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Add http method routing

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This commit is contained in:
jaina heartles 2022-05-19 20:27:21 -07:00
parent 126ab9a57b
commit d4d3226a39
1 changed files with 24 additions and 9 deletions
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33
src/router.zig
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@ -1,4 +1,5 @@
const std = @import("std");
const http = @import("./http.zig");
pub fn Router(comptime Context: type) type {
return struct {
@ -7,15 +8,16 @@ pub fn Router(comptime Context: type) type {
const Route = struct {
path: []const u8,
method: http.Method,
handler: H,
};
routes: []const Route,
route_404: H,
pub fn dispatch(self: *const Self, path: []const u8, ctx: Context) void {
pub fn dispatch(self: *const Self, method: http.Method, path: []const u8, ctx: Context) void {
for (self.routes) |r| {
if (std.mem.eql(u8, path, r.path)) {
if (method == r.method and std.mem.eql(u8, path, r.path)) {
return r.handler(ctx);
}
}
@ -53,38 +55,51 @@ const _tests = struct {
test "Router(T).dispatch" {
const mock_a = CallTracker(.{}, dummyHandler);
const mock_a_post = CallTracker(.{}, dummyHandler);
const mock_b = CallTracker(.{}, dummyHandler);
const mock_c = CallTracker(.{}, dummyHandler);
const mock_404 = CallTracker(.{}, dummyHandler);
const R = Router(Context).Route;
const routes = [_]R{
.{ .handler = mock_a.func, .path = "/a" },
.{ .handler = mock_b.func, .path = "/b" },
.{ .handler = mock_c.func, .path = "/c" },
.{ .handler = mock_a.func, .method = .GET, .path = "/a" },
.{ .handler = mock_a_post.func, .method = .POST, .path = "/a" },
.{ .handler = mock_b.func, .method = .GET, .path = "/b" },
.{ .handler = mock_c.func, .method = .GET, .path = "/c" },
};
const router = Router(Context){ .routes = &routes, .route_404 = mock_404.func };
router.dispatch("/a", .{});
router.dispatch(.GET, "/a", .{});
try mock_a.expectCalled(1);
try mock_a_post.expectCalled(0);
try mock_b.expectCalled(0);
try mock_c.expectCalled(0);
try mock_404.expectCalled(0);
router.dispatch("/b", .{});
router.dispatch(.GET, "/b", .{});
try mock_a.expectCalled(1);
try mock_a_post.expectCalled(0);
try mock_b.expectCalled(1);
try mock_c.expectCalled(0);
try mock_404.expectCalled(0);
router.dispatch("/a", .{});
router.dispatch(.GET, "/a", .{});
try mock_a.expectCalled(2);
try mock_a_post.expectCalled(0);
try mock_b.expectCalled(1);
try mock_c.expectCalled(0);
try mock_404.expectCalled(0);
router.dispatch("/abcd", .{});
router.dispatch(.GET, "/abcd", .{});
try mock_a.expectCalled(2);
try mock_a_post.expectCalled(0);
try mock_b.expectCalled(1);
try mock_c.expectCalled(0);
try mock_404.expectCalled(1);
router.dispatch(.POST, "/a", .{});
try mock_a.expectCalled(2);
try mock_a_post.expectCalled(1);
try mock_b.expectCalled(1);
try mock_c.expectCalled(0);
try mock_404.expectCalled(1);