canned-prompts/reference/tests/test_canned_prompts.py

import argparse
from pathlib import Path

import pytest

import canned_prompts as cp


@pytest.fixture()
def package(tmp_path: Path) -> Path:
    pkg = tmp_path / "pkg"
    pkg.mkdir()
    (pkg / "prompt.yaml").write_text(
        """\
format: canned-prompt/v0.1
id: demo/hello
name: Hello
version: 1.0.0
summary: Say hello.
template: prompt.md
inputs:
  - name: person
    required: true
parameters:
  tone:
    type: enum
    values: [warm, formal]
    default: warm
""",
        encoding="utf-8",
    )
    (pkg / "prompt.md").write_text(
        "Say hello to {{ person }} in a {{ tone }} tone.\n", encoding="utf-8"
    )
    return pkg


def test_validate_and_render(package: Path) -> None:
    manifest = cp.validate_package(package)
    values = cp.resolve_values(manifest, {"person": "Ada"})
    rendered = cp.render_template((package / "prompt.md").read_text(), values)
    assert rendered == "Say hello to Ada in a warm tone.\n"


def test_missing_required_input_fails(package: Path) -> None:
    manifest = cp.validate_package(package)
    with pytest.raises(cp.CannedPromptError, match="missing required input"):
        cp.resolve_values(manifest, {})


def test_undeclared_placeholder_fails(package: Path) -> None:
    (package / "prompt.md").write_text("{{ missing }}\n", encoding="utf-8")
    with pytest.raises(cp.CannedPromptError, match="undeclared placeholders"):
        cp.validate_package(package)


def write_pkg(pkg: Path, manifest: str, template: str = "{{ greeting }}\n") -> Path:
    pkg.mkdir(exist_ok=True)
    (pkg / "prompt.yaml").write_text(manifest, encoding="utf-8")
    (pkg / "prompt.md").write_text(template, encoding="utf-8")
    return pkg


BASE = """\
format: canned-prompt/v0.1
id: demo/defaults
name: Defaults
version: 1.0.0
summary: Exercise input defaults.
template: prompt.md
"""


def test_static_default_fills_optional_input(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE
        + """\
inputs:
  - name: greeting
    required: false
    default: "hello there"
""",
    )
    manifest = cp.validate_package(pkg)
    resolution = cp.resolve_inputs(manifest, {})
    assert resolution.values["greeting"] == "hello there"
    assert resolution.origins["greeting"] == "default"
    assert cp.render_template("{{ greeting }}", resolution.values) == "hello there"


def test_supplied_value_overrides_static_default(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE
        + """\
inputs:
  - name: greeting
    required: false
    default: "hello there"
""",
    )
    manifest = cp.validate_package(pkg)
    resolution = cp.resolve_inputs(manifest, {"greeting": "hi"})
    assert resolution.values["greeting"] == "hi"
    assert resolution.origins["greeting"] == "supplied"


def test_derived_default_uses_static_fallback(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE
        + """\
dependencies:
  prompts:
    - id: context/greeting
      version: 1.0.0
      requirement: generate
inputs:
  - name: greeting
    required: false
    default:
      derive: context/greeting
      value: "(none)"
""",
    )
    manifest = cp.validate_package(pkg)
    resolution = cp.resolve_inputs(manifest, {})
    assert resolution.values["greeting"] == "(none)"
    assert resolution.origins["greeting"] == "fallback (not derived)"
    assert resolution.underivable == []


def test_derived_default_without_fallback_is_underivable(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE
        + """\
dependencies:
  prompts:
    - id: context/greeting
      version: 1.0.0
      requirement: generate
inputs:
  - name: greeting
    required: false
    default:
      derive: context/greeting
""",
    )
    manifest = cp.validate_package(pkg)
    resolution = cp.resolve_inputs(manifest, {})
    assert resolution.underivable == ["greeting"]
    assert "greeting" not in resolution.values
    with pytest.raises(cp.CannedPromptError, match="unresolved placeholder"):
        cp.render_template("{{ greeting }}", resolution.values)


def test_inline_derive_is_valid(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE
        + """\
inputs:
  - name: greeting
    required: false
    default:
      derive:
        prompt: Produce a greeting suited to the audience.
      value: "(none)"
""",
    )
    manifest = cp.validate_package(pkg)
    assert cp.resolve_inputs(manifest, {}).values["greeting"] == "(none)"


def test_default_with_required_true_fails(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE
        + """\
inputs:
  - name: greeting
    required: true
    default: "hello"
""",
    )
    with pytest.raises(cp.CannedPromptError, match="required: true"):
        cp.validate_package(pkg)


def test_derive_reference_must_be_declared(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE
        + """\
inputs:
  - name: greeting
    required: false
    default:
      derive: context/greeting
""",
    )
    with pytest.raises(cp.CannedPromptError, match="not declared in dependencies"):
        cp.validate_package(pkg)


def test_inline_derive_cannot_also_reference(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE
        + """\
inputs:
  - name: greeting
    required: false
    default:
      derive:
        prompt: Produce a greeting.
        id: context/greeting
""",
    )
    with pytest.raises(cp.CannedPromptError, match="cannot also reference"):
        cp.validate_package(pkg)


