File

spec/util_dataforms_spec.lua @ 13553:850e4ade7a01

net.server_epoll: Make running out of buffer space a fatal error Prevent Bad Things from happening when the buffer gets full. This of course opens up the possibility of intentionally killing connections by sending much stuff, which need to be mitigated with rate limits elsewhere.
author Kim Alvefur <zash@zash.se>
date Sat, 09 Nov 2024 15:42:31 +0100
parent 12636:e8934ce6ea0f
line wrap: on
line source

local dataforms = require "util.dataforms";
local st = require "util.stanza";
local jid = require "util.jid";
local iter = require "util.iterators";

describe("util.dataforms", function ()
	local some_form, xform;
	setup(function ()
		some_form = dataforms.new({
			title = "form-title",
			instructions = "form-instructions",
			{
				type = "hidden",
				name = "FORM_TYPE",
				value = "xmpp:prosody.im/spec/util.dataforms#1",
			};
			{
				type = "fixed";
				value = "Fixed field";
			},
			{
				type = "boolean",
				label = "boolean-label",
				name = "boolean-field",
				value = true,
			},
			{
				type = "fixed",
				label = "fixed-label",
				name = "fixed-field",
				value = "fixed-value",
			},
			{
				type = "hidden",
				label = "hidden-label",
				name = "hidden-field",
				value = "hidden-value",
			},
			{
				type = "jid-multi",
				label = "jid-multi-label",
				name = "jid-multi-field",
				value = {
					"jid@multi/value#1",
					"jid@multi/value#2",
				},
			},
			{
				type = "jid-single",
				label = "jid-single-label",
				name = "jid-single-field",
				value = "jid@single/value",
			},
			{
				type = "list-multi",
				label = "list-multi-label",
				name = "list-multi-field",
				value = {
					"list-multi-option-value#1",
					"list-multi-option-value#3",
				},
				options = {
					{
						label = "list-multi-option-label#1",
						value = "list-multi-option-value#1",
						default = true,
					},
					{
						label = "list-multi-option-label#2",
						value = "list-multi-option-value#2",
						default = false,
					},
					{
						label = "list-multi-option-label#3",
						value = "list-multi-option-value#3",
						default = true,
					},
				}
			},
			{
				type = "list-single",
				label = "list-single-label",
				name = "list-single-field",
				value = "list-single-value",
				options = {
					"list-single-value",
					"list-single-value#2",
					"list-single-value#3",
				}
			},
			{
				type = "text-multi",
				label = "text-multi-label",
				name = "text-multi-field",
				value = "text\nmulti\nvalue",
			},
			{
				type = "text-private",
				label = "text-private-label",
				name = "text-private-field",
				value = "text-private-value",
			},
			{
				type = "text-single",
				label = "text-single-label",
				name = "text-single-field",
				value = "text-single-value",
			},
			{
				-- XEP-0221
				-- TODO Validate the XML produced by this.
				type = "text-single",
				label = "text-single-with-media-label",
				name = "text-single-with-media-field",
				media = {
					height = 24,
					width = 32,
					{
						type = "image/png",
						uri = "data:",
					},
				},
			},
		});
		xform = some_form:form();
	end);

	it("XML serialization looks like it should", function ()
		assert.truthy(xform);
		assert.truthy(st.is_stanza(xform));
		assert.equal("x", xform.name);
		assert.equal("jabber:x:data", xform.attr.xmlns);
		assert.equal("FORM_TYPE", xform:get_child_attr("field", nil, "var"));
		assert.equal("xmpp:prosody.im/spec/util.dataforms#1", xform:find("field/value#"));
		local allowed_direct_children = {
			title = true,
			instructions = true,
			field = true,
		}
		for tag in xform:childtags() do
			assert.truthy(allowed_direct_children[tag.name], "unknown direct child");
		end
	end);

	it("produced boolean field correctly", function ()
		local f;
		for field in xform:childtags("field") do
			if field.attr.var == "boolean-field" then
				f = field;
				break;
			end
		end

		assert.truthy(st.is_stanza(f));
		assert.equal("boolean-field", f.attr.var);
		assert.equal("boolean", f.attr.type);
		assert.equal("boolean-label", f.attr.label);
		assert.equal(1, iter.count(f:childtags("value")));
		local val = f:get_child_text("value");
		assert.truthy(val == "true" or val == "1");
	end);

	it("produced fixed field correctly", function ()
		local f;
		for field in xform:childtags("field") do
			if field.attr.var == "fixed-field" then
				f = field;
				break;
			end
		end

		assert.truthy(st.is_stanza(f));
		assert.equal("fixed-field", f.attr.var);
		assert.equal("fixed", f.attr.type);
		assert.equal("fixed-label", f.attr.label);
		assert.equal(1, iter.count(f:childtags("value")));
		assert.equal("fixed-value", f:get_child_text("value"));
	end);

	it("produced hidden field correctly", function ()
		local f;
		for field in xform:childtags("field") do
			if field.attr.var == "hidden-field" then
				f = field;
				break;
			end
		end

		assert.truthy(st.is_stanza(f));
		assert.equal("hidden-field", f.attr.var);
		assert.equal("hidden", f.attr.type);
		assert.equal("hidden-label", f.attr.label);
		assert.equal(1, iter.count(f:childtags("value")));
		assert.equal("hidden-value", f:get_child_text("value"));
	end);

