Function TestResolve_ConfigOverridesEnv

agent/agentcontextconfig/api_test.go:556–578

TestResolve_ConfigOverridesEnv verifies that Resolve uses the Config struct, not environment variables. nolint:paralleltest // Uses t.Setenv to mutate process-wide environment.

(t *testing.T)

//
//nolint:paralleltest // Uses t.Setenv to mutate process-wide environment.
func TestResolve_ConfigOverridesEnv(t *testing.T) {
	// Set env vars to one value.
	envDir := t.TempDir()
	t.Setenv(agentcontextconfig.EnvInstructionsDirs, envDir)

	// Build a Config with a different value.
	cfgDir := t.TempDir()
	require.NoError(t, os.WriteFile(
		filepath.Join(cfgDir, "AGENTS.md"),
		[]byte("from config"),
		0o600,
	))

	cfg := agentcontextconfig.ReadEnvConfig()
	cfg.InstructionsDirs = cfgDir

	workDir := t.TempDir()
	result, _ := agentcontextconfig.Resolve(workDir, cfg)

	ctxFiles := filterParts(result.Parts, codersdk.ChatMessagePartTypeContextFile)
	require.Len(t, ctxFiles, 1)
	require.Equal(t, "from config", ctxFiles[0].ContextFileContent)
}