MINIMAL = """\
format: canned-prompt/v0.1
id: practice/thing
name: Thing
version: 1.0.0
summary: A thing.
template: prompt.md
inputs:
  - name: greeting
    required: false
    default: hi
"""


def test_parse_reference() -> None:
    assert cp.parse_reference("practice/thing") == (None, "practice/thing")
    assert cp.parse_reference("house:practice/thing") == ("house", "practice/thing")
    with pytest.raises(cp.CannedPromptError, match="malformed reference"):
        cp.parse_reference("house:")


def test_registry_name_falls_back_to_basename(tmp_path: Path) -> None:
    registry = tmp_path / "upstream"
    registry.mkdir()
    assert cp.registry_name(registry) == "upstream"


def test_registry_name_from_manifest(tmp_path: Path) -> None:
    registry = tmp_path / "some-dir"
    registry.mkdir()
    (registry / "registry.yaml").write_text(
        "format: canned-prompt-registry/v0.1\nname: house\n", encoding="utf-8"
    )
    assert cp.registry_name(registry) == "house"


def test_registry_manifest_rejects_bad_format(tmp_path: Path) -> None:
    registry = tmp_path / "r"
    registry.mkdir()
    (registry / "registry.yaml").write_text(
        "format: something-else\nname: house\n", encoding="utf-8"
    )
    with pytest.raises(cp.CannedPromptError, match="unsupported registry format"):
        cp.read_registry_manifest(registry)


def test_registry_manifest_rejects_bad_policy(tmp_path: Path) -> None:
    registry = tmp_path / "r"
    registry.mkdir()
    (registry / "registry.yaml").write_text(
        "format: canned-prompt-registry/v0.1\n"
        "name: house\n"
        "namespaces:\n  practice:\n    policy: maybe\n",
        encoding="utf-8",
    )
    with pytest.raises(cp.CannedPromptError, match="policy must be"):
        cp.read_registry_manifest(registry)


def test_namespace_policy(tmp_path: Path) -> None:
    registry = tmp_path / "r"
    registry.mkdir()
    (registry / "registry.yaml").write_text(
        "format: canned-prompt-registry/v0.1\n"
        "name: house\n"
        "namespaces:\n  practice:\n    owner: Ada\n    policy: closed\n",
        encoding="utf-8",
    )
    assert cp.namespace_policy(registry, "practice/thing")[0] == "closed"
    assert cp.namespace_policy(registry, "scratch/thing")[0] == "open"


def install_into(catalog: Path, registry: str) -> None:
    """Place a package in the catalog under a given registry name."""
    dst = cp.catalog_package_path(catalog, registry, "practice/thing", "1.0.0")
    dst.mkdir(parents=True)
    (dst / "prompt.yaml").write_text(MINIMAL, encoding="utf-8")
    (dst / "prompt.md").write_text("{{ greeting }}\n", encoding="utf-8")


def test_same_id_from_two_registries_coexists(tmp_path: Path) -> None:
    catalog = tmp_path / "catalog"
    install_into(catalog, "house")
    install_into(catalog, "upstream")
    assert cp.catalog_registries(catalog) == ["house", "upstream"]

    package_dir, registry = cp.resolve_installed(catalog, "house:practice/thing", None)
    assert registry == "house"
    assert package_dir.is_dir()


def test_bare_id_in_two_registries_is_ambiguous(tmp_path: Path) -> None:
    catalog = tmp_path / "catalog"
    install_into(catalog, "house")
    install_into(catalog, "upstream")
    with pytest.raises(cp.CannedPromptError, match="more than one registry"):
        cp.resolve_installed(catalog, "practice/thing", None)


def test_bare_id_in_one_registry_resolves(tmp_path: Path) -> None:
    catalog = tmp_path / "catalog"
    install_into(catalog, "house")
    _, registry = cp.resolve_installed(catalog, "practice/thing", None)
    assert registry == "house"


def test_legacy_catalog_layout_is_reported(tmp_path: Path) -> None:
    catalog = tmp_path / "catalog"
    legacy = catalog / "practice" / "thing" / "1.0.0"
    legacy.mkdir(parents=True)
    (legacy / "prompt.yaml").write_text(MINIMAL, encoding="utf-8")
    (legacy / "prompt.md").write_text("{{ greeting }}\n", encoding="utf-8")
    with pytest.raises(cp.CannedPromptError, match="pre-registry-scoped"):
        cp.resolve_installed(catalog, "practice/thing", None)


