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Add Set-Cookie parsing
This commit is contained in:
Karl Seguin
2086
src/datetime.zig
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2086
src/datetime.zig
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File diff suppressed because it is too large
Load Diff
421
src/storage/cookie.zig
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421
src/storage/cookie.zig
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@@ -0,0 +1,421 @@
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const std = @import("std");
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const Uri = std.Uri;
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const Allocator = std.mem.Allocator;
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const ArenaAllocator = std.heap.ArenaAllocator;
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const DateTime = @import("../datetime.zig").DateTime;
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pub const Cookie = struct {
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arena: ArenaAllocator,
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name: []const u8,
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value: []const u8,
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path: []const u8,
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domain: []const u8,
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expires: ?i64,
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secure: bool,
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http_only: bool,
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same_site: SameSite,
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const SameSite = enum {
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strict,
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lax,
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none,
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};
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pub fn deinit(self: *const Cookie) void {
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self.arena.deinit();
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}
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// There's https://datatracker.ietf.org/doc/html/rfc6265 but browsers are
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// far less strict. I only found 2 cases where browsers will reject a cookie:
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// - a byte 0...32 and 127..255 anywhere in the cookie (the HTTP header
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// parser might take care of this already)
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// - any shenanigans with the domain attribute - it has to be the current
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// domain or one of higher order, exluding TLD.
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// Anything else, will turn into a cookie.
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// Single value? That's a cookie with an emtpy name and a value
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// Key or Values with characters the RFC says aren't allowed? Allowed! (
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// (as long as the characters are 32...126)
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// Invalid attributes? Ignored.
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// Invalid attribute values? Ignore.
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// Duplicate attributes - use the last valid
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// Value-less attributes with a value? Ignore the value
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pub fn parse(allocator: Allocator, uri: std.Uri, str: []const u8) !Cookie {
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if (str.len == 0) {
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// this check is necessary, `std.mem.minMax` asserts len > 0
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return error.Empty;
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}
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const host = (uri.host orelse return error.InvalidURI).percent_encoded;
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{
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const min, const max = std.mem.minMax(u8, str);
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if (min < 32 or max > 126) {
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return error.InvalidByteSequence;
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}
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}
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var arena = ArenaAllocator.init(allocator);
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errdefer arena.deinit();
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const cookie_name, const cookie_value, const rest = parseNameValue(str) catch {
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return error.InvalidNameValue;
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};
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var scrap: [8]u8 = undefined;
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var path: ?[]const u8 = null;
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var domain: ?[]const u8 = null;
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var secure: ?bool = null;
