http_auth_random.rs

// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use anyhow::Result;
use proxy_wasm_test_framework::tester;
use proxy_wasm_test_framework::types::*;
use structopt::StructOpt;

fn main() -> Result<()> {
    let args = tester::MockSettings::from_args();
    let mut http_auth_random = tester::mock(args)?;

    http_auth_random
        .call_start()
        .execute_and_expect(ReturnType::None)?;

    let root_context = 1;
    http_auth_random
        .call_proxy_on_context_create(root_context, 0)
        .execute_and_expect(ReturnType::None)?;

    let http_context = 2;
    http_auth_random
        .call_proxy_on_context_create(http_context, root_context)
        .execute_and_expect(ReturnType::None)?;

    http_auth_random
        .call_proxy_on_request_headers(http_context, 0, false)
        .expect_http_call(
            Some("httpbin"),
            Some(vec![
                (":method", "GET"),
                (":path", "/bytes/1"),
                (":authority", "httpbin.org"),
            ]),
            None,
            Some(vec![]),
            Some(5 * 10u64.pow(3)),
        )
        .returning(Some(0))
        .execute_and_expect(ReturnType::Action(Action::Pause))?;

    let buffer_data = "custom_developer_body";
    http_auth_random
        .call_proxy_on_http_call_response(http_context, 0, 0, buffer_data.len() as i32, 0)
        .expect_get_buffer_bytes(Some(BufferType::HttpCallResponseBody))
        .returning(Some(buffer_data.as_bytes()))
        .expect_send_local_response(
            Some(403),
            Some("Access forbidden.\n"),
            Some(vec![("Powered-By", "proxy-wasm")]),
            Some(-1),
        )
        .execute_and_expect(ReturnType::None)?;

    http_auth_random
        .call_proxy_on_response_headers(http_context, 0, false)
        .expect_replace_header_map_value(
            Some(MapType::HttpResponseHeaders),
            Some("Powered-By"),
            Some("proxy-wasm"),
        )
        .execute_and_expect(ReturnType::Action(Action::Continue))?;

    return Ok(());
}