# --- version selectors (§ 10.1) ---

AVAILABLE = ["2.1.0", "2.0.0", "1.5.0", "1.0.0"]


@pytest.mark.parametrize(
    "available,selector,expected",
    [
        (AVAILABLE, None, "2.1.0"),
        (AVAILABLE, "any", "2.1.0"),
        (AVAILABLE, "newest", "2.1.0"),
        (AVAILABLE, "1.5.0", "1.5.0"),
        (AVAILABLE, ">=2.0.0", "2.1.0"),
        (AVAILABLE, "9.9.9", None),
        (AVAILABLE, ">=9.9.9", None),
        (["1.5.0", "1.0.0"], ">=1.2.0", "1.5.0"),
        ([], "newest", None),
    ],
)
def test_select_version(available, selector, expected) -> None:
    assert cp.select_version(available, selector) == expected


@pytest.mark.parametrize("bad", ["^1.0.0", "~1.2", "1.x", ">=nope", "", "latest"])
def test_range_syntax_is_rejected(bad) -> None:
    with pytest.raises(cp.CannedPromptError):
        cp.validate_version_selector(bad, "dep")


# --- composition (§ 10.2) ---

FRAGMENT = """\
format: canned-prompt/v0.1
id: style/house
name: House Style
version: 1.0.0
summary: Shared style block.
type: fragment
template: prompt.md
parameters:
  tone:
    type: enum
    values: [neutral, blunt]
    default: neutral
"""

COMPOSER = """\
format: canned-prompt/v0.1
id: review/change
name: Change Review
version: 1.0.0
summary: Composes the shared style block.
template: prompt.md
dependencies:
  prompts:
    - id: style/house
      version: 1.0.0
inputs:
  - name: house_style
    required: false
    default:
      include: style/house
parameters:
  tone:
    type: enum
    values: [neutral, blunt]
    default: blunt
"""


def place(catalog: Path, registry: str, package_id: str, version: str,
          manifest: str, template: str) -> None:
    dst = cp.catalog_package_path(catalog, registry, package_id, version)
    dst.mkdir(parents=True)
    (dst / "prompt.yaml").write_text(manifest, encoding="utf-8")
    (dst / "prompt.md").write_text(template, encoding="utf-8")


@pytest.fixture()
def composed(tmp_path: Path) -> Path:
    catalog = tmp_path / "catalog"
    place(catalog, "local", "style/house", "1.0.0", FRAGMENT, "Tone is {{ tone }}.")
    place(catalog, "local", "review/change", "1.0.0", COMPOSER, "S: {{ house_style }}")
    return catalog


def test_include_inlines_rendered_template(composed: Path) -> None:
    package_dir, _ = cp.resolve_installed(composed, "review/change", None)
    manifest = cp.validate_package(package_dir)
    resolution = cp.resolve_inputs(manifest, {}, composer=cp.CatalogComposer(composed))
    assert resolution.values["house_style"] == "Tone is blunt."
    assert resolution.origins["house_style"] == "included from style/house"


def test_include_inherits_outer_parameters(composed: Path) -> None:
    """The fragment's own default is neutral; the including package says blunt."""
    package_dir, _ = cp.resolve_installed(composed, "review/change", None)
    manifest = cp.validate_package(package_dir)
    resolution = cp.resolve_inputs(
        manifest, {"tone": "neutral"}, composer=cp.CatalogComposer(composed)
    )
    assert resolution.values["house_style"] == "Tone is neutral."