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var max_age: ?i64 = null;
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var http_only: ?bool = null;
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var expires: ?DateTime = null;
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var same_site: ?Cookie.SameSite = null;
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var it = std.mem.splitScalar(u8, rest, ';');
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while (it.next()) |attribute| {
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const sep = std.mem.indexOfScalarPos(u8, attribute, 0, '=') orelse attribute.len;
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const key_string = trim(attribute[0..sep]);
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if (key_string.len > 8) {
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// not valid, ignore
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continue;
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}
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// Make sure no one changes our max length without also expanding the size of scrap
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std.debug.assert(key_string.len <= 8);
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const key = std.meta.stringToEnum(enum {
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path,
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domain,
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secure,
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@"max-age",
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expires,
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httponly,
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samesite,
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}, std.ascii.lowerString(&scrap, key_string)) orelse continue;
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var value = if (sep == attribute.len) "" else trim(attribute[sep + 1 ..]);
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switch (key) {
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.path => {
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// path attribute value either begins with a '/' or we
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// ignore it and use the "default-path" algorithm
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if (value.len > 0 and value[0] == '/') {
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path = value;
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}
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},
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.domain => {
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if (value.len == 0) {
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continue;
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}
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if (value[0] == '.') {
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// leading dot is ignored
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value = value[1..];
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}
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if (std.mem.indexOfScalarPos(u8, value, 0, '.') == null) {
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// can't set a cookie for a TLD
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return error.InvalidDomain;
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}
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if (std.mem.endsWith(u8, host, value) == false) {
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return error.InvalidDomain;
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}
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domain = value;
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},
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.secure => secure = true,
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.@"max-age" => max_age = std.fmt.parseInt(i64, value, 10) catch continue,
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.expires => expires = DateTime.parse(value, .rfc822) catch continue,
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.httponly => http_only = true,
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.samesite => {
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same_site = std.meta.stringToEnum(Cookie.SameSite, std.ascii.lowerString(&scrap, value)) orelse continue;
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},
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}
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}
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const aa = arena.allocator();
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const owned_name = try aa.dupe(u8, cookie_name);
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const owned_value = try aa.dupe(u8, cookie_value);
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const owned_path = if (path) |p|
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try aa.dupe(u8, p)
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else
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try defaultPath(aa, uri.path.percent_encoded);
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const owned_domain = if (domain) |d| blk: {
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const s = try aa.alloc(u8, d.len + 1);
