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const std = @import("std");
const Allocator = std.mem.Allocator;
const Lexer = @import("lexer/Lexer.zig");
const Element = @import("eval/Element.zig");
const parser = @import("parser.zig");
const ParserFn = fn (Allocator, *Lexer) parser.Error!Element;
pub fn do(comptime parse: ParserFn, parent: Allocator, t: []const u8, v: []const u8) !void {
var arena = std.heap.ArenaAllocator.init(parent);
defer arena.deinit();
var alloc = arena.allocator();
var l = try Lexer.init(t);
var p = try parse(alloc, &l);
const g = try p.renderHTML(alloc);
defer alloc.free(g);
std.testing.expect(std.mem.eql(u8, g, v)) catch |err| {
std.debug.print("got: {s}\nwanted: {s}\n", .{ g, v });
return err;
};
}
pub fn doError(comptime parse: ParserFn, parent: Allocator, t: []const u8, err: parser.Error) !void {
var arena = std.heap.ArenaAllocator.init(parent);
defer arena.deinit();
var l = try Lexer.init(t);
_ = parse(arena.allocator(), &l) catch |e| {
return std.testing.expect(err == e) catch |v| {
std.debug.print("{}\n", .{v});
return e;
};
};
return error.ExpectingError;
}
pub fn doMath(comptime parse: ParserFn, parent: Allocator, t: []const u8, v: []const u8) !void {
if (@import("config").short) return;
var arena = std.heap.ArenaAllocator.init(parent);
defer arena.deinit();
var alloc = arena.allocator();
var l = try Lexer.init(t);
var p = try parse(alloc, &l);
const g = try p.renderHTML(alloc);
defer alloc.free(g);
try std.testing.expect(blk: {
var g_iter = std.mem.splitSequence(u8, g, " ");
var v_iter = std.mem.splitSequence(u8, v, " ");
while (g_iter.next()) |g_it| {
const v_it = v_iter.next() orelse break :blk false;
if ((std.mem.startsWith(u8, g_it, "xlink:href=") and std.mem.startsWith(u8, g_it, "xlink:href")) or
(std.mem.startsWith(u8, g_it, "id=") and std.mem.startsWith(u8, v_it, "id="))) continue;
if (!std.mem.eql(u8, g_it, v_it)) {
std.debug.print("not the same: {s} vs {s}\n", .{ g_it, v_it });
break :blk false;
}
}
break :blk v_iter.next() == null;
});
}
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