use std::fs;
use sofie_cli::{split_module, split_plan};
use sofie_model::testing::{TemporaryDirectory, manifest};
const MODULE: &str = "pub const MODULE: sofie::Module = sofie::Module {\n name: \"NAME\",\n \
tier: sofie::Tier::Core,\n context: None,\n settings: &[],\n \
..crate::wiring::GENERATED\n};\n";
const CONTRACT: &str = "mod r#gen;\n\npub use r#gen::routes;\n\n";
const LIBRARY: &str = "mod queries;\npub mod module;\nmod wiring;\nmod areas {\n pub mod web {\n \
pub mod routes;\n }\n}\n";
fn shop() -> TemporaryDirectory {
let directory = TemporaryDirectory::new("sofie-split");
directory.write(
"Cargo.toml",
"[workspace]\nresolver = \"3\"\nmembers = [\"app\", \"modules/*\", \"modules/*/contract\"]\n\n\
[workspace.dependencies]\nsofie = { path = \"sofie\" }\n",
);
directory.write(
"app/Cargo.toml",
&manifest(
"shop",
"sofie.workspace = true\norder = { path = \"../modules/order\" }\n\
billing = { path = \"../modules/billing\" }\n",
),
);
directory.write(
"sofie/Cargo.toml",
&format!(
"{}\n[features]\nremote-contracts = []\n",
manifest("sofie", "")
),
);
directory.write("sofie/src/lib.rs", "");
directory.write(
"app/src/main.rs",
"mod wiring;\n\nfn main() {\n let _ = (wiring::MODULES, wiring::app, wiring::worker);\n}\n",
);
module(&directory, "billing", "", "/invoices");
module(
&directory,
"order",
"order-contract = { path = \"contract\" }\nbilling-contract = { path = \"../billing/contract\" }\n",
"/orders",
);
directory.write(
"modules/order/contract/src/lib.rs",
&format!(
"{CONTRACT}{}",
"#[sofie::contract]\npub trait Orders: Send + Sync {\n \
async fn total(&self, order: sofie::db::Uuid) -> sofie::core::Result<i64>;\n}\n\n\
#[sofie::contract]\npub trait Ledger: Send + Sync {\n fn now(&self) -> i64;\n}\n\n\
#[derive(sofie::Event)]\npub struct OrderPlaced {\n pub order: sofie::db::Uuid,\n}\n"
),
);
directory
}
fn module(directory: &TemporaryDirectory, name: &str, dependencies: &str, path: &str) {
directory.write(
&format!("modules/{name}/Cargo.toml"),
&manifest(name, dependencies),
);
directory.write(
&format!("modules/{name}/contract/Cargo.toml"),
&manifest(&format!("{name}-contract"), ""),
);
directory.write(&format!("modules/{name}/contract/src/lib.rs"), CONTRACT);
directory.write(&format!("modules/{name}/src/lib.rs"), LIBRARY);
directory.write(
&format!("modules/{name}/src/module.rs"),
&MODULE.replace("NAME", name),
);
directory.write(
&format!("modules/{name}/src/queries.rs"),
"pub fn list() {}\n\npub fn show() {}\n",
);
directory.write(
&format!("modules/{name}/src/areas/web/routes.rs"),
&format!(
"use sofie::prelude::*;\n\npub fn routes(routes: &mut Routes<Web>) {{\n \
routes.get(\"{path}\", queries::list);\n routes.get(\"{path}/{{*rest}}\", queries::show);\n}}\n"
),
);
directory.write(&format!("modules/{name}/migrations/0001_start.sql"), "");
}
fn read(directory: &TemporaryDirectory, relative: &str) -> String {
fs::read_to_string(directory.path(relative)).unwrap()
}
#[test]
fn the_plan_names_what_moves_what_is_served_and_where_each_path_goes() {
let shop = shop();
let plan = split_plan(shop.root(), "order").unwrap().to_string();
for expected in [
"module `order` leaves `shop` for a new app `order-app`",
"modules/order → split/order/modules/order",
"contract order_contract::Orders",
"event order.OrderPlaced",
"Served back by shop\n module billing",
"method Ledger::now: it is not `async`",
"/orders → order-app\n anything else → shop",
"shop: ORDER_REMOTE_BASE_URL",
