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/**
assert that the status code of a conn is as specified.
```
use trillium_testing::prelude::*;
async fn handler(conn: trillium::Conn) -> trillium::Conn {
conn.with_status(418)
}
assert_status!(get("/").on(&handler), 418);
assert_status!(get("/").on(&handler), Status::ImATeapot);
let conn = get("/").on(&handler);
assert_status!(&conn, 418);
assert_status!(conn, 418);
```
```rust,should_panic
use trillium_testing::prelude::*;
async fn handler(conn: trillium::Conn) -> trillium::Conn {
conn.ok("handled")
}
assert_status!(get("/").on(&handler), 418);
```
*/
#[macro_export]
macro_rules! assert_status {
($conn:expr, $status:expr) => {{
use std::convert::TryInto;
let expected_status: $crate::prelude::Status =
$status.try_into().expect("expected a status code");
match $conn.status() {
Some(status) => assert_eq!(status, expected_status),
None => panic!("expected status code, but none was set"),
}
}};
}
/**
assert that all of the following are true:
* the status was not set
* the body was not set
* the conn was not halted
```
use trillium_testing::prelude::*;
async fn handler(conn: trillium::Conn) -> trillium::Conn {
conn
}
assert_not_handled!(get("/").on(&handler));
let conn = get("/").on(&handler);
assert_not_handled!(&conn);
assert_not_handled!(conn);
```
```rust,should_panic
use trillium_testing::prelude::*;
async fn handler(conn: trillium::Conn) -> trillium::Conn {
conn.ok("handled")
}
assert_not_handled!(get("/").on(&handler));
```
*/
#[macro_export]
macro_rules! assert_not_handled {
($conn:expr) => {{
let conn = $conn;
assert_eq!(conn.status(), None);
assert!(conn.inner().response_body().is_none());
assert!(!conn.is_halted());
}};
}
/**
assert that the response body is as specified. this assertion requires mutation of the conn.
```
use trillium_testing::prelude::*;
async fn handler(conn: trillium::Conn) -> trillium::Conn {
conn.ok("it's-a-me, trillium")
}
assert_body!(get("/").on(&handler), "it's-a-me, trillium");
let mut conn = get("/").on(&handler);
assert_body!(&mut conn, "it's-a-me, trillium");
let mut conn = get("/").on(&handler);
assert_body!(conn, "it's-a-me, trillium");
```
```rust,should_panic
use trillium_testing::prelude::*;
assert_body!(get("/").on(&()), "what body?");
```
```rust,should_panic
use trillium_testing::prelude::*;
assert_body!(get("/").on(&"beach body"), "winter body");
```
*/
#[macro_export]
macro_rules! assert_body {
($conn:expr, $body:expr) => {
match $conn.take_response_body_string().unwrap_or_default() {
body => {
assert_eq!(body.trim_end(), $body.trim_end());
}
}
};
}
/**
asserts that the response body matches the specified pattern, using [`str::contains`]
```
use trillium_testing::prelude::*;
let handler = "there's a needle in this haystack";
assert_body_contains!(get("/").on(&handler), "needle");
let mut conn = get("/").on(&handler);
let body = assert_body_contains!(&mut conn, "needle");
assert!(body.contains("haystack"));
```
```rust,should_panic
use trillium_testing::prelude::*;
assert_body_contains!(get("/").on(&()), "what body?");
```
```rust,should_panic
use trillium_testing::prelude::*;
assert_body_contains!(get("/").on(&"just a haystack"), "needle");
```
*/
#[macro_export]
macro_rules! assert_body_contains {
($conn:expr, $pattern:expr) => {
match $conn.take_response_body_string().unwrap_or_default() {
body => {
assert!(
body.contains($pattern),
"\nexpected \n`{}`\n to contain `{}`\n but it did not",
&body,
$pattern
);
body
}
}
};
}
/**
combines several other assertions. this assertion can be used to assert:
* just a status code,
* a status code and a response body, or
* a status code, a response body, and any number of headers
```
use trillium_testing::prelude::*;
async fn handler(conn: Conn) -> Conn {
