1 files changed, 74 insertions, 0 deletions
diff --git a/tests/test_config.py b/tests/test_config.py
index 9a6bf89..b0dfac0 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -195,3 +195,77 @@ def test_rejects_empty_host(tmp_path: Path) -> None:
     )
     with pytest.raises(ConfigError, match="host"):
         load_config(path, validate_paths=False)
+
+
+def test_prompt_defaults_to_empty_when_omitted(tmp_path: Path) -> None:
+    path = tmp_path / "config.toml"
+    path.write_text(
+        f'[model]\nroot = "{tmp_path.as_posix()}"\ncheckpoint = "base.safetensors"\n',
+        encoding="utf-8",
+    )
+    config = load_config(path, validate_paths=False)
+    assert config.prompt.positive == ""
+    assert config.prompt.negative == ""
+
+
+def test_prompt_reads_files_from_root_prompts(tmp_path: Path) -> None:
+    root = tmp_path / "models"
+    (root / "checkpoints").mkdir(parents=True)
+    (root / "checkpoints" / "base.safetensors").touch()
+    (root / "prompts").mkdir()
+    (root / "prompts" / "positive.txt").write_text("masterpiece, best quality", encoding="utf-8")
+    (root / "prompts" / "negative.txt").write_text("low quality, blurry", encoding="utf-8")
+    path = tmp_path / "config.toml"
+    path.write_text(
+        f'[model]\nroot = "{root.as_posix()}"\ncheckpoint = "base.safetensors"\n'
+        '[prompt]\npositive_file = "positive.txt"\nnegative_file = "negative.txt"\n',
+        encoding="utf-8",
+    )
+    config = load_config(path)
+    assert config.prompt.positive == "masterpiece, best quality"
+    assert config.prompt.negative == "low quality, blurry"
+
+
+def test_prompt_rejects_path_traversal(tmp_path: Path) -> None:
+    root = tmp_path / "models"
+    (root / "checkpoints").mkdir(parents=True)
+    (root / "checkpoints" / "base.safetensors").touch()
+    path = tmp_path / "config.toml"
+    path.write_text(
+        f'[model]\nroot = "{root.as_posix()}"\ncheckpoint = "base.safetensors"\n'
+        '[prompt]\npositive_file = "../escape.txt"\n',
+        encoding="utf-8",
+    )
+    with pytest.raises(ConfigError, match="file name"):
+        load_config(path, validate_paths=False)
+
+
+def test_prompt_rejects_missing_file(tmp_path: Path) -> None:
+    root = tmp_path / "models"
+    (root / "checkpoints").mkdir(parents=True)
+    (root / "checkpoints" / "base.safetensors").touch()
+    path = tmp_path / "config.toml"
+    path.write_text(
+        f'[model]\nroot = "{root.as_posix()}"\ncheckpoint = "base.safetensors"\n'
+        '[prompt]\npositive_file = "absent.txt"\n',
+        encoding="utf-8",
+    )
+    with pytest.raises(ConfigError, match="prompt file"):
+        load_config(path, validate_paths=False)
+
+
+def test_prompt_accepts_only_positive(tmp_path: Path) -> None:
+    root = tmp_path / "models"
+    (root / "checkpoints").mkdir(parents=True)
+    (root / "checkpoints" / "base.safetensors").touch()
+    (root / "prompts").mkdir()
+    (root / "prompts" / "positive.txt").write_text("masterpiece", encoding="utf-8")
+    path = tmp_path / "config.toml"
+    path.write_text(
+        f'[model]\nroot = "{root.as_posix()}"\ncheckpoint = "base.safetensors"\n'
+        '[prompt]\npositive_file = "positive.txt"\n',
+        encoding="utf-8",
+    )
+    config = load_config(path)
+    assert config.prompt.positive == "masterpiece"
+    assert config.prompt.negative == ""