"order-app: BILLING_REMOTE_BASE_URL",
] {
assert!(plan.contains(expected), "{expected}\n\n{plan}");
}
assert!(shop.path("modules/order").is_dir(), "a plan writes nothing");
}
#[test]
fn the_plan_names_the_app_s_tests_that_reach_into_the_moved_crate() {
let shop = shop();
shop.write(
"app/tests/orders.rs",
"use order::Order;\n\n#[test]\nfn placed() {\n let _ = std::any::type_name::<Order>();\n}\n",
);
shop.write(
"app/tests/support/mod.rs",
"pub fn order() -> i64 {\n 1\n}\n",
);
let plan = split_plan(shop.root(), "order").unwrap();
let orders = fs::canonicalize(shop.path("app/tests/orders.rs")).unwrap();
assert_eq!(plan.orphaned_tests, [orders]);
let shown = plan.to_string();
assert!(
shown.contains(
"Tests naming `order`, which shop no longer depends on: move them to order-app \
or reach the module through `order-contract`\n test app/tests/orders.rs\n"
),
"{shown}"
);
}
#[test]
fn write_moves_the_module_and_wires_both_apps_to_each_other() {
let shop = shop();
let split = split_module(shop.root(), "order").unwrap();
assert!(!shop.path("modules/order").exists());
assert!(
shop.path("split/order/modules/order/migrations/0001_start.sql")
.is_file()
);
let moved = read(&shop, "split/order/modules/order/Cargo.toml");
assert!(
moved.contains("billing-contract = { path = \"../../../../modules/billing/contract\" }"),
"{moved}"
);
assert!(
moved.contains("order-contract = { path = \"contract\" }"),
"{moved}"
);
let left = read(&shop, "app/Cargo.toml");
assert!(!left.contains("order = {"), "{left}");
assert!(
left.contains("order-contract = { path = \"../split/order/modules/order/contract\" }"),
"{left}"
);
assert!(
left.contains("remote = [\"order\"]") && left.contains("serves = [\"billing\"]"),
"{left}"
);
assert!(left.contains("features = [\"remote-contracts\"]"), "{left}");
let workspace = read(&shop, "Cargo.toml");
assert!(
workspace.contains("\"split/order/app\", \"split/order/modules/*\""),
"{workspace}"
);
assert_eq!(
read(&shop, "proxy.toml")
.lines()
.skip(3)
.collect::<Vec<_>>(),
[
"default = \"shop\"",
"",
"[prefixes]",
"\"/orders\" = \"order-app\""
]
);
let served = read(&shop, "split/order/app/src/wiring.rs");
assert!(
served.contains(".contract::<dyn order_contract::Orders>()"),
"{served}"
);
assert!(!served.contains("Ledger"), "{served}");
assert!(
served.contains(".publish(\"order.OrderPlaced\")"),
"{served}"
);
assert!(
served.contains("sofie::remote::connect(\"billing\")?;"),
"{served}"
);
let left_wiring = read(&shop, "app/src/wiring.rs");
assert!(
left_wiring.contains("sofie::remote::connect(\"order\")?;"),
"{left_wiring}"
);
assert!(
left_wiring.contains(".pull(sofie::remote::feed(\"order\"))"),
"{left_wiring}"
);
assert!(
!left_wiring.contains("order::module::MODULE"),
"{left_wiring}"
);
assert_ne!(split.generated, []);
}
#[test]
fn splitting_the_last_module_takes_its_members_out_and_earlier_splits_follow_its_contract() {
let shop = shop();
split_module(shop.root(), "order").unwrap();
split_module(shop.root(), "billing").unwrap();
let workspace = read(&shop, "Cargo.toml");
assert!(
!workspace.contains("\"modules/*\"") && !workspace.contains("\"modules/*/contract\""),
"{workspace}"
);
assert!(
workspace.contains("\"split/billing/modules/*\""),
"{workspace}"
);
let earlier = read(&shop, "split/order/app/Cargo.toml");
assert!(
earlier
.contains("billing-contract = { path = \"../../billing/modules/billing/contract\" }"),
"{earlier}"
);
}