Add tests to the hello_world, helllo_ranks, and hello_person examples.

examples/forms/Cargo.toml

@@ -7,3 +7,6 @@ workspace = "../../"
 [dependencies]
 rocket = { path = "../../lib" }
 rocket_codegen = { path = "../../codegen" }
+
+[dev-dependencies]
+rocket = { path = "../../lib", features = ["testing"] }

examples/forms/src/main.rs

@@ -4,6 +4,7 @@
 extern crate rocket;
 
 mod files;
+#[cfg(test)] mod tests;
 
 use rocket::request::Form;
 use rocket::response::Redirect;

examples/forms/src/tests.rs

@@ -0,0 +1,33 @@
+use super::rocket;
+use rocket::testing::MockRequest;
+use rocket::http::Method::*;
+
+fn test_login<F: Fn(String) -> bool>(username: &str, password: &str, age: isize, test: F) {
+    let rocket = rocket::ignite().mount("/", routes![super::user_page, super::login]);
+    let req = MockRequest::new(Post, "/login")
+        .headers(&[("Content-Type", "application/x-www-form-urlencoded")])
+        .body(&format!("username={}&password={}&age={}", username, password, age));
+    let result = req.dispatch_with(&rocket);
+    let result = result.unwrap();
+    assert!(test(result));
+}
+
+#[test]
+fn test_good_login() {
+    // TODO: Be able to check if it's a redirect, and process the redirect.
+    test_login("Sergio", "password", 30, |s| s.is_empty());
+}
+
+#[test]
+fn test_bad_login() {
+    test_login("Sergio", "password", 20, |s| s == "Sorry, 20 is too young!");
+    test_login("Sergio", "password", 200, |s| s == "Are you sure you're 200?");
+    test_login("Sergio", "password", -100, |s| s == "'-100' is not a valid integer.");
+    test_login("Sergio", "ok", 30, |s| s == "Wrong password!");
+    test_login("Mike", "password", 30, |s| s == "Unrecognized user, 'Mike'.");
+}
+
+#[test]
+fn test_bad_form() {
+    test_login("Sergio&other=blah&", "password", 30, |s| s.contains("400 Bad Request"));
+}

examples/hello_person/Cargo.toml

@@ -7,3 +7,6 @@ workspace = "../../"
 [dependencies]
 rocket = { path = "../../lib" }
 rocket_codegen = { path = "../../codegen" }
+
+[dev-dependencies]
+rocket = { path = "../../lib", features = ["testing"] }

examples/hello_person/src/main.rs

@@ -3,6 +3,8 @@
 
 extern crate rocket;
 
+#[cfg(test)] mod tests;
+
 #[get("/hello/<name>/<age>")]
 fn hello(name: &str, age: i8) -> String {
     format!("Hello, {} year old named {}!", age, name)

examples/hello_person/src/tests.rs

@@ -0,0 +1,40 @@
+use super::rocket;
+use rocket::testing::MockRequest;
+use rocket::http::Method::*;
+
+fn test(uri: &str, expected: String) {
+    let rocket = rocket::ignite().mount("/", routes![super::hello, super::hi]);
+    let req = MockRequest::new(Get, uri);
+    let result = req.dispatch_with(&rocket);
+    assert_eq!(result.unwrap(), expected);
+}
+
+fn test_404(uri: &str) {
+    let rocket = rocket::ignite().mount("/", routes![super::hello, super::hi]);
+    let req = MockRequest::new(Get, uri);
+    let result = req.dispatch_with(&rocket);
+    // TODO: Be able to check that actual HTTP response status code.
+    assert!(result.unwrap().contains("404 Not Found"));
+}
+
+#[test]
+fn test_hello() {
+    for &(name, age) in &[("Mike", 22), ("Michael", 80), ("A", 0), ("a", 127)] {
+        test(&format!("/hello/{}/{}", name, age),
+            format!("Hello, {} year old named {}!", age, name));
+    }
+}
+
+#[test]
+fn test_failing_hello() {
+    test_404("/hello/Mike/1000");
+    test_404("/hello/Mike/128");
+    test_404("/hello/Mike/-129");
+}
+
+#[test]
+fn test_hi() {
+    for name in &["Mike", "A", "123", "hi", "c"] {
+        test(&format!("/hello/{}", name), name.to_string());
+    }
+}

