Run: %v", err)
}
if calls != 1 {
t.Fatalf("expected one live client call, got %d", calls)
}
newClientFromApp = func(appconfig.App) (llm.Client, error) {
t.Fatal("client should not be constructed on cache hit")
return nil, nil
}
var secondOut, secondErr bytes.Buffer
if err := Run(context.Background(), []string{"hello"}, strings.NewReader(""), &secondOut, &secondErr); err != nil {
t.Fatalf("second Run: %v", err)
}
if got := secondOut.String(); got != "cached output" {
t.Fatalf("stdout = %q, want cached output", got)
}
if !strings.Contains(secondErr.String(), "cache hit provider=openai model=gpt-4.1") {
t.Fatalf("expected cache hit note, got %q", secondErr.String())
}
}
func TestRun_WithSelectionUsesChosenCachedResponse(t *testing.T) {
workDir := t.TempDir()
configHome := t.TempDir()
t.Chdir(workDir)
t.Setenv("XDG_CONFIG_HOME", configHome)
t.Setenv("XDG_CACHE_HOME", t.TempDir())
configPath := filepath.Join(configHome, "hexai", "config.toml")
writeConfigString(t, configPath, `
[provider]
name = "openai"
[[models.cli]]
provider = "openai"
model = "gpt-4.1"
[[models.cli]]
provider = "anthropic"
model = "claude-3-5-sonnet-20240620"
`)
oldNew := newClientFromApp
defer func() { newClientFromApp = oldNew }()
newClientFromApp = func(cfg appconfig.App) (llm.Client, error) {
switch cfg.Provider {
case "anthropic":
return &fakeClient{name: "anthropic", model: "claude-3-5-sonnet-20240620", resp: "RIGHT"}, nil
default:
return &fakeClient{name: "openai", model: "gpt-4.1", resp: "LEFT"}, nil
}
}
if err := Run(context.Background(), []string{"hello"}, strings.NewReader(""), &bytes.Buffer{}, &bytes.Buffer{}); err != nil {
t.Fatalf("warm cache Run: %v", err)
}
newClientFromApp = func(appconfig.App) (llm.Client, error) {
t.Fatal("client should not be constructed for selected cache hit")
return nil, nil
}
ctx := WithCLISelection(context.Background(), []int{1})
var out, errb bytes.Buffer
if err := Run(ctx, []string{"hello"}, strings.NewReader(""), &out, &errb); err != nil {
t.Fatalf("selected Run: %v", err)
}
if got := out.String(); got != "RIGHT" {
t.Fatalf("stdout = %q, want RIGHT", got)
}
if strings.Contains(out.String(), "LEFT") {
t.Fatalf("unexpected other provider output: %q", out.String())
}
if !strings.Contains(errb.String(), "anthropic:claude-3-5-sonnet-20240620") {
t.Fatalf("expected selected provider header, got %q", errb.String())
}
}
func TestRun_ExpiredCacheFallsBackToProvider(t *testing.T) {
t.Chdir(t.TempDir())
t.Setenv("XDG_CONFIG_HOME", t.TempDir())
t.Setenv("XDG_CACHE_HOME", t.TempDir())
oldNow := nowCLIResponseCache
nowCLIResponseCache = func() time.Time { return time.Date(2026, 3, 15, 10, 0, 0, 0, time.UTC) }
defer func() { nowCLIResponseCache = oldNow }()
oldNew := newClientFromApp
defer func() { newClientFromApp = oldNew }()
calls := 0
newClientFromApp = func(cfg appconfig.App) (llm.Client, error) {
calls++
resp := "first"
if calls > 1 {
resp = "second"
}
return &fakeClient{name: cfg.Provider, model: "gpt-4.1", resp: resp}, nil
}
if err := Run(context.Background(), []string{"hello"}, strings.NewReader(""), &bytes.Buffer{}, &bytes.Buffer{}); err != nil {
t.Fatalf("first Run: %v", err)
}
nowCLIResponseCache = func() time.Time { return time.Date(2026, 3, 16, 11, 0, 0, 0, time.UTC) }
var out, errb bytes.Buffer
if err := Run(context.Background(), []string{"hello"}, strings.NewReader(""), &out, &errb); err != nil {
t.Fatalf("second Run: %v", err)
}
if calls != 2 {
t.Fatalf("expected second live provider call after expiry, got %d", calls)
}
if got := out.String(); got != "second" {
t.Fatalf("stdout = %q, want second", got)
}
}
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