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[Rust Frontend] Add roundtrip fixtures for more chat parsers #47883

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Merged
BugenZhao merged 3 commits into from
Jul 10, 2026
+42 −0
Merged

[Rust Frontend] Add roundtrip fixtures for more chat parsers #47883

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9acb739
[Rust Frontend] Add roundtrip fixtures for more chat parsers
reidliu41 Jul 7, 2026
5d6f619
[Rust Frontend] Drop redundant GLM-4.6 roundtrip case
BugenZhao Jul 10, 2026
e0171a9
Merge branch 'main' into roundtrip-fixture-probe
reidliu41 Jul 10, 2026
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42 changes: 42 additions & 0 deletions rust/src/chat/tests/roundtrip.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,19 @@ impl RoundtripCase {
}
}

/// MiniMax M3 invoke format with `<mm:think>` reasoning tags.
fn minimax_m3() -> Self {
Self {
model_id: "MiniMaxAI/MiniMax-M3",
assistant_stop_suffix: "[e~[\n",
tool_call_parser: ParserSelection::Auto,
reasoning_parser: ParserSelection::Auto,
thinking_behavior: ThinkingBehavior::Always { value: true },
json_fmt: compact_json_fmt(),
sort_json_keys: false,
}
}

/// DeepSeek V4 DSML tool-call format.
fn deepseek_v4() -> Self {
Self {
Expand All @@ -143,6 +156,19 @@ impl RoundtripCase {
}
}

/// GLM-4.5 XML-like argument format with `<think>` reasoning tags.
fn glm45() -> Self {
Self {
model_id: "zai-org/GLM-4.5",
assistant_stop_suffix: "",
tool_call_parser: ParserSelection::Auto,
reasoning_parser: ParserSelection::Auto,
thinking_behavior: ThinkingBehavior::Toggleable { default: true },
json_fmt: compact_json_fmt(),
sort_json_keys: false,
}
}

/// GLM-4.7 XML-like argument format with `<think>` reasoning tags.
fn glm47() -> Self {
Self {
Expand Down Expand Up @@ -209,6 +235,19 @@ impl RoundtripCase {
}
}

/// Nemotron V3 with `<think>` / `</think>` reasoning tags.
fn nemotron_v3() -> Self {
Self {
model_id: "nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16",
assistant_stop_suffix: "<|im_end|>\n",
tool_call_parser: ParserSelection::Auto,
reasoning_parser: ParserSelection::Auto,
thinking_behavior: ThinkingBehavior::Always { value: true },
json_fmt: compact_json_fmt(),
sort_json_keys: false,
}
}

/// GPT-OSS Harmony token-id renderer and native Harmony output processor.
fn gpt_oss() -> Self {
Self {
Expand Down Expand Up @@ -247,11 +286,14 @@ roundtrip_tests! {
qwen3 => [reasoning_and_content, tool_call_mix],
qwen35 => [reasoning_and_content, tool_call_mix],
minimax_m25 => [reasoning_and_content, tool_call_mix],
minimax_m3 => [reasoning_and_content, tool_call_mix],
deepseek_v4 => [reasoning_and_content, tool_call_mix],
deepseek_v32 => [tool_call_mix],
glm45 => [reasoning_and_content, tool_call_mix],
glm47 => [reasoning_and_content, tool_call_mix],
seed_oss => [reasoning_and_content],
step3p5 => [reasoning_and_content],
nemotron_v3 => [reasoning_and_content],
gemma4 => [tool_call_mix], // Gemma4 strips reasoning in history if there's no tool call
kimi_k25 => [tool_call_mix], // Kimi K2.5 strips reasoning in history
gpt_oss => [tool_call_mix], // Harmony strips reasoning in history if there's no tool call
Expand Down
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