Function writeMultiModuleRepo

__tests__/frameworks-integration.test.ts:1094–1129

(root: string)

  });

  function writeMultiModuleRepo(root: string) {
    fs.mkdirSync(path.join(root, 'modules/vpc'), { recursive: true });
    fs.mkdirSync(path.join(root, 'modules/other'), { recursive: true });
    fs.mkdirSync(path.join(root, 'envs'), { recursive: true });
    fs.writeFileSync(
      path.join(root, 'main.tf'),
      'variable "vpc_cidr" {\n  type = string\n}\n\n' +
        'module "vpc" {\n  source = "./modules/vpc"\n  cidr   = var.vpc_cidr\n}\n\n' +
        'module "registry_thing" {\n  source  = "terraform-aws-modules/s3-bucket/aws"\n  bucket  = "x"\n}\n\n' +
        'output "vpc_id" {\n  value = module.vpc.vpc_id\n}\n'
    );
    fs.writeFileSync(
      path.join(root, 'modules/vpc/variables.tf'),
      'variable "cidr" {\n  type = string\n}\n'
    );
    fs.writeFileSync(
      path.join(root, 'modules/vpc/main.tf'),
      'resource "aws_vpc" "this" {\n  cidr_block = var.cidr\n}\n'
    );
    fs.writeFileSync(
      path.join(root, 'modules/vpc/outputs.tf'),
      'output "vpc_id" {\n  value = aws_vpc.this.id\n}\n'
    );
    // Same-named variable in an UNRELATED module — must never receive edges
    // from outside its own directory.
    fs.writeFileSync(
      path.join(root, 'modules/other/variables.tf'),
      'variable "cidr" {\n  type = string\n}\nvariable "orphan_ref_target" {}\n'
    );
    // References a variable that has no same-dir declaration: must stay unlinked.
    fs.writeFileSync(
      path.join(root, 'modules/other/main.tf'),
      'resource "aws_eip" "e" {\n  tags = { Name = var.undeclared_here_elsewhere_yes }\n}\n'
    );
    fs.writeFileSync(path.join(root, 'envs/prod.tfvars'), 'vpc_cidr = "10.0.0.0/16"\n');
  }

  it('bridges module inputs/outputs/source and enforces directory scoping', async () => {
    tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'cg-terraform-'));