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s[0] = '.';
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@memcpy(s[1..], d);
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break :blk s;
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} else blk: {
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break :blk try aa.dupe(u8, host);
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};
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var normalized_expires: ?i64 = null;
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if (max_age) |ma| {
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normalized_expires = std.time.timestamp() + ma;
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} else {
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// max age takes priority over expires
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if (expires) |e| {
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normalized_expires = e.sub(DateTime.now(), .seconds);
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}
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}
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return .{
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.arena = arena,
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.name = owned_name,
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.value = owned_value,
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.path = owned_path,
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.same_site = same_site orelse .lax,
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.secure = secure orelse false,
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.http_only = http_only orelse false,
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.domain = owned_domain,
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.expires = normalized_expires,
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};
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}
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fn parseNameValue(str: []const u8) !struct { []const u8, []const u8, []const u8 } {
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const key_value_end = std.mem.indexOfScalarPos(u8, str, 0, ';') orelse str.len;
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const rest = if (key_value_end == str.len) "" else str[key_value_end + 1 ..];
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const sep = std.mem.indexOfScalarPos(u8, str[0..key_value_end], 0, '=') orelse {
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const value = trim(str[0..key_value_end]);
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if (value.len == 0) {
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return error.Empty;
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}
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return .{ "", value, rest };
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};
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const name = trim(str[0..sep]);
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const value = trim(str[sep + 1 .. key_value_end]);
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return .{ name, value, rest };
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}
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};
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fn defaultPath(allocator: Allocator, document_path: []const u8) ![]const u8 {
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if (document_path.len == 0 or (document_path.len == 1 and document_path[0] == '/')) {
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return "/";
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}
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const last = std.mem.lastIndexOfScalar(u8, document_path[1..], '/') orelse {
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return "/";
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};
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return try allocator.dupe(u8, document_path[0 .. last + 1]);
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}
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fn trim(str: []const u8) []const u8 {
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return std.mem.trim(u8, str, &std.ascii.whitespace);
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}
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fn trimLeft(str: []const u8) []const u8 {
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return std.mem.trimLeft(u8, str, &std.ascii.whitespace);
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}
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fn trimRight(str: []const u8) []const u8 {
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return std.mem.trimLeft(u8, str, &std.ascii.whitespace);
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}
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const testing = @import("../testing.zig");
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test "Cookie: parse key=value" {
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try expectError(error.Empty, null, "");
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try expectError(error.InvalidByteSequence, null, &.{ 'a', 30, '=', 'b' });
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try expectError(error.InvalidByteSequence, null, &.{ 'a', 127, '=', 'b' });
