meal-order-manager/tests/test_terraform_vpc.py

"""Meals creates a VPC unless existing_vpc_id is set (prod shares afterhours)."""

from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
TERRAFORM = ROOT / "terraform"


def _read(name: str) -> str:
    return (TERRAFORM / name).read_text()


def test_meals_owns_a_vpc_instead_of_looking_up_default():
    vpc = _read("vpc.tf")
    ecs = _read("ecs.tf")
    locals_tf = _read("locals.tf")
    variables = _read("variables.tf")
    data = _read("data.tf")

    assert 'resource "aws_vpc" "this"' in vpc
    assert "count = local.manage_vpc ? 1 : 0" in vpc
    assert 'variable "existing_vpc_id"' in variables
    assert 'variable "existing_public_subnet_ids"' in variables
    assert (
        'manage_vpc          = var.existing_vpc_id == "" && !local.is_prod' in locals_tf
    )
    assert 'data "aws_vpc" "default"' not in ecs
    assert "data.aws_vpc.default" not in ecs
    assert "data.aws_subnets.default" not in ecs
    assert "vpc_id      = local.vpc_id" in ecs
    assert "subnets            = local.public_subnet_ids" in ecs
    assert "subnets          = local.public_subnet_ids" in ecs
    assert "ec2:CreateVpc" in _read("hcp_iam.tf")
    assert 'check "existing_vpc_pair"' in data
    assert 'check "existing_subnets_in_vpc"' in data
    assert "from = aws_vpc.this" in vpc
    assert "to   = aws_vpc.this[0]" in vpc
    outputs = _read("outputs.tf")
    assert 'output "vpc_id"' in outputs
    assert "value       = local.vpc_id" in outputs
    assert 'output "public_subnet_ids"' in outputs
    assert 'check "prod_reuses_afterhours_vpc"' in data
    assert "prod_requires_afterhours_vpc" in vpc
    assert "Do not mint 10.60." in vpc
    assert 'count = var.existing_vpc_id == "" ? 0 : 1' in vpc