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277 lines
10 KiB
Python
Executable File
277 lines
10 KiB
Python
Executable File
"""transition_config 模块单测 — 纯逻辑，无 FFmpeg 依赖."""
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from __future__ import annotations
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import pytest
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from packages.domain.transition_config import (
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CUT_TRANSITION,
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DEFAULT_TRANSITION_DURATION,
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MAX_TRANSITION_DURATION,
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MIN_TRANSITION_DURATION,
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TransitionConfig,
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TransitionType,
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)
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# ── 常量 ──────────────────────────────────────────────────────────────────────
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class TestConstants:
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def test_duration_bounds(self):
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assert MIN_TRANSITION_DURATION == 0.3
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assert MAX_TRANSITION_DURATION == 2.0
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assert DEFAULT_TRANSITION_DURATION == 0.5
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assert MIN_TRANSITION_DURATION < DEFAULT_TRANSITION_DURATION < MAX_TRANSITION_DURATION
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def test_cut_transition(self):
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assert CUT_TRANSITION == "cut"
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# ── TransitionType 枚举 ──────────────────────────────────────────────────────
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class TestTransitionType:
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def test_all_supported_includes_all_except_cut(self):
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supported = TransitionType.all_supported()
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assert "cut" not in supported
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assert "fade" in supported
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assert "dissolve" in supported
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assert len(supported) >= 10 # 至少有10种转场
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def test_all_supported_unique(self):
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supported = TransitionType.all_supported()
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assert len(supported) == len(set(supported))
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def test_is_supported_exact_match(self):
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assert TransitionType.is_supported("fade") is True
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assert TransitionType.is_supported("dissolve") is True
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assert TransitionType.is_supported("slideleft") is True
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def test_is_supported_case_insensitive(self):
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assert TransitionType.is_supported("FADE") is True
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assert TransitionType.is_supported("Fade") is True
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assert TransitionType.is_supported("SlideLeft") is True
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def test_is_supported_with_underscores(self):
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assert TransitionType.is_supported("slide_left") is True
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assert TransitionType.is_supported("wipe_right") is True
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assert TransitionType.is_supported("circle_crop") is True
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def test_is_supported_with_hyphens(self):
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assert TransitionType.is_supported("slide-left") is True
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assert TransitionType.is_supported("wipe-down") is True
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def test_is_supported_aliases(self):
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assert TransitionType.is_supported("crossfade") is True
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assert TransitionType.is_supported("crossdissolve") is True
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assert TransitionType.is_supported("fadein") is True
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assert TransitionType.is_supported("fadeout") is True
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assert TransitionType.is_supported("slide") is True
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assert TransitionType.is_supported("wipe") is True
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assert TransitionType.is_supported("zoomin") is True
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assert TransitionType.is_supported("zoomout") is True
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assert TransitionType.is_supported("circle") is True
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assert TransitionType.is_supported("rect") is True
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def test_is_supported_unknown(self):
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assert TransitionType.is_supported("unknown_effect") is False
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assert TransitionType.is_supported("") is False
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assert TransitionType.is_supported("12345") is False
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def test_enum_values_match_ffmpeg(self):
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# 枚举值应该就是 ffmpeg xfade 的 transition 名
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assert TransitionType.FADE.value == "fade"
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assert TransitionType.DISSOLVE.value == "dissolve"
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assert TransitionType.SLIDE_LEFT.value == "slideleft"
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assert TransitionType.CUT.value == "cut"
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# ── TransitionConfig 默认值 ──────────────────────────────────────────────────
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class TestTransitionConfigDefaults:
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def test_default_config(self):
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cfg = TransitionConfig()
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assert cfg.effect == CUT_TRANSITION
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assert cfg.duration == DEFAULT_TRANSITION_DURATION
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assert cfg.is_cut is True
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def test_is_cut_true(self):
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cfg = TransitionConfig(effect="cut")
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assert cfg.is_cut is True
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def test_is_cut_false(self):
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cfg = TransitionConfig(effect="fade")
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assert cfg.is_cut is False
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# ── TransitionConfig.parse ───────────────────────────────────────────────────
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class TestTransitionConfigParse:
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def test_none_params_default(self):
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cfg = TransitionConfig.parse()
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assert cfg.effect == CUT_TRANSITION
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assert cfg.duration == DEFAULT_TRANSITION_DURATION
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def test_empty_effect_default(self):
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cfg = TransitionConfig.parse(effect="")
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assert cfg.effect == CUT_TRANSITION
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def test_whitespace_effect_default(self):
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cfg = TransitionConfig.parse(effect=" ")
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assert cfg.effect == CUT_TRANSITION
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def test_valid_effect_fade(self):
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cfg = TransitionConfig.parse(effect="fade")
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assert cfg.effect == "fade"
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assert cfg.is_cut is False
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def test_valid_effect_case_insensitive(self):
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cfg = TransitionConfig.parse(effect="FADE")
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assert cfg.effect == "fade"
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def test_valid_effect_with_underscores(self):
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cfg = TransitionConfig.parse(effect="slide_left")
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assert cfg.effect == "slideleft"