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try expectError(error.InvalidByteSequence, null, &.{ 'a', '=', 'b', 20 });
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try expectError(error.InvalidByteSequence, null, &.{ 'a', '=', 'b', 128 });
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try expectAttribute(.{ .name = "", .value = "a" }, null, "a");
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try expectAttribute(.{ .name = "", .value = "a" }, null, "a;");
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try expectAttribute(.{ .name = "", .value = "a b" }, null, "a b");
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try expectAttribute(.{ .name = "a b", .value = "b" }, null, "a b=b");
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try expectAttribute(.{ .name = "a,", .value = "b" }, null, "a,=b");
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try expectAttribute(.{ .name = ":a>", .value = "b>><" }, null, ":a>=b>><");
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try expectAttribute(.{ .name = "abc", .value = "" }, null, "abc=");
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try expectAttribute(.{ .name = "abc", .value = "" }, null, "abc=;");
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try expectAttribute(.{ .name = "a", .value = "b" }, null, "a=b");
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try expectAttribute(.{ .name = "a", .value = "b" }, null, "a=b;");
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try expectAttribute(.{ .name = "abc", .value = "fe f" }, null, "abc= fe f");
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try expectAttribute(.{ .name = "abc", .value = "fe f" }, null, "abc= fe f ");
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try expectAttribute(.{ .name = "abc", .value = "fe f" }, null, "abc= fe f;");
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try expectAttribute(.{ .name = "abc", .value = "fe f" }, null, "abc= fe f ;");
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try expectAttribute(.{ .name = "abc", .value = "\" fe f\"" }, null, "abc=\" fe f\"");
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try expectAttribute(.{ .name = "abc", .value = "\" fe f \"" }, null, "abc=\" fe f \"");
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try expectAttribute(.{ .name = "ab4344c", .value = "1ads23" }, null, " ab4344c=1ads23 ");
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try expectAttribute(.{ .name = "ab4344c", .value = "1ads23" }, null, " ab4344c = 1ads23 ;");
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}
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test "Cookie: parse path" {
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try expectAttribute(.{ .path = "/" }, "http://a/", "b");
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try expectAttribute(.{ .path = "/" }, "http://a/", "b;path");
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try expectAttribute(.{ .path = "/" }, "http://a/", "b;Path=");
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try expectAttribute(.{ .path = "/" }, "http://a/", "b;Path=;");
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try expectAttribute(.{ .path = "/" }, "http://a/", "b; Path=other");
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try expectAttribute(.{ .path = "/" }, "http://a/23", "b; path=other ");
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try expectAttribute(.{ .path = "/" }, "http://a/abc", "b");
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try expectAttribute(.{ .path = "/abc" }, "http://a/abc/", "b");
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try expectAttribute(.{ .path = "/abc" }, "http://a/abc/123", "b");
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try expectAttribute(.{ .path = "/abc/123" }, "http://a/abc/123/", "b");
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try expectAttribute(.{ .path = "/a" }, "http://a/", "b;Path=/a");
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try expectAttribute(.{ .path = "/aa" }, "http://a/", "b;path=/aa;");
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try expectAttribute(.{ .path = "/aabc/" }, "http://a/", "b; path= /aabc/ ;");
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try expectAttribute(.{ .path = "/bbb/" }, "http://a/", "b; path=/a/; path=/bbb/");
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try expectAttribute(.{ .path = "/cc" }, "http://a/", "b; path=/a/; path=/bbb/; path = /cc");
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}
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test "Cookie: parse secure" {
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try expectAttribute(.{ .secure = false }, null, "b");
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try expectAttribute(.{ .secure = false }, null, "b;secured");
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try expectAttribute(.{ .secure = false }, null, "b;security");
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try expectAttribute(.{ .secure = false }, null, "b;SecureX");
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try expectAttribute(.{ .secure = true }, null, "b; Secure");
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try expectAttribute(.{ .secure = true }, null, "b; Secure ");
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try expectAttribute(.{ .secure = true }, null, "b; Secure=on ");