def test_include_without_composer_falls_back_to_unresolved(composed: Path) -> None:
    package_dir, _ = cp.resolve_installed(composed, "review/change", None)
    manifest = cp.validate_package(package_dir)
    resolution = cp.resolve_inputs(manifest, {})
    assert resolution.underivable == ["house_style"]


def test_inclusion_cycle_is_detected(tmp_path: Path) -> None:
    catalog = tmp_path / "catalog"
    for this, other in (("cyc/a", "cyc/b"), ("cyc/b", "cyc/a")):
        manifest = (
            "format: canned-prompt/v0.1\n"
            f"id: {this}\nname: X\nversion: 1.0.0\nsummary: s\ntemplate: prompt.md\n"
            f"dependencies:\n  prompts:\n    - id: {other}\n      version: 1.0.0\n"
            f"inputs:\n  - name: other\n    required: false\n"
            f"    default:\n      include: {other}\n"
        )
        place(catalog, "local", this, "1.0.0", manifest, "{{ other }}")
    package_dir, _ = cp.resolve_installed(catalog, "cyc/a", None)
    manifest = cp.validate_package(package_dir)
    with pytest.raises(cp.CannedPromptError, match="inclusion cycle"):
        cp.resolve_inputs(manifest, {}, composer=cp.CatalogComposer(catalog))


def test_include_and_derive_together_is_rejected(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE
        + """\
dependencies:
  prompts:
    - id: style/house
      version: 1.0.0
inputs:
  - name: greeting
    required: false
    default:
      include: style/house
      derive: style/house
""",
    )
    with pytest.raises(cp.CannedPromptError, match="at most one of"):
        cp.validate_package(pkg)


def test_composed_dependency_must_declare_a_version(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE
        + """\
dependencies:
  prompts:
    - id: style/house
inputs:
  - name: greeting
    required: false
    default:
      include: style/house
""",
    )
    with pytest.raises(cp.CannedPromptError, match="must declare a version"):
        cp.validate_package(pkg)


# --- evals (§ 12) ---

EVAL_BASE = """\
format: canned-prompt/v0.1
id: demo/evaluated
name: Evaluated
version: 1.0.0
summary: Exercise eval files.
template: prompt.md
examples:
- examples/basic.yaml
evals:
- evals/quality.yaml
"""


def write_evaluated(pkg: Path, eval_body: str, template: str = "Sum to 100%. {{ topic }}\n") -> Path:
    pkg.mkdir(exist_ok=True)
    (pkg / "prompt.yaml").write_text(
        EVAL_BASE + "inputs:\n  - name: topic\n    required: false\n    default: cats\n",
        encoding="utf-8",
    )
    (pkg / "prompt.md").write_text(template, encoding="utf-8")
    (pkg / "examples").mkdir(exist_ok=True)
    (pkg / "examples" / "basic.yaml").write_text(
        "name: basic\nvalues:\n  topic: dogs\n", encoding="utf-8"
    )
    (pkg / "evals").mkdir(exist_ok=True)
    (pkg / "evals" / "quality.yaml").write_text(eval_body, encoding="utf-8")
    return pkg


RUBRIC = """\
schema: canned-prompts/eval-rubric/v0.1
name: quality
example: examples/basic.yaml
render:
  - contains: "Sum to 100%"
  - not_contains: "{{"
  - resolves_all: true
output:
  criteria:
    - Answers the question.
"""


def test_valid_eval_passes_validation(tmp_path: Path) -> None:
    pkg = write_evaluated(tmp_path / "p", RUBRIC)
    assert cp.validate_package(pkg)["id"] == "demo/evaluated"


def test_eval_must_declare_a_schema(tmp_path: Path) -> None:
    pkg = write_evaluated(tmp_path / "p", "name: quality\nrender: []\n")
    with pytest.raises(cp.CannedPromptError, match="must declare a schema"):
        cp.validate_package(pkg)


def test_unknown_eval_schema_is_ignored(tmp_path: Path) -> None:
    pkg = write_evaluated(tmp_path / "p", "schema: someone/else/v1\nwhatever: true\n")
    assert cp.validate_package(pkg)["id"] == "demo/evaluated"


def test_eval_asserting_nothing_is_rejected(tmp_path: Path) -> None:
    pkg = write_evaluated(
        tmp_path / "p", "schema: canned-prompts/eval-rubric/v0.1\nname: empty\n"
    )
    with pytest.raises(cp.CannedPromptError, match="asserts nothing"):
        cp.validate_package(pkg)


def test_unknown_render_check_is_rejected(tmp_path: Path) -> None:
    pkg = write_evaluated(
        tmp_path / "p",
        "schema: canned-prompts/eval-rubric/v0.1\nname: q\nrender:\n  - matches: 'x.*'\n",
    )
    with pytest.raises(cp.CannedPromptError, match="unknown render check"):
        cp.validate_package(pkg)


