103 lines
3.1 KiB
Python
103 lines
3.1 KiB
Python
from __future__ import annotations
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import json
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from pathlib import Path
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import pytest
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from workflows import WorkflowBuilder, WorkflowError, fit_latent_size
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BASE = Path(__file__).resolve().parents[1] / "workflows"
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def make_builder() -> WorkflowBuilder:
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return WorkflowBuilder(
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BASE / "txt2img.json",
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BASE / "img2img.json",
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BASE / "mapping.json",
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)
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def test_build_txt2img() -> None:
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builder = make_builder()
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workflow = builder.build_txt2img(prompt="cat", negative="bad", seed=123)
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assert workflow["67"]["inputs"]["text"] == "cat"
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assert workflow["71"]["inputs"]["text"] == "bad"
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assert workflow["70"]["inputs"]["seed"] == 123
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assert workflow["81"]["class_type"] == "EmptySD3LatentImage"
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assert workflow["70"]["inputs"]["denoise"] == 1.0
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def test_build_img2img() -> None:
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builder = make_builder()
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workflow = builder.build_img2img(
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prompt="make blue",
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negative="bad",
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seed=7,
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image_name="input.png",
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)
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assert workflow["25"]["inputs"]["prompt"] == "make blue"
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assert workflow["25"]["inputs"]["vae"] == ["19", 2]
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assert workflow["10"]["inputs"]["text"] == "bad"
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assert workflow["3"]["inputs"]["noise_seed"] == 7
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assert workflow["3"]["inputs"]["steps"] == 10
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assert workflow["3"]["inputs"]["sampler_name"] == "dpmpp_2m"
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assert workflow["3"]["inputs"]["scheduler"] == "karras"
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assert workflow["20"]["class_type"] == "LoadImage"
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assert workflow["20"]["inputs"]["image"] == "input.png"
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assert workflow["15"]["inputs"]["width"] == 1024
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assert workflow["15"]["inputs"]["height"] == 1024
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def test_build_img2img_custom_size() -> None:
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builder = make_builder()
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workflow = builder.build_img2img(
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prompt="make blue",
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negative="bad",
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seed=7,
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image_name="input.png",
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width=832,
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height=1216,
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)
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assert workflow["15"]["inputs"]["width"] == 832
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assert workflow["15"]["inputs"]["height"] == 1216
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def test_fit_latent_size_preserves_aspect_ratio() -> None:
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assert fit_latent_size(1024, 1024) == (1024, 1024)
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width, height = fit_latent_size(1080, 1920)
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assert width % 16 == 0
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assert height % 16 == 0
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assert height > width
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assert max(width, height) <= 1536
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width, height = fit_latent_size(4000, 3000)
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assert width % 16 == 0
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assert height % 16 == 0
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assert width > height
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def test_fit_latent_size_fallback_for_invalid_size() -> None:
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assert fit_latent_size(0, 100) == (1024, 1024)
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def test_templates_are_not_mutated() -> None:
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builder = make_builder()
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builder.build_txt2img(prompt="first", negative="bad", seed=1)
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second = builder.build_txt2img(prompt="second", negative="bad", seed=2)
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assert second["67"]["inputs"]["text"] == "second"
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def test_invalid_mapping(tmp_path: Path) -> None:
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mapping = json.loads((BASE / "mapping.json").read_text(encoding="utf-8"))
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mapping["txt2img"]["positive"] = "999"
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path = tmp_path / "mapping.json"
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path.write_text(json.dumps(mapping), encoding="utf-8")
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with pytest.raises(WorkflowError):
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WorkflowBuilder(BASE / "txt2img.json", BASE / "img2img.json", path)
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