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try expectAttribute(.{ .secure = true }, null, "b; Secure=Off ");
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try expectAttribute(.{ .secure = true }, null, "b; secure=Off ");
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try expectAttribute(.{ .secure = true }, null, "b; seCUre=Off ");
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}
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test "Cookie: parse httponly" {
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try expectAttribute(.{ .http_only = false }, null, "b");
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try expectAttribute(.{ .http_only = false }, null, "b;HttpOnly0");
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try expectAttribute(.{ .http_only = false }, null, "b;H ttpOnly");
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try expectAttribute(.{ .http_only = true }, null, "b; HttpOnly");
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try expectAttribute(.{ .http_only = true }, null, "b; Httponly ");
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try expectAttribute(.{ .http_only = true }, null, "b; Httponly=on ");
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try expectAttribute(.{ .http_only = true }, null, "b; httpOnly=Off ");
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try expectAttribute(.{ .http_only = true }, null, "b; httpOnly=Off ");
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try expectAttribute(.{ .http_only = true }, null, "b; HttpOnly=Off ");
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|
}
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|
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test "Cookie: parse strict" {
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try expectAttribute(.{ .same_site = .lax }, null, "b;samesite");
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try expectAttribute(.{ .same_site = .lax }, null, "b;samesite=lax");
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try expectAttribute(.{ .same_site = .lax }, null, "b; SameSite=Lax ");
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try expectAttribute(.{ .same_site = .lax }, null, "b; SameSite=Other ");
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try expectAttribute(.{ .same_site = .lax }, null, "b; SameSite=Nope ");
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try expectAttribute(.{ .same_site = .none }, null, "b; samesite=none ");
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try expectAttribute(.{ .same_site = .none }, null, "b; SameSite=None ");
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try expectAttribute(.{ .same_site = .none }, null, "b; SameSite=None;");
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try expectAttribute(.{ .same_site = .none }, null, "b; SameSite=None");
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|
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try expectAttribute(.{ .same_site = .strict }, null, "b; samesite=Strict ");
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try expectAttribute(.{ .same_site = .strict }, null, "b; SameSite= STRICT ");
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try expectAttribute(.{ .same_site = .strict }, null, "b; SameSITE=strict;");
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try expectAttribute(.{ .same_site = .strict }, null, "b; SameSite=Strict");
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|
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try expectAttribute(.{ .same_site = .none }, null, "b; SameSite=Strict; SameSite=lax; SameSite=NONE");
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|
}
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|
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||||||
|
test "Cookie: parse max-age" {
|
||||||
|
try expectAttribute(.{ .expires = null }, null, "b;max-age");
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try expectAttribute(.{ .expires = null }, null, "b;max-age=abc");
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try expectAttribute(.{ .expires = null }, null, "b;max-age=13.22");
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try expectAttribute(.{ .expires = null }, null, "b;max-age=13abc");
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|
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try expectAttribute(.{ .expires = std.time.timestamp() + 13 }, null, "b;max-age=13");
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try expectAttribute(.{ .expires = std.time.timestamp() + -22 }, null, "b;max-age=-22");
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try expectAttribute(.{ .expires = std.time.timestamp() + 4294967296 }, null, "b;max-age=4294967296");
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try expectAttribute(.{ .expires = std.time.timestamp() + -4294967296 }, null, "b;Max-Age= -4294967296");
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try expectAttribute(.{ .expires = std.time.timestamp() + 0 }, null, "b; Max-Age=0");
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try expectAttribute(.{ .expires = std.time.timestamp() + 500 }, null, "b; Max-Age = 500 ; Max-Age=invalid");
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||||||
|
try expectAttribute(.{ .expires = std.time.timestamp() + 1000 }, null, "b;max-age=600;max-age=0;max-age = 1000");
|
||||||
|
}
|
||||||
|
|
||||||
|
test "Cookie: parse expires" {