def test_eval_example_must_be_declared(tmp_path: Path) -> None:
    pkg = write_evaluated(
        tmp_path / "p",
        "schema: canned-prompts/eval-rubric/v0.1\nname: q\n"
        "example: examples/missing.yaml\nrender:\n  - contains: x\n",
    )
    with pytest.raises(cp.CannedPromptError, match="not declared in the manifest"):
        cp.validate_package(pkg)


def test_render_checks_evaluate(tmp_path: Path) -> None:
    resolution = cp.Resolution(values={"topic": "dogs"}, origins={"topic": "supplied"})
    checks = [{"contains": "dogs"}, {"contains": "cats"}, {"not_contains": "cats"}]
    outcomes = cp.run_render_checks("about dogs", resolution, checks)
    assert [ok for ok, _ in outcomes] == [True, False, True]


def test_resolves_all_reports_unresolved_names() -> None:
    resolution = cp.Resolution(
        values={"a": 1}, origins={"a": "supplied", "b": "unresolved (no default)"}
    )
    outcomes = cp.run_render_checks("text", resolution, [{"resolves_all": True}])
    assert outcomes[0][0] is False
    assert "b" in outcomes[0][1]


def test_typed_fixture_values_are_not_reparsed(tmp_path: Path) -> None:
    """A YAML fixture carries real types; only CLI strings need parsing."""
    manifest = {"parameters": {"flag": {"type": "boolean", "default": False}}}
    assert cp.resolve_inputs(manifest, {"flag": True}).values["flag"] is True


# --- context and capability dependencies (§ 10.1, § 10.2) ---

def ctx_pkg(tmp_path: Path, body: str) -> Path:
    return write_pkg(tmp_path / "p", BASE + body, "hello\n")


def test_context_dependency_requires_name_and_description(tmp_path: Path) -> None:
    pkg = ctx_pkg(
        tmp_path,
        "dependencies:\n  context:\n    - name: repository-tree\n"
        "      description: A listing of the repository.\n",
    )
    assert cp.validate_package(pkg)["id"] == "demo/defaults"


def test_context_dependency_without_description_is_rejected(tmp_path: Path) -> None:
    pkg = ctx_pkg(tmp_path, "dependencies:\n  context:\n    - name: repository-tree\n")
    with pytest.raises(cp.CannedPromptError, match="must declare a description"):
        cp.validate_package(pkg)


def test_context_dependency_using_id_is_rejected(tmp_path: Path) -> None:
    """Context entries use `name`; `id` would imply resolvable package identity."""
    pkg = ctx_pkg(
        tmp_path,
        "dependencies:\n  context:\n    - id: policy/security\n"
        "      description: A policy.\n",
    )
    with pytest.raises(cp.CannedPromptError, match="not 'id'"):
        cp.validate_package(pkg)


def test_context_requirement_generate_is_rejected(tmp_path: Path) -> None:
    pkg = ctx_pkg(
        tmp_path,
        "dependencies:\n  context:\n    - name: repository-tree\n"
        "      description: A listing.\n      requirement: generate\n",
    )
    with pytest.raises(cp.CannedPromptError, match="required' or 'optional"):
        cp.validate_package(pkg)


@pytest.mark.parametrize("name", ["web-search", "code-analysis", "vision", "a1-b2"])
def test_valid_capability_names(name) -> None:
    assert cp.validate_capabilities([name], "dependencies.capabilities") == [name]


@pytest.mark.parametrize("name", ["Web-Search", "web_search", "-lead", "trail-", ""])
def test_invalid_capability_names(name) -> None:
    with pytest.raises(cp.CannedPromptError, match="kebab-case"):
        cp.validate_capabilities([name], "dependencies.capabilities")


def test_capability_may_be_both_required_and_observed(tmp_path: Path) -> None:
    """§ 9.1: required to run at all, and separately observed to work well."""
    pkg = ctx_pkg(
        tmp_path,
        "dependencies:\n  capabilities:\n    - web-search\n"
        "compatibility:\n  capabilities:\n    - web-search\n    - long-context\n",
    )
    manifest = cp.validate_package(pkg)
    assert manifest["dependencies"]["capabilities"] == ["web-search"]
    assert "long-context" in manifest["compatibility"]["capabilities"]


# --- semver precedence and prereleases (§ 17.1) ---

def test_release_outranks_its_prerelease() -> None:
    assert cp.parse_semver("1.0.0") > cp.parse_semver("1.0.0-rc1")


def test_prerelease_ordering_follows_semver() -> None:
    ordered = sorted(
        ["1.0.0", "1.0.0-rc.2", "1.0.0-rc.10", "1.0.0-alpha", "0.9.0"],
        key=cp.parse_semver,
        reverse=True,
    )
    assert ordered == ["1.0.0", "1.0.0-rc.10", "1.0.0-rc.2", "1.0.0-alpha", "0.9.0"]


def test_build_metadata_is_ignored_for_precedence() -> None:
    assert cp.parse_semver("1.0.0+build.1") == cp.parse_semver("1.0.0+build.2")