conn.with_body("just tea stuff here")
.with_status(418)
.with_response_header("server", "zojirushi")
}
assert_response!(get("/").on(&handler), 418);
assert_response!(get("/").on(&handler), Status::ImATeapot);
assert_response!(get("/").on(&handler), 418, "just tea stuff here");
assert_response!(get("/").on(&handler), Status::ImATeapot, "just tea stuff here");
assert_response!(
get("/").on(&handler),
Status::ImATeapot,
"just tea stuff here",
"server" => "zojirushi",
"content-length" => "19"
);
```
*/
#[macro_export]
macro_rules! assert_response {
($conn:expr, $status:expr, $body:expr) => {{
let mut conn = $conn;
$crate::assert_status!(conn, $status);
$crate::assert_body!(conn, $body);
}};
($conn:expr, $status:expr) => {
$crate::assert_status!($conn, $status);
};
($conn:expr, $status:expr, $body:expr, $($header_name:literal => $header_value:expr,)+) => {
assert_response!($conn, $status, $body, $($header_name => $header_value),+);
};
($conn:expr, $status:expr, $body:expr, $($header_name:literal => $header_value:expr),*) => {
let mut conn = $conn;
$crate::assert_response!(&mut conn, $status, $body);
$crate::assert_headers!(&conn, $($header_name => $header_value),*);
};
}
/**
asserts any number of response headers
```
use trillium_testing::prelude::*;
async fn handler(conn: Conn) -> Conn {
conn.ok("headers")
.with_response_header("server", "special-custom-server")
.with_response_header("request-id", "10")
}
assert_headers!(get("/").on(&handler), "server" => "special-custom-server");
assert_headers!(
get("/").on(&handler),
"server" => "special-custom-server",
"request-id" => "10",
"content-length" => "7"
);
```
*/
#[macro_export]
macro_rules! assert_headers {
(@pair, $conn:expr, $header_name:tt, None) => {
match $conn.inner().response_headers().get_str($header_name) {
actual => {
assert_eq!(actual, None, concat!("for header ", stringify!($header_name)));
}
};
};
(@pair, $conn:expr, $header_name:tt, $header_value:expr) => {
match ($conn.inner().response_headers().get_str($header_name), $header_value) {
(actual, expected) => {
assert_eq!(actual, Some(expected), concat!("for header ", stringify!($header_name)));
}
};
};
($conn:expr, $($header_name:tt => $header_value:tt,)+) => {
assert_headers!($conn, $($header_name => $header_value),+);
};
($conn:expr, $($header_name:tt => $header_value:tt),*) => {
match $conn {
conn => {
$(assert_headers!(@pair, conn, $header_name, $header_value);)*
}
};
}
}
/**
assert_ok is like [`assert_response!`] except it always asserts a status of 200 Ok.
it can be used to assert:
* just that the response was successful,
* that the response was successful and a response body, or
* that the response was successful, a response body, and any number of headers
```
use trillium_testing::prelude::*;
async fn handler(conn: Conn) -> Conn {
conn.ok("body")
.with_response_header("server", "special-custom-server")
.with_response_header("request-id", "10")
}
assert_ok!(get("/").on(&handler));
assert_ok!(get("/").on(&handler), "body");
assert_ok!(get("/").on(&handler), "body");
assert_ok!(get("/").on(&handler), "body", "server" => "special-custom-server");
assert_ok!(
get("/").on(&handler),
"body",
"server" => "special-custom-server",
"request-id" => "10",
"content-length" => "4"
);
```
*/
#[macro_export]
macro_rules! assert_ok {
($conn:expr) => {
$crate::assert_response!($conn, 200);
};
($conn:expr, $body:expr) => {
$crate::assert_response!($conn, 200, $body);
};
($conn:expr, $body:expr, $($header_name:literal => $header_value:expr,)+) => {
assert_ok!($conn, $body, $($header_name => $header_value),+);
};
($conn:expr, $body:expr, $($header_name:literal => $header_value:expr),*) => {
$crate::assert_response!($conn, 200, $body, $($header_name => $header_value),*);
};
}