|
||||||
|
try expectAttribute(.{ .expires = null }, null, "b;expires=");
|
||||||
|
try expectAttribute(.{ .expires = null }, null, "b;expires=abc");
|
||||||
|
try expectAttribute(.{ .expires = null }, null, "b;expires=13.22");
|
||||||
|
try expectAttribute(.{ .expires = null }, null, "b;expires=33");
|
||||||
|
|
||||||
|
try expectAttribute(.{ .expires = 1918798080 - std.time.timestamp() }, null, "b;expires=Wed, 21 Oct 2030 07:28:00 GMT");
|
||||||
|
// max-age has priority over expires
|
||||||
|
try expectAttribute(.{ .expires = std.time.timestamp() + 10 }, null, "b;Max-Age=10; expires=Wed, 21 Oct 2030 07:28:00 GMT");
|
||||||
|
}
|
||||||
|
|
||||||
|
test "Cookie: parse all" {
|
||||||
|
try expectCookie(.{
|
||||||
|
.name = "user-id",
|
||||||
|
.value = "9000",
|
||||||
|
.path = "/cms",
|
||||||
|
.domain = "lightpanda.io",
|
||||||
|
}, "https://lightpanda.io/cms/users", "user-id=9000");
|
||||||
|
|
||||||
|
try expectCookie(.{
|
||||||
|
.name = "user-id",
|
||||||
|
.value = "9000",
|
||||||
|
.path = "/",
|
||||||
|
.http_only = true,
|
||||||
|
.secure = true,
|
||||||
|
.domain = ".lightpanda.io",
|
||||||
|
.expires = std.time.timestamp() + 30,
|
||||||
|
}, "https://lightpanda.io/cms/users", "user-id=9000; HttpOnly; Max-Age=30; Secure; path=/; Domain=lightpanda.io");
|
||||||
|
}
|
||||||
|
|
||||||
|
test "Cookie: parse domain" {
|
||||||
|
try expectAttribute(.{ .domain = "lightpanda.io" }, "http://lightpanda.io/", "b");
|
||||||
|
try expectAttribute(.{ .domain = "dev.lightpanda.io" }, "http://dev.lightpanda.io/", "b");
|
||||||
|
try expectAttribute(.{ .domain = ".lightpanda.io" }, "http://lightpanda.io/", "b;domain=lightpanda.io");
|
||||||
|
try expectAttribute(.{ .domain = ".lightpanda.io" }, "http://lightpanda.io/", "b;domain=.lightpanda.io");
|
||||||
|
try expectAttribute(.{ .domain = ".dev.lightpanda.io" }, "http://dev.lightpanda.io/", "b;domain=dev.lightpanda.io");
|
||||||
|
try expectAttribute(.{ .domain = ".lightpanda.io" }, "http://dev.lightpanda.io/", "b;domain=lightpanda.io");
|
||||||
|
try expectAttribute(.{ .domain = ".lightpanda.io" }, "http://dev.lightpanda.io/", "b;domain=.lightpanda.io");
|
||||||
|
|
||||||
|
try expectError(error.InvalidDomain, "http://lightpanda.io/", "b;domain=io");
|
||||||
|
try expectError(error.InvalidDomain, "http://lightpanda.io/", "b;domain=.io");
|
||||||
|
try expectError(error.InvalidDomain, "http://lightpanda.io/", "b;domain=other.lightpanda.io");
|
||||||
|
try expectError(error.InvalidDomain, "http://lightpanda.io/", "b;domain=other.lightpanda.com");
|
||||||
|
try expectError(error.InvalidDomain, "http://lightpanda.io/", "b;domain=other.example.com");
|
||||||
|
}
|
||||||
|
|
||||||
|
const ExpectedCookie = struct {
|
||||||
|
name: []const u8,
|
||||||
|
value: []const u8,
|
||||||
|
path: []const u8,
|
||||||
|
domain: []const u8,
|
||||||
|
expires: ?i64 = null,
|
||||||
|
secure: bool = false,
|
||||||
|
http_only: bool = false,
|
||||||
|
same_site: Cookie.SameSite = .lax,
|
||||||
|
};
|
||||||
|
|
||||||
|
fn expectCookie(expected: ExpectedCookie, url: []const u8, set_cookie: []const u8) !void {
|
||||||
|
const uri = try Uri.parse(url);
|
||||||
|
var cookie = try Cookie.parse(testing.allocator, uri, set_cookie);
|
||||||
|
defer cookie.deinit();
|
||||||
|
|
||||||
|
try testing.expectEqual(expected.name, cookie.name);
|
||||||
|
try testing.expectEqual(expected.value, cookie.value);
|
||||||
|
try testing.expectEqual(expected.secure, cookie.secure);
|
||||||
|
try testing.expectEqual(expected.http_only, cookie.http_only);
|
||||||
|
try testing.expectEqual(expected.same_site, cookie.same_site);
|
||||||
|
try testing.expectEqual(expected.path, cookie.path);
|
||||||
|
try testing.expectEqual(expected.domain, cookie.domain);
|
||||||
|
|
||||||
|
try testing.expectDelta(expected.expires, cookie.expires, 2);
|
||||||
|
}
|
||||||
|
|
||||||
|
fn expectAttribute(expected: anytype, url: ?[]const u8, set_cookie: []const u8) !void {
|
||||||
|
const uri = if (url) |u| try Uri.parse(u) else dummy_test_uri;
|
||||||
|
var cookie = try Cookie.parse(testing.allocator, uri, set_cookie);
|
||||||
|
defer cookie.deinit();
|
||||||
|
|
||||||
|
inline for (@typeInfo(@TypeOf(expected)).Struct.fields) |f| {
|
||||||
|
if (comptime std.mem.eql(u8, f.name, "expires")) {
|
||||||
|
try testing.expectDelta(expected.expires, cookie.expires, 1);
|
||||||
|
} else {
|
||||||
|
try testing.expectEqual(@field(expected, f.name), @field(cookie, f.name));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn expectError(expected: anyerror, url: ?[]const u8, set_cookie: []const u8) !void {
|
||||||
|
const uri = if (url) |u| try Uri.parse(u) else dummy_test_uri;
|
||||||
|
try testing.expectError(expected, Cookie.parse(testing.allocator, uri, set_cookie));
|
||||||
|
}
|
||||||
|
|
||||||
|
const dummy_test_uri = Uri.parse("http://lightpanda.io/") catch unreachable;
|
||||||
134
src/testing.zig
Normal file
134
src/testing.zig
Normal file
@@ -0,0 +1,134 @@
|
|||||||
|
const std = @import("std");
|
||||||
|
|
||||||
|
pub const allocator = std.testing.allocator;
|
||||||
|
pub const expectError = std.testing.expectError;
|
||||||
|
pub const expectString = std.testing.expectEqualStrings;
|
||||||
|
|
||||||
|
// Merged std.testing.expectEqual and std.testing.expectString
|
||||||
|
// can be useful when testing fields of an anytype an you don't know
|
||||||
|
// exactly how to assert equality
|
||||||
|