@pytest.mark.parametrize("selector", ["newest", "any", ">=1.0.0", None])
def test_prerelease_is_not_selected_implicitly(selector) -> None:
    available = ["1.1.0-rc1", "1.0.0"]
    assert cp.select_version(available, selector) == "1.0.0"


def test_exact_pin_selects_a_prerelease() -> None:
    assert cp.select_version(["1.1.0-rc1", "1.0.0"], "1.1.0-rc1") == "1.1.0-rc1"


def test_only_prereleases_available_selects_nothing() -> None:
    assert cp.select_version(["1.0.0-rc1"], "newest") is None


def test_prerelease_only_package_reports_why(tmp_path: Path) -> None:
    catalog = tmp_path / "catalog"
    place(catalog, "local", "practice/thing", "1.0.0-rc1", MINIMAL.replace(
        "version: 1.0.0", "version: 1.0.0-rc1"), "{{ greeting }}\n")
    with pytest.raises(cp.CannedPromptError, match="only prerelease versions"):
        cp.resolve_installed(catalog, "practice/thing", None)


# --- strict packaging (§ 2) ---

def test_only_reserved_and_referenced_paths_are_packaged(tmp_path: Path) -> None:
    src = write_evaluated(tmp_path / "src", RUBRIC)
    (src / "LICENSE").write_text("MIT\n", encoding="utf-8")
    (src / "notes.txt").write_text("scratch\n", encoding="utf-8")
    (src / ".git").mkdir()
    (src / ".git" / "config").write_text("junk\n", encoding="utf-8")

    manifest = cp.validate_package(src)
    dst = tmp_path / "out"
    skipped = cp.copy_package(src, dst, manifest, "package")

    packaged = sorted(p.relative_to(dst).as_posix() for p in dst.rglob("*") if p.is_file())
    assert packaged == [
        "LICENSE",
        "evals/quality.yaml",
        "examples/basic.yaml",
        "prompt.md",
        "prompt.yaml",
    ]
    assert skipped == [".git/", "notes.txt"]


def test_packaged_copy_is_still_valid(tmp_path: Path) -> None:
    src = write_evaluated(tmp_path / "src", RUBRIC)
    manifest = cp.validate_package(src)
    dst = tmp_path / "out"
    cp.copy_package(src, dst, manifest, "package")
    assert cp.validate_package(dst)["id"] == "demo/evaluated"


def test_copy_refuses_to_overwrite(tmp_path: Path) -> None:
    src = write_evaluated(tmp_path / "src", RUBRIC)
    manifest = cp.validate_package(src)
    dst = tmp_path / "out"
    cp.copy_package(src, dst, manifest, "package")
    with pytest.raises(cp.CannedPromptError, match="already exists"):
        cp.copy_package(src, dst, manifest, "package")


# --- format revisions (§ 3.2) ---

@pytest.mark.parametrize("declared", ["canned-prompt/v0.2", "canned-prompt/v0.1"])
def test_both_format_revisions_are_accepted(tmp_path: Path, declared) -> None:
    """v0.2 is additive, so a v0.1 package means exactly what it always meant."""
    pkg = write_pkg(
        tmp_path / "p",
        BASE.replace("canned-prompt/v0.1", declared)
        + "inputs:\n  - name: greeting\n    required: false\n    default: hi\n",
    )
    assert cp.validate_package(pkg)["format"] == declared


def test_unknown_format_is_rejected(tmp_path: Path) -> None:
    pkg = write_pkg(
        tmp_path / "p",
        BASE.replace("canned-prompt/v0.1", "canned-prompt/v9.9")
        + "inputs:\n  - name: greeting\n    required: false\n    default: hi\n",
    )
    with pytest.raises(cp.CannedPromptError, match="unsupported format"):
        cp.validate_package(pkg)


