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Aether/tests/api/handlers/base/test_utils.py

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"""测试 handler 基础工具函数"""
import pytest
from src.api.handlers.base.utils import build_sse_headers, extract_cache_creation_tokens
class TestExtractCacheCreationTokens:
"""测试 extract_cache_creation_tokens 函数"""
def test_new_format_only(self) -> None:
"""测试只有新格式字段"""
usage = {
"claude_cache_creation_5_m_tokens": 100,
"claude_cache_creation_1_h_tokens": 200,
}
assert extract_cache_creation_tokens(usage) == 300
def test_new_format_5m_only(self) -> None:
"""测试只有 5 分钟缓存"""
usage = {
"claude_cache_creation_5_m_tokens": 150,
"claude_cache_creation_1_h_tokens": 0,
}
assert extract_cache_creation_tokens(usage) == 150
def test_new_format_1h_only(self) -> None:
"""测试只有 1 小时缓存"""
usage = {
"claude_cache_creation_5_m_tokens": 0,
"claude_cache_creation_1_h_tokens": 250,
}
assert extract_cache_creation_tokens(usage) == 250
def test_old_format_only(self) -> None:
"""测试只有旧格式字段"""
usage = {
"cache_creation_input_tokens": 500,
}
assert extract_cache_creation_tokens(usage) == 500
def test_both_formats_prefers_new(self) -> None:
"""测试同时存在时优先使用新格式"""
usage = {
"claude_cache_creation_5_m_tokens": 100,
"claude_cache_creation_1_h_tokens": 200,
"cache_creation_input_tokens": 999, # 应该被忽略
}
assert extract_cache_creation_tokens(usage) == 300
def test_empty_usage(self) -> None:
"""测试空字典"""
usage = {}
assert extract_cache_creation_tokens(usage) == 0
def test_all_zeros(self) -> None:
"""测试所有字段都为 0"""
usage = {
"claude_cache_creation_5_m_tokens": 0,
"claude_cache_creation_1_h_tokens": 0,
"cache_creation_input_tokens": 0,
}
assert extract_cache_creation_tokens(usage) == 0
def test_partial_new_format_with_old_format_fallback(self) -> None:
"""测试新格式字段不存在时回退到旧格式"""
usage = {
"cache_creation_input_tokens": 123,
}
assert extract_cache_creation_tokens(usage) == 123
def test_new_format_zero_should_not_fallback(self) -> None:
"""测试新格式字段存在但为 0 时,不应 fallback 到旧格式"""
usage = {
"claude_cache_creation_5_m_tokens": 0,
"claude_cache_creation_1_h_tokens": 0,
"cache_creation_input_tokens": 456,
}
# 新格式字段存在,即使值为 0 也应该使用新格式(返回 0
# 而不是 fallback 到旧格式(返回 456
assert extract_cache_creation_tokens(usage) == 0
def test_unrelated_fields_ignored(self) -> None:
"""测试忽略无关字段"""
usage = {
"input_tokens": 1000,
"output_tokens": 2000,
"cache_read_input_tokens": 300,
"claude_cache_creation_5_m_tokens": 50,
"claude_cache_creation_1_h_tokens": 75,
}
assert extract_cache_creation_tokens(usage) == 125
class TestBuildSSEHeaders:
def test_default_headers(self) -> None:
headers = build_sse_headers()
assert headers["Cache-Control"] == "no-cache, no-transform"
assert headers["X-Accel-Buffering"] == "no"
def test_merge_extra_headers(self) -> None:
headers = build_sse_headers({"X-Test": "1", "Cache-Control": "custom"})
assert headers["X-Test"] == "1"
assert headers["Cache-Control"] == "custom"