pub fn expectEqual(expected: anytype, actual: anytype) !void {
|
||||||
|
switch (@typeInfo(@TypeOf(actual))) {
|
||||||
|
.Array => |arr| if (arr.child == u8) {
|
||||||
|
return std.testing.expectEqualStrings(expected, &actual);
|
||||||
|
},
|
||||||
|
.Pointer => |ptr| if (ptr.child == u8) {
|
||||||
|
return std.testing.expectEqualStrings(expected, actual);
|
||||||
|
} else if (comptime isStringArray(ptr.child)) {
|
||||||
|
return std.testing.expectEqualStrings(expected, actual);
|
||||||
|
} else if (ptr.child == []u8 or ptr.child == []const u8) {
|
||||||
|
return expectString(expected, actual);
|
||||||
|
},
|
||||||
|
.Struct => |structType| {
|
||||||
|
inline for (structType.fields) |field| {
|
||||||
|
try expectEqual(@field(expected, field.name), @field(actual, field.name));
|
||||||
|
}
|
||||||
|
return;
|
||||||
|
},
|
||||||
|
.Optional => {
|
||||||
|
if (actual == null) {
|
||||||
|
return std.testing.expectEqual(null, expected);
|
||||||
|
}
|
||||||
|
return expectEqual(expected, actual.?);
|
||||||
|
},
|
||||||
|
.Union => |union_info| {
|
||||||
|
if (union_info.tag_type == null) {
|
||||||
|
@compileError("Unable to compare untagged union values");
|
||||||
|
}
|
||||||
|
const Tag = std.meta.Tag(@TypeOf(expected));
|
||||||
|
|
||||||
|
const expectedTag = @as(Tag, expected);
|
||||||
|
const actualTag = @as(Tag, actual);
|
||||||
|
try expectEqual(expectedTag, actualTag);
|
||||||
|
|
||||||
|
inline for (std.meta.fields(@TypeOf(actual))) |fld| {
|
||||||
|
if (std.mem.eql(u8, fld.name, @tagName(actualTag))) {
|
||||||
|
try expectEqual(@field(expected, fld.name), @field(actual, fld.name));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
unreachable;
|
||||||
|
},
|
||||||
|
else => {},
|
||||||
|
}
|
||||||
|
return std.testing.expectEqual(expected, actual);
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn expectDelta(expected: anytype, actual: anytype, delta: anytype) !void {
|
||||||
|
if (@typeInfo(@TypeOf(expected)) == .Null) {
|
||||||
|
return std.testing.expectEqual(null, actual);
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (@typeInfo(@TypeOf(actual))) {
|
||||||
|
.Optional => {
|
||||||
|
if (actual) |value| {
|
||||||
|
return expectDelta(expected, value, delta);
|
||||||
|
}
|
||||||
|
return std.testing.expectEqual(null, expected);
|
||||||
|
},
|
||||||
|
else => {},
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (@typeInfo(@TypeOf(expected))) {
|
||||||
|
.Optional => {
|
||||||
|
if (expected) |value| {
|
||||||
|
return expectDelta(value, actual, delta);
|
||||||
|
}
|
||||||
|
return std.testing.expectEqual(null, actual);
|
||||||
|
},
|
||||||
|
else => {},
|
||||||
|
}
|
||||||
|
|
||||||
|
var diff = expected - actual;
|
||||||
|
if (diff < 0) {
|
||||||
|
diff = -diff;
|
||||||
|
}
|
||||||
|
if (diff <= delta) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
print("Expected {} to be within {} of {}. Actual diff: {}", .{ expected, delta, actual, diff });
|
||||||
|
return error.NotWithinDelta;
|
||||||
|
}
|
||||||
|
|
||||||
|
fn isStringArray(comptime T: type) bool {
|
||||||
|
if (!is(.array)(T) and !isPtrTo(.array)(T)) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
return std.meta.Elem(T) == u8;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub const TraitFn = fn (type) bool;
|
||||||
|
pub fn is(comptime id: std.builtin.TypeId) TraitFn {
|
||||||
|
const Closure = struct {
|
||||||
|
pub fn trait(comptime T: type) bool {
|
||||||
|
return id == @typeInfo(T);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
return Closure.trait;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn isPtrTo(comptime id: std.builtin.TypeId) TraitFn {
|
||||||
|
const Closure = struct {
|
||||||
|
pub fn trait(comptime T: type) bool {
|
||||||
|
if (!comptime isSingleItemPtr(T)) return false;
|
||||||
|
return id == @typeInfo(std.meta.Child(T));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
return Closure.trait;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn isSingleItemPtr(comptime T: type) bool {
|
||||||
|
if (comptime is(.pointer)(T)) {
|
||||||
|
return @typeInfo(T).Pointer.size == .one;
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn print(comptime fmt: []const u8, args: anytype) void {
|
||||||
|
if (@inComptime()) {
|
||||||
|
@compileError(std.fmt.comptimePrint(fmt, args));
|
||||||
|
} else {
|
||||||
|
std.debug.print(fmt, args);
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -378,8 +378,10 @@ test {
|
|||||||
std.testing.refAllDecls(@import("generate.zig"));
|
std.testing.refAllDecls(@import("generate.zig"));
|
||||||
std.testing.refAllDecls(@import("http/Client.zig"));
|
std.testing.refAllDecls(@import("http/Client.zig"));
|
||||||
std.testing.refAllDecls(@import("storage/storage.zig"));
|
std.testing.refAllDecls(@import("storage/storage.zig"));
|
||||||
|
std.testing.refAllDecls(@import("storage/cookie.zig"));
|
||||||
std.testing.refAllDecls(@import("iterator/iterator.zig"));
|
std.testing.refAllDecls(@import("iterator/iterator.zig"));
|
||||||
std.testing.refAllDecls(@import("server.zig"));
|
std.testing.refAllDecls(@import("server.zig"));
|
||||||
std.testing.refAllDecls(@import("cdp/cdp.zig"));
|
std.testing.refAllDecls(@import("cdp/cdp.zig"));
|
||||||
std.testing.refAllDecls(@import("log.zig"));
|
std.testing.refAllDecls(@import("log.zig"));
|
||||||
|
std.testing.refAllDecls(@import("datetime.zig"));
|
||||||
}
|
}
|
||||||
|
|||||||
Reference in New Issue
Block a user