# --- unsatisfied dependencies are reported, not fetched (§ 10) ---

def test_missing_dependency_is_reported(composed: Path) -> None:
    """Installing a composing package without its fragment must not look fine."""
    package_dir, _ = cp.resolve_installed(composed, "review/change", None)
    manifest = cp.validate_package(package_dir)
    empty = composed.parent / "empty-catalog"
    assert cp.missing_dependencies(empty, manifest) == ["style/house@1.0.0"]


def test_present_dependency_is_not_reported(composed: Path) -> None:
    package_dir, _ = cp.resolve_installed(composed, "review/change", None)
    manifest = cp.validate_package(package_dir)
    assert cp.missing_dependencies(composed, manifest) == []


def test_dependency_present_but_wrong_version_is_reported(composed: Path) -> None:
    package_dir, _ = cp.resolve_installed(composed, "review/change", None)
    manifest = cp.validate_package(package_dir)
    manifest["dependencies"]["prompts"][0]["version"] = "9.9.9"
    assert cp.missing_dependencies(composed, manifest) == ["style/house@9.9.9"]


# --- catalog index (§ 20.3) ---

def indexed(tmp_path: Path) -> tuple[Path, dict]:
    store = tmp_path / "catalog"
    manifest = {"id": "helix/thing", "version": "1.0.0", "name": "Thing",
                "license": "MIT", "provenance": {"author": "Ada", "source": "~/somewhere"}}
    return store, manifest


def test_index_starts_empty(tmp_path: Path) -> None:
    store, _ = indexed(tmp_path)
    assert cp.read_index(store)["entries"] == []


def test_record_inclusion_captures_source_and_date(tmp_path: Path) -> None:
    store, manifest = indexed(tmp_path)
    entry = cp.record_inclusion(store, "local", manifest, "/src/thing", "add")
    assert entry["id"] == "helix/thing"
    assert entry["source"] == "/src/thing"
    assert entry["method"] == "add"
    assert entry["declared_author"] == "Ada"
    assert entry["declared_source"] == "~/somewhere"
    assert entry["license"] == "MIT"
    assert entry["included_at"].endswith("Z")
    assert cp.read_index(store)["entries"] == [entry]


def test_reincluding_keeps_the_original_date(tmp_path: Path) -> None:
    """When a package first entered is a fact about history, not about reruns."""
    store, manifest = indexed(tmp_path)
    first = cp.record_inclusion(store, "local", manifest, "/src/thing", "add")
    again = cp.record_inclusion(store, "local", manifest, "/elsewhere", "install")
    assert again["included_at"] == first["included_at"]
    assert "last_seen_at" in again
    assert len(cp.read_index(store)["entries"]) == 1


def test_distinct_versions_are_separate_entries(tmp_path: Path) -> None:
    store, manifest = indexed(tmp_path)
    cp.record_inclusion(store, "local", manifest, "/src", "add")
    cp.record_inclusion(store, "local", {**manifest, "version": "1.1.0"}, "/src", "add")
    assert len(cp.read_index(store)["entries"]) == 2


def test_same_id_from_two_registries_is_two_entries(tmp_path: Path) -> None:
    store, manifest = indexed(tmp_path)
    cp.record_inclusion(store, "local", manifest, "/a", "add")
    cp.record_inclusion(store, "house", manifest, "/b", "install")
    assert len(cp.read_index(store)["entries"]) == 2


def test_bad_index_format_is_rejected(tmp_path: Path) -> None:
    store, _ = indexed(tmp_path)
    store.mkdir(parents=True)
    (store / "index.yaml").write_text("format: something/else\nentries: []\n", encoding="utf-8")
    with pytest.raises(cp.CannedPromptError, match="unsupported index format"):
        cp.read_index(store)


# --- inclusion diamonds (§ 10.4) ---

def test_no_duplicate_when_inclusions_differ() -> None:
    resolution = cp.Resolution(
        values={"a": "alpha text", "b": "beta text"},
        origins={"a": "included from x/a", "b": "included from x/b"},
    )
    assert cp.duplicate_inclusions(resolution) == []


def test_two_inputs_including_the_same_thing_is_flagged() -> None:
    resolution = cp.Resolution(
        values={"a": "shared text", "b": "shared text"},
        origins={"a": "included from x/shared", "b": "included from x/shared"},
    )
    assert cp.duplicate_inclusions(resolution) == ["a", "b"]


def test_nested_inheritance_duplication_is_flagged() -> None:
    """The common case: an included package inherits an outer input by name."""
    resolution = cp.Resolution(
        values={"conventions": "RULES", "routine": "step one\nRULES\nstep two"},
        origins={
            "conventions": "included from team/conventions",
            "routine": "included from team/routine",
        },
    )
    assert cp.duplicate_inclusions(resolution) == ["conventions"]


def test_supplied_values_are_not_flagged() -> None:
    """Only inclusions are checked; a caller repeating text is their business."""
    resolution = cp.Resolution(
        values={"a": "same", "b": "same"},
        origins={"a": "supplied", "b": "supplied"},
    )
    assert cp.duplicate_inclusions(resolution) == []


def test_empty_inclusion_is_not_flagged() -> None:
    resolution = cp.Resolution(
        values={"a": "", "b": "anything"},
        origins={"a": "included from x/empty", "b": "included from x/b"},
    )
    assert cp.duplicate_inclusions(resolution) == []


