refactor(*): 平台架构 - 拆分后端领域模块并同步插件协议与模型能力

backend/internal/protocol/expression_test.go

@@ -0,0 +1,92 @@
+package protocol
+
+import (
+	"context"
+	"encoding/base64"
+	"strings"
+	"testing"
+)
+
+func TestEvaluateManifestSplitToFloatDivide(t *testing.T) {
+	env := map[string]any{"request": map[string]any{"aspectRatio": "1280x720"}}
+	parts, err := evaluateManifestValue(map[string]any{"$split": []any{map[string]any{"$ref": "request.aspectRatio"}, "x"}}, env)
+	if err != nil {
+		t.Fatal(err)
+	}
+	items, ok := parts.([]any)
+	if !ok || len(items) != 2 || items[0] != "1280" || items[1] != "720" {
+		t.Fatalf("split = %#v", parts)
+	}
+	width, err := evaluateManifestValue(map[string]any{"$toFloat": map[string]any{"$at": []any{parts, 0}}}, env)
+	if err != nil {
+		t.Fatal(err)
+	}
+	height, err := evaluateManifestValue(map[string]any{"$toFloat": map[string]any{"$at": []any{parts, 1}}}, env)
+	if err != nil {
+		t.Fatal(err)
+	}
+	ratio, err := evaluateManifestValue(map[string]any{"$divide": []any{width, height}}, env)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got := manifestFloat(ratio); got < 1.77 || got > 1.78 {
+		t.Fatalf("ratio = %v", got)
+	}
+}
+
+func TestEvaluateManifestDivideRejectsZero(t *testing.T) {
+	_, err := evaluateManifestValue(map[string]any{"$divide": []any{10, 0}}, map[string]any{})
+	if err == nil || !strings.Contains(err.Error(), "denominator") {
+		t.Fatalf("error = %v", err)
+	}
+}
+
+func TestEvaluateManifestToFloatLeavesInvalidInputEmpty(t *testing.T) {
+	value, err := evaluateManifestValue(map[string]any{
+		"$coalesce": []any{
+			map[string]any{"$toFloat": "not-a-number"},
+			1,
+		},
+	}, map[string]any{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got := manifestFloat(value); got != 1 {
+		t.Fatalf("coalesced float = %v", got)
+	}
+}
+
+func TestBinaryPayloadCreateResultAudio(t *testing.T) {
+	manifest := []byte(`{
+		"apiVersion":"yingce.plugin/v1",
+		"id":"audio-bin","version":"1.0.0","name":"Audio Bin","author":"Test","documentation":"# Audio",
+		"contributes":{"providers":[{
+			"id":"openai-audio","label":"OpenAI Audio","capabilities":["audio"],"scopes":["canvas"],
+			"create":{"method":"POST","path":"/v1/audio/speech","body":{"model":{"$ref":"request.model"},"input":{"$ref":"request.prompt"}}},
+			"response":{"binaryPayload":true,"resultKind":"audio","status":"succeeded"}
+		}]}
+	}`)
+	adapter, err := LoadManifest(manifest)
+	if err != nil {
+		t.Fatal(err)
+	}
+	payload := []byte("ID3fake-mp3-bytes")
+	result, err := adapter.ParseCreate(context.Background(), payload)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.Status != StatusSucceeded || result.Result == nil || len(result.Result.Audios) != 1 {
+		t.Fatalf("result = %#v", result)
+	}
+	audio := result.Result.Audios[0]
+	if !strings.HasPrefix(audio.DataURL, "data:") || !strings.Contains(audio.DataURL, base64.StdEncoding.EncodeToString(payload)) {
+		t.Fatalf("audio dataUrl = %q", audio.DataURL)
+	}
+}
+
+func TestBinaryPayloadCreateResultRejectsEmpty(t *testing.T) {
+	_, err := binaryPayloadCreateResult("audio", nil)
+	if err == nil || !strings.Contains(err.Error(), "empty") {
+		t.Fatalf("error = %v", err)
+	}
+}