rustyroad 1.7.3

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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//! An audit column on a view must not import a clock it never uses.

use super::support::{required, resolve};
use super::view_test::view;
use crate::database::introspection::Schema;
use crate::generators::rust::render;

#[test]
fn a_view_with_audit_columns_does_not_import_an_unused_utc() {
    let mut table = view();
    table
        .columns
        .push(required("created_at", "timestamp with time zone"));

    let schema = Schema {
        tables: vec![table.clone()],
        enums: Vec::new(),
    };
    let model = resolve(&table, &schema);
    let root = render::files(&model, &schema)
        .into_iter()
        .find(|file| file.name == "mod.rs")
        .unwrap()
        .contents;

    // Only the constructors reach for the clock, and a view has none. An unused import is a
    // warning on every build of the generated crate.
    assert!(!root.contains("use chrono::Utc;"), "unused import:\n{root}");
    // The field itself still carries its resolved type.
    assert!(
        root.contains("pub created_at: chrono::DateTime<chrono::Utc>,"),
        "{root}"
    );
}