examples/hello_ranks/Cargo.toml

@@ -7,3 +7,6 @@ workspace = "../../"
 [dependencies]
 rocket = { path = "../../lib" }
 rocket_codegen = { path = "../../codegen" }
+
+[dev-dependencies]
+rocket = { path = "../../lib", features = ["testing"] }

examples/hello_ranks/src/main.rs

@@ -3,6 +3,8 @@
 
 extern crate rocket;
 
+#[cfg(test)] mod tests;
+
 #[get("/hello/<name>/<age>")]
 fn hello(name: &str, age: i8) -> String {
     format!("Hello, {} year old named {}!", age, name)

examples/hello_ranks/src/tests.rs

@@ -0,0 +1,33 @@
+use super::rocket;
+use rocket::testing::MockRequest;
+use rocket::http::Method::*;
+
+fn test(uri: &str, expected: String) {
+    let rocket = rocket::ignite().mount("/", routes![super::hello, super::hi]);
+    let req = MockRequest::new(Get, uri);
+    let result = req.dispatch_with(&rocket);
+    assert_eq!(result.unwrap(), expected);
+}
+
+#[test]
+fn test_hello() {
+    for &(name, age) in &[("Mike", 22), ("Michael", 80), ("A", 0), ("a", 127)] {
+        test(&format!("/hello/{}/{}", name, age),
+            format!("Hello, {} year old named {}!", age, name));
+    }
+}
+
+#[test]
+fn test_failing_hello_hi() {
+    // Invalid integers.
+    for &(name, age) in &[("Mike", 1000), ("Michael", 128), ("A", -800), ("a", -200)] {
+        test(&format!("/hello/{}/{}", name, age),
+            format!("Hi {}! Your age ({}) is kind of funky.", name, age));
+    }
+
+    // Non-integers.
+    for &(name, age) in &[("Mike", "!"), ("Michael", "hi"), ("A", "blah"), ("a", "0-1")] {
+        test(&format!("/hello/{}/{}", name, age),
+            format!("Hi {}! Your age ({}) is kind of funky.", name, age));
+    }
+}

examples/hello_world/Cargo.toml

@@ -7,3 +7,6 @@ workspace = "../../"
 [dependencies]
 rocket = { path = "../../lib" }
 rocket_codegen = { path = "../../codegen" }
+
+[dev-dependencies]
+rocket = { path = "../../lib", features = ["testing"] }

examples/hello_world/src/main.rs

@@ -3,6 +3,8 @@
 
 extern crate rocket;
 
+#[cfg(test)] mod tests;
+
 #[get("/")]
 fn hello() -> &'static str {
     "Hello, world!"

examples/hello_world/src/tests.rs

@@ -0,0 +1,11 @@
+use super::rocket;
+use rocket::testing::MockRequest;
+use rocket::http::Method::*;
+
+#[test]
+fn hello_world() {
+    let rocket = rocket::ignite().mount("/", routes![super::hello]);
+    let req = MockRequest::new(Get, "/");
+    let result = req.dispatch_with(&rocket);
+    assert_eq!(result.unwrap().as_str(), "Hello, world!");
+}

lib/src/testing.rs

@@ -67,9 +67,7 @@ impl MockRequest {
         match String::from_utf8(response.into_inner()) {
             Ok(string) => {
                 // TODO: Expose the full response (with headers) somewhow.
-                string.find("\r\n\r\n").map(|i| {
-                    string[(i + 4)..].to_string()
-                })
+                string.find("\r\n\r\n").map(|i| string[(i + 4)..].to_string())
             }
             Err(e) => {
                 error_!("Could not create string from response: {:?}", e);