async: use std http client with loop

src/async/test.zig

@@ -0,0 +1,60 @@
+const std = @import("std");
+const http = std.http;
+const StdClient = @import("Client.zig");
+// const hasync = @import("http.zig");
+
+pub const Loop = @import("jsruntime").Loop;
+
+const url = "https://www.w3.org/";
+
+test "blocking mode fetch API" {
+    const alloc = std.testing.allocator;
+
+    var loop = try Loop.init(alloc);
+    defer loop.deinit();
+
+    var client: StdClient = .{
+        .allocator = alloc,
+        .loop = &loop,
+    };
+    defer client.deinit();
+
+    // force client's CA cert scan from system.
+    try client.ca_bundle.rescan(client.allocator);
+
+    var res = try client.fetch(alloc, .{
+        .location = .{ .uri = try std.Uri.parse(url) },
+        .payload = .none,
+    });
+    defer res.deinit();
+
+    try std.testing.expect(res.status == .ok);
+}
+
+test "blocking mode open/send/wait API" {
+    const alloc = std.testing.allocator;
+
+    var loop = try Loop.init(alloc);
+    defer loop.deinit();
+
+    var client: StdClient = .{
+        .allocator = alloc,
+        .loop = &loop,
+    };
+    defer client.deinit();
+
+    // force client's CA cert scan from system.
+    try client.ca_bundle.rescan(client.allocator);
+
+    var headers = try std.http.Headers.initList(alloc, &[_]std.http.Field{});
+    defer headers.deinit();
+
+    var req = try client.open(.GET, try std.Uri.parse(url), headers, .{});
+    defer req.deinit();
+
+    try req.send(.{});
+    try req.finish();
+    try req.wait();
+
+    try std.testing.expect(req.response.status == .ok);
+}