add PackageDependency (PackageDepends) ORM model

Signed-off-by: Kevin Morris <kevr@0cost.org>

aurweb/models/package_dependency.py

+from sqlalchemy.orm import mapper
+
+from aurweb.db import make_relationship
+from aurweb.models.dependency_type import DependencyType
+from aurweb.models.package import Package
+from aurweb.schema import PackageDepends
+
+
+class PackageDependency:
+    def __init__(self, Package: Package = None,
+                 DependencyType: DependencyType = None,
+                 DepName: str = None, DepDesc: str = None,
+                 DepCondition: str = None, DepArch: str = None):
+        self.Package = Package
+        self.DependencyType = DependencyType
+        self.DepName = DepName  # nullable=False
+        self.DepDesc = DepDesc
+        self.DepCondition = DepCondition
+        self.DepArch = DepArch
+
+
+properties = {
+    "Package": make_relationship(Package, PackageDepends.c.PackageID,
+                                 "package_dependencies"),
+    "DependencyType": make_relationship(DependencyType,
+                                        PackageDepends.c.DepTypeID,
+                                        "package_dependencies")
+}
+
+mapper(PackageDependency, PackageDepends, properties=properties,
+       primary_key=[PackageDepends.c.PackageID, PackageDepends.c.DepTypeID])

test/test_package_dependency.py

+import pytest
+
+from sqlalchemy.exc import IntegrityError
+
+from aurweb.db import create, query
+from aurweb.models.account_type import AccountType
+from aurweb.models.dependency_type import DependencyType
+from aurweb.models.package import Package
+from aurweb.models.package_base import PackageBase
+from aurweb.models.package_dependency import PackageDependency
+from aurweb.models.user import User
+from aurweb.testing import setup_test_db
+
+user = pkgbase = package = None
+
+
+@pytest.fixture(autouse=True)
+def setup():
+    global user, pkgbase, package
+
+    setup_test_db("Users", "PackageBases", "Packages", "PackageDepends")
+
+    account_type = query(AccountType,
+                         AccountType.AccountType == "User").first()
+    user = create(User, Username="test", Email="test@example.org",
+                  RealName="Test User", Passwd="testPassword",
+                  AccountType=account_type)
+
+    pkgbase = create(PackageBase,
+                     Name="test-package",
+                     Maintainer=user)
+    package = create(Package,
+                     PackageBase=pkgbase,
+                     Name=pkgbase.Name,
+                     Description="Test description.",
+                     URL="https://test.package")
+
+
+def test_package_dependencies():
+    depends = query(DependencyType, DependencyType.Name == "depends").first()
+    pkgdep = create(PackageDependency, Package=package,
+                    DependencyType=depends,
+                    DepName="test-dep")
+    assert pkgdep.DepName == "test-dep"
+    assert pkgdep.Package == package
+    assert pkgdep.DependencyType == depends
+    assert pkgdep in depends.package_dependencies
+    assert pkgdep in package.package_dependencies
+
+    makedepends = query(DependencyType,
+                        DependencyType.Name == "makedepends").first()
+    pkgdep = create(PackageDependency, Package=package,
+                    DependencyType=makedepends,
+                    DepName="test-dep")
+    assert pkgdep.DepName == "test-dep"
+    assert pkgdep.Package == package
+    assert pkgdep.DependencyType == makedepends
+    assert pkgdep in makedepends.package_dependencies
+    assert pkgdep in package.package_dependencies
+
+    checkdepends = query(DependencyType,
+                         DependencyType.Name == "checkdepends").first()
+    pkgdep = create(PackageDependency, Package=package,
+                    DependencyType=checkdepends,
+                    DepName="test-dep")
+    assert pkgdep.DepName == "test-dep"
+    assert pkgdep.Package == package
+    assert pkgdep.DependencyType == checkdepends
+    assert pkgdep in checkdepends.package_dependencies
+    assert pkgdep in package.package_dependencies
+
+    optdepends = query(DependencyType,
+                       DependencyType.Name == "optdepends").first()
+    pkgdep = create(PackageDependency, Package=package,
+                    DependencyType=optdepends,
+                    DepName="test-dep")
+    assert pkgdep.DepName == "test-dep"
+    assert pkgdep.Package == package
+    assert pkgdep.DependencyType == optdepends
+    assert pkgdep in optdepends.package_dependencies
+    assert pkgdep in package.package_dependencies
+
+
+def test_package_dependencies_null_package_raises_exception():
+    from aurweb.db import session
+
+    depends = query(DependencyType, DependencyType.Name == "depends").first()
+    with pytest.raises(IntegrityError):
+        create(PackageDependency,
+               DependencyType=depends,
+               DepName="test-dep")
+    session.rollback()
+
+
+def test_package_dependencies_null_dependency_type_raises_exception():
+    from aurweb.db import session
+
+    with pytest.raises(IntegrityError):
+        create(PackageDependency,
+               Package=package,
+               DepName="test-dep")
+    session.rollback()
+
+
+def test_package_dependencies_null_depname_raises_exception():
+    from aurweb.db import session
+
+    depends = query(DependencyType, DependencyType.Name == "depends").first()
+    with pytest.raises(IntegrityError):
+        create(PackageDependency,
+               Package=package,
+               DependencyType=depends)
+    session.rollback()