rustyroad 1.8.0

Rusty Road is a framework written in Rust that is based on Ruby on Rails. It is designed to provide the familiar conventions and ease of use of Ruby on Rails, while also taking advantage of the performance and efficiency of Rust.
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//! Shared fixtures for Rust generation tests.

mod columns;
mod tables;

use crate::database::introspection::{Enum, Schema, Table};

pub(in crate::generators::rust::tests) use columns::column;
pub(super) use columns::{required, serial_key};
pub(super) use tables::{composite, products};

/// Wraps tables in a schema with no enum types.
pub(super) fn from_tables(tables: Vec<Table>) -> Schema {
    Schema {
        tables,
        enums: Vec::new(),
    }
}

/// Wraps tables and enum types in a schema.
pub(super) fn with_enums(tables: Vec<Table>, enums: Vec<Enum>) -> Schema {
    Schema { tables, enums }
}

/// Builds an enum type.
pub(super) fn enum_type(name: &str, values: &[&str]) -> Enum {
    Enum {
        name: name.to_string(),
        values: values.iter().map(|value| value.to_string()).collect(),
    }
}

/// A schema holding just the `products` fixture.
pub(super) fn schema() -> Schema {
    from_tables(vec![products()])
}

/// Resolves one table's model, running the naming pass the writer would.
///
/// Tests that build a single-table schema still go through `naming::resolve`, so they
/// exercise the same path production does rather than a shortcut.
pub(super) fn resolve(
    table: &crate::database::introspection::Table,
    schema: &Schema,
) -> crate::generators::rust::model::Model {
    let names = crate::generators::naming::resolve(schema);
    let index = schema
        .tables
        .iter()
        .position(|candidate| candidate.name == table.name)
        .expect("the table should be in the schema");

    crate::generators::rust::model::Model::resolve(table, schema, &names[index])
}

/// Creates a unique scratch directory.
///
/// Rooted in the OS temp directory rather than `target/`, which is not guaranteed to
/// exist for a fresh checkout. A per-process counter joins the label because two parallel
/// tests sharing a label would otherwise delete each other's directories mid-test.
pub(super) fn scratch(label: &str) -> std::path::PathBuf {
    use std::sync::atomic::{AtomicU32, Ordering};
    static COUNTER: AtomicU32 = AtomicU32::new(0);

    let path = std::env::temp_dir().join(format!(
        "rustyroad-rust-model-test-{label}-{}-{}",
        std::process::id(),
        COUNTER.fetch_add(1, Ordering::Relaxed)
    ));
    let _ = std::fs::remove_dir_all(&path);
    std::fs::create_dir_all(&path).expect("failed to create scratch directory");
    path
}