ChristianLempa_Boilerplates/tests/test_template.py

"""Tests for the 0.2.0 template.json runtime."""

from __future__ import annotations

import base64
import json
from pathlib import Path

import pytest

from cli.core.exceptions import TemplateLoadError, TemplateValidationError
from cli.core.library import Library
from cli.core.template import Template, normalize_template_slug

CHARACTER_SECRET_LENGTH = 40
BASE64_SECRET_BYTES = 12


def _write_template_json(template_dir: Path, manifest: dict, files: dict[str, str]) -> None:
    template_dir.mkdir(parents=True, exist_ok=True)
    (template_dir / "template.json").write_text(json.dumps(manifest, indent=2), encoding="utf-8")

    files_dir = template_dir / "files"
    for relative_path, content in files.items():
        target = files_dir / relative_path
        target.parent.mkdir(parents=True, exist_ok=True)
        target.write_text(content, encoding="utf-8")


def test_template_json_renders_all_files_and_normalizes_items(tmp_path: Path) -> None:
    """The new manifest shape should normalize variables[].items and render every file in files/."""
    template_dir = tmp_path / "compose" / "demo"
    _write_template_json(
        template_dir,
        {
            "slug": "demo",
            "kind": "compose",
            "metadata": {
                "name": "Demo",
                "description": "Demo template",
                "tags": ["test"],
                "version": {
                    "name": "v1.0.0",
                    "source_dep_name": "ghcr.io/example/demo",
                    "source_dep_version": "1.0.0",
                    "source_dep_digest": "sha256:deadbeef",
                    "upstream_ref": "release-2026-04-22",
                    "notes": "Pinned to the tested upstream image",
                },
            },
            "variables": [
                {
                    "name": "general",
                    "title": "General",
                    "items": [
                        {
                            "name": "container_hostname",
                            "type": "str",
                            "title": "Container hostname",
                            "default": "demo",
                        },
                        {
                            "name": "database_password",
                            "type": "secret",
                            "title": "Database password",
                            "config": {
                                "autogenerated": {
                                    "kind": "characters",
                                    "length": CHARACTER_SECRET_LENGTH,
                                    "characters": ["A", "B", "1", "2"],
                                },
                            },
                        },
                        {
                            "name": "tls_enabled",
                            "type": "bool",
                            "title": "TLS enabled",
                            "default": True,
                        },
                        {
                            "name": "service_count",
                            "type": "int",
                            "title": "Service count",
                            "default": 3,
                            "config": {
                                "slider": True,
                                "min": 1,
                                "max": 9,
                                "step": 2,
                                "unit": "nodes",
                            },
                        },
                        {
                            "name": "notes",
                            "type": "str",
                            "title": "Notes",
                            "config": {
                                "textarea": True,
                                "placeholder": "Optional notes",
                            },
                        },
                    ],
                }
            ],
        },
        {
            "compose.yaml": (
                "services:\n"
                "  app:\n"
                "    hostname: << container_hostname >>\n"
                "<% if tls_enabled %>\n"
                "    labels:\n"
                '      tls: "true"\n'
                "<% endif %>\n"
            ),
            "README.md": "hostname=<< container_hostname >>\n",
        },
    )

    template = Template(template_dir, library_name="default")
    rendered_files, variable_values = template.render(template.variables)

    assert set(rendered_files) == {"README.md", "compose.yaml"}
    assert "hostname: demo" in rendered_files["compose.yaml"]
    assert 'tls: "true"' in rendered_files["compose.yaml"]
    assert rendered_files["README.md"] == "hostname=demo\n"

    assert variable_values["container_hostname"] == "demo"
    assert len(variable_values["database_password"]) == CHARACTER_SECRET_LENGTH
    assert set(variable_values["database_password"]) <= {"A", "B", "1", "2"}
    assert template.variables._variable_map["database_password"].autogenerated is True
    assert template.variables._variable_map["database_password"].type == "secret"
    assert template.variables._variable_map["database_password"].config.autogenerated is not None
    assert template.variables._variable_map["service_count"].config.slider is True
    assert template.variables._variable_map["service_count"].config.unit == "nodes"
    assert template.variables._variable_map["notes"].config.textarea is True
    assert template.variables._variable_map["notes"].config.placeholder == "Optional notes"
    assert template.variables._variable_map["container_hostname"].description == "Container hostname"
    assert template.metadata.version.name == "v1.0.0"
    assert template.metadata.version.source_dep_name == "ghcr.io/example/demo"
    assert template.metadata.version.source_dep_version == "1.0.0"
    assert template.metadata.version.source_dep_digest == "sha256:deadbeef"
    assert template.metadata.version.upstream_ref == "release-2026-04-22"
    assert template.metadata.version.notes == "Pinned to the tested upstream image"