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def test_alias_effect(self):
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cfg = TransitionConfig.parse(effect="crossfade")
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assert cfg.effect == "dissolve" # 别名映射到 dissolve
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def test_unknown_effect_falls_back_to_cut(self):
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cfg = TransitionConfig.parse(effect="magic_sparkles")
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assert cfg.effect == CUT_TRANSITION
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assert cfg.is_cut is True
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def test_cut_effect_stays_cut(self):
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cfg = TransitionConfig.parse(effect="cut")
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assert cfg.effect == CUT_TRANSITION
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def test_cut_effect_case_insensitive(self):
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cfg = TransitionConfig.parse(effect="CUT")
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assert cfg.effect == CUT_TRANSITION
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def test_duration_default(self):
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cfg = TransitionConfig.parse(duration=None)
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assert cfg.duration == DEFAULT_TRANSITION_DURATION
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def test_duration_within_range(self):
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cfg = TransitionConfig.parse(duration=1.0)
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assert cfg.duration == 1.0
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def test_duration_at_min(self):
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cfg = TransitionConfig.parse(duration=MIN_TRANSITION_DURATION)
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assert cfg.duration == MIN_TRANSITION_DURATION
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def test_duration_at_max(self):
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cfg = TransitionConfig.parse(duration=MAX_TRANSITION_DURATION)
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assert cfg.duration == MAX_TRANSITION_DURATION
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def test_duration_below_min_clamped(self):
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cfg = TransitionConfig.parse(duration=0.1)
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assert cfg.duration == MIN_TRANSITION_DURATION
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def test_duration_above_max_clamped(self):
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cfg = TransitionConfig.parse(duration=3.0)
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assert cfg.duration == MAX_TRANSITION_DURATION
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def test_duration_zero_clamped(self):
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cfg = TransitionConfig.parse(duration=0)
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assert cfg.duration == MIN_TRANSITION_DURATION
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def test_duration_negative_clamped(self):
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cfg = TransitionConfig.parse(duration=-1.0)
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assert cfg.duration == MIN_TRANSITION_DURATION
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def test_duration_invalid_string_fallback(self):
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cfg = TransitionConfig.parse(duration="bad") # type: ignore[arg-type]
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assert cfg.duration == DEFAULT_TRANSITION_DURATION
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def test_duration_numeric_string(self):
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cfg = TransitionConfig.parse(duration="1.5") # type: ignore[arg-type]
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assert cfg.duration == 1.5
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def test_full_parse(self):
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cfg = TransitionConfig.parse(effect="wipe_up", duration=1.2)
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assert cfg.effect == "wipeup"
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assert cfg.duration == 1.2
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assert cfg.is_cut is False
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# ── TransitionConfig.ffmpeg_transition ───────────────────────────────────────
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class TestFfmpegTransition:
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def test_cut_returns_empty(self):
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cfg = TransitionConfig(effect="cut")
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assert cfg.ffmpeg_transition == ""
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def test_fade_matches(self):
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cfg = TransitionConfig(effect="fade")
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assert cfg.ffmpeg_transition == "fade"
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def test_dissolve_matches(self):
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cfg = TransitionConfig(effect="dissolve")
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assert cfg.ffmpeg_transition == "dissolve"
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def test_slide_left_matches(self):
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cfg = TransitionConfig(effect="slideleft")
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assert cfg.ffmpeg_transition == "slideleft"
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def test_wipe_down_matches(self):
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cfg = TransitionConfig(effect="wipedown")
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assert cfg.ffmpeg_transition == "wipedown"
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def test_zoom_matches_zoomin(self):
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cfg = TransitionConfig(effect="zoom")
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assert cfg.ffmpeg_transition == "zoomin"
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def test_circle_crop_matches(self):
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cfg = TransitionConfig(effect="circlecrop")
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assert cfg.ffmpeg_transition == "circlecrop"
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# ── TransitionConfig.validate ────────────────────────────────────────────────
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class TestTransitionConfigValidate:
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def test_valid_cut(self):
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cfg = TransitionConfig(effect="cut", duration=0.5)
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ok, err = cfg.validate()
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assert ok is True
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assert err == ""
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def test_valid_fade(self):
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cfg = TransitionConfig(effect="fade", duration=1.0)
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ok, err = cfg.validate()
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assert ok is True
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def test_duration_below_min_invalid(self):
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cfg = TransitionConfig(effect="fade", duration=0.1)
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ok, err = cfg.validate()
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assert ok is False
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assert "duration" in err
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def test_duration_above_max_invalid(self):
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cfg = TransitionConfig(effect="fade", duration=3.0)
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ok, err = cfg.validate()
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assert ok is False
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assert "duration" in err
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def test_unsupported_effect_invalid(self):
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cfg = TransitionConfig(effect="unknown", duration=0.5)
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ok, err = cfg.validate()
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assert ok is False
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assert "不支持的转场" in err
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def test_min_duration_boundary_valid(self):
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cfg = TransitionConfig(effect="fade", duration=MIN_TRANSITION_DURATION)
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ok, _ = cfg.validate()
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assert ok is True
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def test_max_duration_boundary_valid(self):
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cfg = TransitionConfig(effect="fade", duration=MAX_TRANSITION_DURATION)
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ok, _ = cfg.validate()
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assert ok is True
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