Initial working version

tests/test_domain.py

@@ -0,0 +1,107 @@
+from pve_vm_setup.domain import build_create_payload, select_latest_nixos_iso, validate_all_steps
+from pve_vm_setup.models.workflow import VmConfig
+from pve_vm_setup.settings import AppSettings
+
+
+def test_select_latest_nixos_iso_prefers_latest_year_month() -> None:
+    choice = select_latest_nixos_iso(
+        [
+            "cephfs:iso/nixos-minimal-24.11.1234abcd-x86_64-linux.iso",
+            "cephfs:iso/nixos-minimal-25.05.ffffeeee-x86_64-linux.iso",
+            "cephfs:iso/debian-12.iso",
+        ]
+    )
+
+    assert choice == "cephfs:iso/nixos-minimal-25.05.ffffeeee-x86_64-linux.iso"
+
+
+def test_build_create_payload_applies_safety_name_tag_and_key_settings() -> None:
+    settings = AppSettings.from_env(
+        {
+            "PROXMOX_PREVENT_CREATE": "false",
+            "PROXMOX_ENABLE_TEST_MODE": "true",
+            "PROXMOX_TEST_NODE": "fake-node-01",
+            "PROXMOX_TEST_POOL": "lab",
+        },
+        load_dotenv_file=False,
+    )
+    config = VmConfig()
+    config.general.node = "fake-node-01"
+    config.general.vmid = 123
+    config.general.name = "demo"
+    config.general.tags = ["linux"]
+    config.os.storage = "cephfs"
+    config.os.iso = "cephfs:iso/nixos-minimal-25.05.ffffeeee-x86_64-linux.iso"
+
+    payload = build_create_payload(config, settings)
+
+    assert payload["name"] == "codex-e2e-demo"
+    assert payload["tags"] == "codex-e2e;linux"
+    assert payload["bios"] == "ovmf"
+    assert payload["scsihw"] == "virtio-scsi-single"
+    assert payload["allow-ksm"] == 1
+    assert payload["net0"] == "model=virtio,bridge=vmbr9,firewall=1,link_down=0"
+    assert payload["scsi0"] == (
+        "ceph-pool:32,format=raw,cache=none,discard=ignore,"
+        "iothread=1,ssd=1,backup=1,replicate=1,aio=io_uring"
+    )
+
+
+def test_validate_all_steps_requires_live_create_opt_in() -> None:
+    settings = AppSettings.from_env(
+        {
+            "PROXMOX_PREVENT_CREATE": "true",
+        },
+        load_dotenv_file=False,
+    )
+    config = VmConfig()
+    config.general.node = "fake-node-01"
+    config.general.vmid = 123
+    config.general.name = "demo"
+    config.os.storage = "cephfs"
+    config.os.iso = "cephfs:iso/nixos-minimal-25.05.ffffeeee-x86_64-linux.iso"
+
+    errors = validate_all_steps(config, settings, references=type("Refs", (), {})())
+
+    assert "Set PROXMOX_PREVENT_CREATE=false to enable VM creation." in errors
+
+
+def test_build_create_payload_leaves_name_and_tags_untouched_outside_test_mode() -> None:
+    settings = AppSettings.from_env(
+        {
+            "PROXMOX_PREVENT_CREATE": "false",
+        },
+        load_dotenv_file=False,
+    )
+    config = VmConfig()
+    config.general.node = "fake-node-01"
+    config.general.vmid = 123
+    config.general.name = "demo"
+    config.general.tags = ["linux"]
+    config.os.storage = "cephfs"
+    config.os.iso = "cephfs:iso/nixos-minimal-25.05.ffffeeee-x86_64-linux.iso"
+
+    payload = build_create_payload(config, settings)
+
+    assert payload["name"] == "demo"
+    assert payload["tags"] == "linux"
+
+
+def test_build_create_payload_can_disable_allow_ksm() -> None:
+    settings = AppSettings.from_env(
+        {
+            "PROXMOX_PREVENT_CREATE": "false",
+        },
+        load_dotenv_file=False,
+    )
+    config = VmConfig()
+    config.general.node = "fake-node-01"
+    config.general.vmid = 123
+    config.general.name = "demo"
+    config.os.storage = "cephfs"
+    config.os.iso = "cephfs:iso/nixos-minimal-25.05.ffffeeee-x86_64-linux.iso"
+    config.memory.allow_ksm = False
+
+    payload = build_create_payload(config, settings)
+
+    assert payload["allow-ksm"] == 0