def test_template_json_supports_value_field_and_base64_secret_generation(tmp_path: Path) -> None:
    """Manifest values should honor value fields and structured base64 secret generation."""
    template_dir = tmp_path / "compose" / "advanced"
    _write_template_json(
        template_dir,
        {
            "slug": "advanced",
            "kind": "compose",
            "metadata": {
                "name": "Advanced",
                "description": "Advanced template",
                "version": {
                    "source_dep_name": "ghcr.io/example/advanced",
                    "source_dep_version": "1.0.0",
                },
            },
            "variables": [
                {
                    "name": "general",
                    "title": "General",
                    "items": [
                        {
                            "name": "environment",
                            "type": "enum",
                            "title": "Environment",
                            "default": "prod",
                            "value": "stage",
                            "config": {"options": ["prod", "stage", "dev"]},
                        },
                        {
                            "name": "api_token",
                            "type": "secret",
                            "title": "API token",
                            "config": {
                                "autogenerated": {
                                    "kind": "base64",
                                    "bytes": BASE64_SECRET_BYTES,
                                }
                            },
                        },
                    ],
                }
            ],
        },
        {
            "config.txt": "env=<< environment >>\n",
        },
    )

    template = Template(template_dir, library_name="default")
    rendered_files, variable_values = template.render(template.variables)

    assert rendered_files["config.txt"] == "env=stage\n"
    assert variable_values["environment"] == "stage"
    assert len(base64.b64decode(variable_values["api_token"])) == BASE64_SECRET_BYTES
    assert template.metadata.version.name == ""
    assert template.metadata.version.source_dep_name == "ghcr.io/example/advanced"
    assert template.metadata.version.source_dep_version == "1.0.0"
    assert not template.metadata.version


def test_template_slug_is_manifest_driven_and_normalized(tmp_path: Path) -> None:
    """The manifest slug defines the template ID, not the directory name."""
    template_dir = tmp_path / "compose" / "portainer"
    _write_template_json(
        template_dir,
        {
            "slug": "portainer-compose",
            "kind": "compose",
            "metadata": {
                "name": "Portainer",
                "description": "Portainer template",
            },
            "variables": [],
        },
        {
            "compose.yaml": "services: {}\n",
        },
    )

    template = Template(template_dir, library_name="default")

    assert normalize_template_slug("portainer-compose", "compose") == "portainer"
    assert template.id == "portainer"
    assert template.original_id == "portainer"
    assert template.directory_id == "portainer"
    assert template.slug == "portainer"
    assert template.metadata.version.name == ""


def test_legacy_template_yaml_is_rejected(tmp_path: Path) -> None:
    """Legacy template.yaml manifests should be marked incompatible."""
    template_dir = tmp_path / "compose" / "legacy"
    template_dir.mkdir(parents=True, exist_ok=True)
    (template_dir / "template.yaml").write_text("kind: compose\nmetadata:\n  name: Legacy\n", encoding="utf-8")

    with pytest.raises(TemplateLoadError, match="Legacy template manifests are incompatible"):
        Template(template_dir, library_name="default")


def test_legacy_jinja_delimiters_are_rejected(tmp_path: Path) -> None:
    """files/ content must use the new custom delimiters."""
    template_dir = tmp_path / "compose" / "legacy-delimiters"
    _write_template_json(
        template_dir,
        {
            "slug": "legacy-delimiters",
            "kind": "compose",
            "metadata": {
                "name": "Legacy delimiters",
                "description": "Bad template",
                "version": {
                    "name": "v1.0.0",
                },
            },
            "variables": [
                {
                    "name": "general",
                    "title": "General",
                    "items": [
                        {
                            "name": "container_hostname",
                            "type": "str",
                            "title": "Container hostname",
                        }
                    ],
                }
            ],
        },
        {
            "compose.yaml": "hostname: {{ container_hostname }}\n",
        },
    )

    template = Template(template_dir, library_name="default")

    with pytest.raises(TemplateValidationError, match="Legacy Jinja delimiter"):
        _ = template.used_variables


def test_template_json_rejects_string_metadata_version(tmp_path: Path) -> None:
    """metadata.version must use the structured object shape."""
    template_dir = tmp_path / "compose" / "bad-version"
    _write_template_json(
        template_dir,
        {
            "slug": "bad-version",
            "kind": "compose",
            "metadata": {
                "name": "Bad Version",
                "description": "Bad version metadata",
                "version": "1.0.0",
            },
            "variables": [],
        },
        {
            "compose.yaml": "services: {}\n",
        },
    )

    with pytest.raises(TemplateLoadError, match=r"'metadata\.version' must be an object"):
        Template(template_dir, library_name="default")


def test_library_discovery_ignores_legacy_template_manifests(tmp_path: Path) -> None:
    """Only template.json manifests should be treated as templates during discovery."""
    module_dir = tmp_path / "compose"
    legacy_dir = module_dir / "legacy"
    current_dir = module_dir / "current"

    legacy_dir.mkdir(parents=True, exist_ok=True)
    (legacy_dir / "template.yaml").write_text("kind: compose\nmetadata:\n  name: Legacy\n", encoding="utf-8")

    _write_template_json(
        current_dir,
        {
            "slug": "current",
            "kind": "compose",
            "metadata": {
                "name": "Current",
                "description": "Current template",
            },
            "variables": [],
        },
        {
            "compose.yaml": "services: {}\n",
        },
    )

    library = Library(name="default", path=tmp_path)

    assert library.find("compose", sort_results=True) == [(current_dir, "default")]