zig/lib/std/net/test.zig

92 lines
3.1 KiB
Zig

const std = @import("../std.zig");
const net = std.net;
const mem = std.mem;
const testing = std.testing;
test "parse and render IPv6 addresses" {
const addr = try net.IpAddress.parseIp6("FF01:0:0:0:0:0:0:FB", 80);
var buf: [100]u8 = undefined;
const printed = try std.fmt.bufPrint(&buf, "{}", addr);
std.testing.expect(mem.eql(u8, "[ff01::fb]:80", printed));
}
test "parse and render IPv4 addresses" {
var buffer: [18]u8 = undefined;
for ([_][]const u8{
"0.0.0.0",
"255.255.255.255",
"1.2.3.4",
"123.255.0.91",
"127.0.0.1",
}) |ip| {
var addr = net.IpAddress.parseIp4(ip, 0);
var newIp = std.fmt.bufPrint(buffer[0..], "{}", addr) catch unreachable;
std.testing.expect(std.mem.eql(u8, ip, newIp[0 .. newIp.len - 2]));
}
testing.expectError(error.Overflow, net.IpAddress.parseIp4("256.0.0.1", 0));
testing.expectError(error.InvalidCharacter, net.IpAddress.parseIp4("x.0.0.1", 0));
testing.expectError(error.InvalidEnd, net.IpAddress.parseIp4("127.0.0.1.1", 0));
testing.expectError(error.Incomplete, net.IpAddress.parseIp4("127.0.0.", 0));
testing.expectError(error.InvalidCharacter, net.IpAddress.parseIp4("100..0.1", 0));
}
test "resolve DNS" {
if (std.builtin.os == .windows) {
// DNS resolution not implemented on Windows yet.
return error.SkipZigTest;
}
var buf: [1000 * 10]u8 = undefined;
const a = &std.heap.FixedBufferAllocator.init(&buf).allocator;
const address_list = net.getAddressList(a, "example.com", 80) catch |err| switch (err) {
// The tests are required to work even when there is no Internet connection,
// so some of these errors we must accept and skip the test.
error.UnknownHostName => return error.SkipZigTest,
error.TemporaryNameServerFailure => return error.SkipZigTest,
else => return err,
};
address_list.deinit();
}
test "listen on a port, send bytes, receive bytes" {
if (std.builtin.os != .linux) {
// TODO build abstractions for other operating systems
return error.SkipZigTest;
}
if (std.io.mode != .evented) {
// TODO add ability to run tests in non-blocking I/O mode
return error.SkipZigTest;
}
// TODO doing this at comptime crashed the compiler
const localhost = net.IpAddress.parse("127.0.0.1", 0);
var server = net.TcpServer.init(net.TcpServer.Options{});
defer server.deinit();
try server.listen(localhost);
var server_frame = async testServer(&server);
var client_frame = async testClient(server.listen_address);
try await server_frame;
try await client_frame;
}
fn testClient(addr: net.IpAddress) anyerror!void {
const socket_file = try net.tcpConnectToAddress(addr);
defer socket_file.close();
var buf: [100]u8 = undefined;
const len = try socket_file.read(&buf);
const msg = buf[0..len];
testing.expect(mem.eql(u8, msg, "hello from server\n"));
}
fn testServer(server: *net.TcpServer) anyerror!void {
var client_file = try server.accept();
const stream = &client_file.outStream().stream;
try stream.print("hello from server\n");
}