File size: 5,080 Bytes
88c4c60
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
import { describe, it, expect } from "vitest";

import { FORMATS } from "../../open-sse/translator/formats.js";
import { translateRequest } from "../../open-sse/translator/index.js";
import { claudeToOpenAIRequest } from "../../open-sse/translator/request/claude-to-openai.js";
import { filterToOpenAIFormat } from "../../open-sse/translator/helpers/openaiHelper.js";
import { parseSSELine } from "../../open-sse/utils/streamHelpers.js";

describe("request normalization", () => {
  it("claudeToOpenAIRequest flattens text-only content arrays into string", () => {
    const body = {
      messages: [
        {
          role: "user",
          content: [
            { type: "text", text: "hi" },
            { type: "text", text: "there" },
          ],
        },
      ],
    };

    const result = claudeToOpenAIRequest("gpt-oss:120b", body, true);
    expect(result.messages[0].content).toBe("hi\nthere");
  });

  it("claudeToOpenAIRequest preserves multimodal arrays", () => {
    const body = {
      messages: [
        {
          role: "user",
          content: [
            { type: "text", text: "describe" },
            {
              type: "image",
              source: {
                type: "base64",
                media_type: "image/png",
                data: "ZmFrZQ==",
              },
            },
          ],
        },
      ],
    };

    const result = claudeToOpenAIRequest("gpt-4o", body, true);
    expect(Array.isArray(result.messages[0].content)).toBe(true);
  });

  it("filterToOpenAIFormat flattens text-only arrays to string", () => {
    const body = {
      messages: [
        {
          role: "user",
          content: [
            { type: "text", text: "a" },
            { type: "text", text: "b" },
          ],
        },
      ],
    };

    const result = filterToOpenAIFormat(JSON.parse(JSON.stringify(body)));
    expect(result.messages[0].content).toBe("a\nb");
  });

  it("translateRequest keeps /v1/messages Claude->OpenAI text payloads string-safe", () => {
    const body = {
      model: "ollama/gpt-oss:120b",
      system: [{ type: "text", text: "You are helpful." }],
      messages: [
        {
          role: "user",
          content: [
            { type: "text", text: "hello" },
            { type: "text", text: "world" },
          ],
        },
      ],
      stream: true,
    };

    const result = translateRequest(
      FORMATS.CLAUDE,
      FORMATS.OPENAI,
      "gpt-oss:120b",
      JSON.parse(JSON.stringify(body)),
      true,
      null,
      "ollama",
    );

    const userMessage = result.messages.find((m) => m.role === "user");
    expect(typeof userMessage.content).toBe("string");
    expect(userMessage.content).toBe("hello\nworld");
  });

  it("translateRequest strips unsupported Anthropic output_config for MiniMax Claude-compatible endpoints", () => {
    const body = {
      model: "MiniMax-M2.7",
      system: [{ type: "text", text: "You are helpful." }],
      messages: [
        {
          role: "user",
          content: [{ type: "text", text: "continue" }],
        },
      ],
      max_tokens: 1024,
      output_config: {
        effort: "medium",
        format: {
          type: "json_schema",
          schema: {
            type: "object",
            properties: { title: { type: "string" } },
            required: ["title"],
            additionalProperties: false,
          },
        },
      },
    };

    const result = translateRequest(
      FORMATS.CLAUDE,
      FORMATS.CLAUDE,
      "MiniMax-M2.7",
      JSON.parse(JSON.stringify(body)),
      true,
      null,
      "minimax",
    );

    expect(result.output_config).toBeUndefined();
    expect(result.messages[0].content[0].text).toBe("continue");
  });

  it("translateRequest preserves output_config for Anthropic Claude", () => {
    const body = {
      model: "claude-sonnet-4.5",
      system: [{ type: "text", text: "You are helpful." }],
      messages: [
        {
          role: "user",
          content: [{ type: "text", text: "continue" }],
        },
      ],
      max_tokens: 1024,
      output_config: {
        format: { type: "json_schema", schema: { type: "object" } },
      },
    };

    const result = translateRequest(
      FORMATS.CLAUDE,
      FORMATS.CLAUDE,
      "claude-sonnet-4.5",
      JSON.parse(JSON.stringify(body)),
      true,
      null,
      "claude",
    );

    expect(result.output_config).toEqual(body.output_config);
  });

  it("parseSSELine supports provider raw NDJSON stream lines", () => {
    const raw = JSON.stringify({
      model: "gpt-oss:120b",
      message: { role: "assistant", content: "hello" },
      done: false,
    });

    const parsed = parseSSELine(raw);
    expect(parsed).toEqual({
      model: "gpt-oss:120b",
      message: { role: "assistant", content: "hello" },
      done: false,
    });
  });

  it("parseSSELine still supports SSE data lines", () => {
    const parsed = parseSSELine('data: {"choices":[{"delta":{"content":"hi"}}]}');
    expect(parsed.choices[0].delta.content).toBe("hi");
  });
});