59 lines
1.4 KiB
Rust
59 lines
1.4 KiB
Rust
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use cucumber::{given, then, when, World};
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// These `Cat` definitions would normally be inside your project's code,
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// not test code, but we create them here for the show case.
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#[derive(Debug, Default)]
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struct Cat {
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pub hungry: bool,
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}
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impl Cat {
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fn feed(&mut self) {
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self.hungry = false;
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}
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}
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// `World` is your shared, likely mutable state.
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// Cucumber constructs it via `Default::default()` for each scenario.
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#[derive(Debug, World)]
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// Accepts both sync/async and fallible/infallible functions.
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// We can set a non default constructor like this vvvv
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#[world(init = Self::new)]
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pub struct AnimalWorld {
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cat: Cat,
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}
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// new constructor
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impl AnimalWorld {
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fn new() -> Self {
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Self {
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cat: Cat { hungry: true },
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}
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}
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}
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// Steps are defined with `given`, `when` and `then` attributes.
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#[given(regex = r"^a (hungry|satiated) cat$")]
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async fn hungry_cat(world: &mut AnimalWorld, state: String) {
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match state.as_str() {
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"hungry" => world.cat.hungry = true,
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"satiated" => world.cat.hungry = false,
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_ => unreachable!(),
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}
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}
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#[when("I feed the cat")]
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async fn feed_cat(world: &mut AnimalWorld) {
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world.cat.feed();
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}
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#[then("the cat is not hungry")]
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async fn cat_is_fed(world: &mut AnimalWorld) {
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assert!(!world.cat.hungry);
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}
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#[tokio::main]
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async fn main() {
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futures::executor::block_on(AnimalWorld::run("tests/features/book/animal.feature"));
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}
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