# --- default registry naming (CANP-WP-0003) ---

def test_default_registry_is_named_default(tmp_path: Path, monkeypatch) -> None:
    monkeypatch.setenv("CANNED_PROMPTS_HOME", str(tmp_path))
    assert cp.default_registry().name == "default"


def test_legacy_registry_is_reported_not_ignored(tmp_path: Path, monkeypatch) -> None:
    """A fresh empty store beside a populated one would be worse than the wart."""
    monkeypatch.setenv("CANNED_PROMPTS_HOME", str(tmp_path))
    (tmp_path / "registry").mkdir()
    with pytest.raises(cp.CannedPromptError, match="default registry moved"):
        cp.check_legacy_registry(cp.default_registry())


def test_no_complaint_once_migrated(tmp_path: Path, monkeypatch) -> None:
    monkeypatch.setenv("CANNED_PROMPTS_HOME", str(tmp_path))
    (tmp_path / "default").mkdir()
    (tmp_path / "registry").mkdir()
    cp.check_legacy_registry(cp.default_registry())


def test_explicit_registry_path_is_never_second_guessed(tmp_path: Path, monkeypatch) -> None:
    monkeypatch.setenv("CANNED_PROMPTS_HOME", str(tmp_path))
    (tmp_path / "registry").mkdir()
    cp.check_legacy_registry(tmp_path / "somewhere-else")


# --- HTTP registries (§ 20.4) ---

def test_http_registry_detection() -> None:
    assert cp.is_http_registry("https://registry.example")
    assert cp.is_http_registry("http://localhost:8878")
    assert not cp.is_http_registry("/home/user/.canned-prompts/default")


def test_encode_decode_round_trips_a_package(tmp_path: Path) -> None:
    """The wire shape must reproduce the package byte for byte."""
    src = write_evaluated(tmp_path / "src", RUBRIC)
    (src / "assets").mkdir()
    (src / "assets" / "binary.dat").write_bytes(bytes(range(256)))
    manifest = cp.validate_package(src)

    files = cp.encode_files(src, manifest)
    assert "base64" in files["assets/binary.dat"], "non-UTF-8 must not go as text"

    out = tmp_path / "out"
    out.mkdir()
    cp.decode_files(files, out)
    for relative in cp.package_members(src, manifest):
        assert (out / relative).read_bytes() == (src / relative).read_bytes()


def test_decode_refuses_path_traversal(tmp_path: Path) -> None:
    """A registry is untrusted input (§ 19); it must not write outside the package."""
    with pytest.raises(cp.CannedPromptError, match="unsafe path"):
        cp.decode_files({"../escape.txt": {"text": "no"}}, tmp_path)


def test_publish_to_http_requires_a_registry_name(tmp_path: Path, monkeypatch) -> None:
    """§ 20.4: a URL hosts several registries, so it cannot name one."""
    src = write_pkg(tmp_path / "p", BASE + "inputs:\n  - name: greeting\n    required: false\n    default: hi\n")
    args = argparse.Namespace(
        path=str(src), registry="https://registry.example", as_registry=None
    )
    with pytest.raises(cp.CannedPromptError, match="needs --as NAME"):
        cp.cmd_publish(args)


def test_http_errors_surface_the_registry_detail(monkeypatch) -> None:
    import urllib.error, io

    def raise_conflict(*a, **k):
        raise urllib.error.HTTPError(
            "u", 409, "Conflict", {}, io.BytesIO(b'{"detail":"already exists"}')
        )

    monkeypatch.setattr(cp.urllib.request, "urlopen", raise_conflict)
    with pytest.raises(cp.CannedPromptError, match="registry refused \\(409\\): already exists"):
        cp.http_request("https://registry.example/packages")


def test_unreachable_registry_is_reported_clearly(monkeypatch) -> None:
    import urllib.error

    def raise_urlerror(*a, **k):
        raise urllib.error.URLError("connection refused")

    monkeypatch.setattr(cp.urllib.request, "urlopen", raise_urlerror)
    with pytest.raises(cp.CannedPromptError, match="registry unreachable"):
        cp.http_request("https://registry.example/packages")