From 62f9a3b1e84455c32971272c03163ca543e2f68f Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Wed, 03 Jun 2026 14:44:26 +0800
Subject: [PATCH] Implement Round 4 Parakeet model selection

---
 privatevoice.src/internal/model/model_test.go |   69 ++++++++++++++++++++++++++++++++++
 1 files changed, 69 insertions(+), 0 deletions(-)

diff --git a/privatevoice.src/internal/model/model_test.go b/privatevoice.src/internal/model/model_test.go
index b5273c2..b85c5ad 100644
--- a/privatevoice.src/internal/model/model_test.go
+++ b/privatevoice.src/internal/model/model_test.go
@@ -39,6 +39,25 @@
 	}
 }
 
+func TestRegistryReturnsParakeetEnglish(t *testing.T) {
+	profile, err := GetModelProfile(ParakeetModelID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if profile.BackendKind != BackendNemoTransducer {
+		t.Fatalf("backend kind = %q, want %q", profile.BackendKind, BackendNemoTransducer)
+	}
+	if profile.InstallDirName != "parakeet-en" {
+		t.Fatalf("install dir = %q, want parakeet-en", profile.InstallDirName)
+	}
+	if profile.Tier != "advanced" {
+		t.Fatalf("tier = %q, want advanced", profile.Tier)
+	}
+	if len(profile.DownloadURLs) == 0 {
+		t.Fatal("expected parakeet download URL")
+	}
+}
+
 func TestEnglishLanguageDefaultsToMoonshine(t *testing.T) {
 	profile, err := GetLanguageProfile(EnglishLanguageID)
 	if err != nil {
@@ -46,6 +65,9 @@
 	}
 	if profile.DefaultModelID != MoonshineModelID {
 		t.Fatalf("English default model = %q, want %q", profile.DefaultModelID, MoonshineModelID)
+	}
+	if len(profile.UpgradeModelIDs) != 1 || profile.UpgradeModelIDs[0] != ParakeetModelID {
+		t.Fatalf("English upgrade models = %v, want [%s]", profile.UpgradeModelIDs, ParakeetModelID)
 	}
 }
 
@@ -132,6 +154,42 @@
 	result := ValidateModelDir(profile, dir)
 	if result.Valid {
 		t.Fatal("expected missing cached decoder to fail validation")
+	}
+}
+
+func TestValidateParakeetRequiredFiles(t *testing.T) {
+	profile, err := GetModelProfile(ParakeetModelID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	dir := t.TempDir()
+	createValidParakeet(t, dir)
+
+	result := ValidateModelDir(profile, dir)
+	if !result.Valid {
+		t.Fatalf("expected valid parakeet dir, missing=%v problems=%v", result.Missing, result.Problems)
+	}
+	for _, role := range []string{"encoder", "decoder", "joiner", "tokens"} {
+		if result.Files[role] == "" {
+			t.Fatalf("missing resolved file role %q", role)
+		}
+	}
+}
+
+func TestValidateParakeetRejectsMissingFile(t *testing.T) {
+	profile, err := GetModelProfile(ParakeetModelID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	dir := t.TempDir()
+	createValidParakeet(t, dir)
+	if err := os.Remove(filepath.Join(dir, "joiner.int8.onnx")); err != nil {
+		t.Fatal(err)
+	}
+
+	result := ValidateModelDir(profile, dir)
+	if result.Valid {
+		t.Fatal("expected missing joiner to fail validation")
 	}
 }
 
@@ -428,6 +486,17 @@
 	writeTestFile(t, filepath.Join(dir, "tokens.txt"), "tokens")
 }
 
+func createValidParakeet(t *testing.T, dir string) {
+	t.Helper()
+	if err := os.MkdirAll(dir, 0755); err != nil {
+		t.Fatal(err)
+	}
+	writeTestFile(t, filepath.Join(dir, "encoder.int8.onnx"), "encoder")
+	writeTestFile(t, filepath.Join(dir, "decoder.int8.onnx"), "decoder")
+	writeTestFile(t, filepath.Join(dir, "joiner.int8.onnx"), "joiner")
+	writeTestFile(t, filepath.Join(dir, "tokens.txt"), "tokens")
+}
+
 func tarArchive(t *testing.T, files map[string]string) []byte {
 	t.Helper()
 	var buf bytes.Buffer

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