	it("produced jid-multi field correctly", function ()
		local f;
		for field in xform:childtags("field") do
			if field.attr.var == "jid-multi-field" then
				f = field;
				break;
			end
		end

		assert.truthy(st.is_stanza(f));
		assert.equal("jid-multi-field", f.attr.var);
		assert.equal("jid-multi", f.attr.type);
		assert.equal("jid-multi-label", f.attr.label);
		assert.equal(2, iter.count(f:childtags("value")));

		local i = 0;
		for value in f:childtags("value") do
			i = i + 1;
			assert.equal(("jid@multi/value#%d"):format(i), value:get_text());
		end
	end);

	it("produced jid-single field correctly", function ()
		local f;
		for field in xform:childtags("field") do
			if field.attr.var == "jid-single-field" then
				f = field;
				break;
			end
		end

		assert.truthy(st.is_stanza(f));
		assert.equal("jid-single-field", f.attr.var);
		assert.equal("jid-single", f.attr.type);
		assert.equal("jid-single-label", f.attr.label);
		assert.equal(1, iter.count(f:childtags("value")));
		assert.equal("jid@single/value", f:get_child_text("value"));
		assert.truthy(jid.prep(f:get_child_text("value")));
	end);

	it("produced list-multi field correctly", function ()
		local f;
		for field in xform:childtags("field") do
			if field.attr.var == "list-multi-field" then
				f = field;
				break;
			end
		end

		assert.truthy(st.is_stanza(f));
		assert.equal("list-multi-field", f.attr.var);
		assert.equal("list-multi", f.attr.type);
		assert.equal("list-multi-label", f.attr.label);
		assert.equal(2, iter.count(f:childtags("value")));
		assert.equal("list-multi-option-value#1", f:get_child_text("value"));
		assert.equal(3, iter.count(f:childtags("option")));
	end);

	it("produced list-single field correctly", function ()
		local f;
		for field in xform:childtags("field") do
			if field.attr.var == "list-single-field" then
				f = field;
				break;
			end
		end

		assert.truthy(st.is_stanza(f));
		assert.equal("list-single-field", f.attr.var);
		assert.equal("list-single", f.attr.type);
		assert.equal("list-single-label", f.attr.label);
		assert.equal(1, iter.count(f:childtags("value")));
		assert.equal("list-single-value", f:get_child_text("value"));
		assert.equal(3, iter.count(f:childtags("option")));
	end);

	it("produced text-multi field correctly", function ()
		local f;
		for field in xform:childtags("field") do
			if field.attr.var == "text-multi-field" then
				f = field;
				break;
			end
		end

		assert.truthy(st.is_stanza(f));
		assert.equal("text-multi-field", f.attr.var);
		assert.equal("text-multi", f.attr.type);
		assert.equal("text-multi-label", f.attr.label);
		assert.equal(3, iter.count(f:childtags("value")));
	end);

	it("produced text-private field correctly", function ()
		local f;
		for field in xform:childtags("field") do
			if field.attr.var == "text-private-field" then
				f = field;
				break;
			end
		end

		assert.truthy(st.is_stanza(f));
		assert.equal("text-private-field", f.attr.var);
		assert.equal("text-private", f.attr.type);
		assert.equal("text-private-label", f.attr.label);
		assert.equal(1, iter.count(f:childtags("value")));
		assert.equal("text-private-value", f:get_child_text("value"));
	end);

	it("produced text-single field correctly", function ()
		local f;
		for field in xform:childtags("field") do
			if field.attr.var == "text-single-field" then
				f = field;
				break;
			end
		end

		assert.truthy(st.is_stanza(f));
		assert.equal("text-single-field", f.attr.var);
		assert.equal("text-single", f.attr.type);
		assert.equal("text-single-label", f.attr.label);
		assert.equal(1, iter.count(f:childtags("value")));
		assert.equal("text-single-value", f:get_child_text("value"));
	end);

	describe("get_type()", function ()
		it("identifes dataforms", function ()
			assert.equal(nil, dataforms.get_type(nil));
			assert.equal(nil, dataforms.get_type(""));
			assert.equal(nil, dataforms.get_type({}));
			assert.equal(nil, dataforms.get_type(st.stanza("no-a-form")));
			assert.equal("xmpp:prosody.im/spec/util.dataforms#1", dataforms.get_type(xform));
		end);
	end);

	describe(":data", function ()
		it("returns something", function ()
			assert.truthy(some_form:data(xform));
		end);
	end);

	describe("issue1177", function ()
		local form_with_stuff;
		setup(function ()
			form_with_stuff = dataforms.new({
				{
					type = "list-single";
					name = "abtest";
					label = "A or B?";
					options = {
						{ label = "A", value = "a", default = true },
						{ label = "B", value = "b" },
					};
				},
			});
		end);

		it("includes options when value is included", function ()
			local f = form_with_stuff:form({ abtest = "a" });
			assert.truthy(f:find("field/option"));
		end);

		it("includes options when value is excluded", function ()
			local f = form_with_stuff:form({});
			assert.truthy(f:find("field/option"));
		end);
	end);

	describe("using current values in place of missing fields", function ()
		it("gets back the previous values when given an empty form", function ()
			local current = {
				["list-multi-field"] = {
					"list-multi-option-value#2";
				};
				["list-single-field"] = "list-single-value#2";
				["hidden-field"] = "hidden-value";
				["boolean-field"] = false;
				["text-multi-field"] = "words\ngo\nhere";
				["jid-single-field"] = "alice@example.com";
				["text-private-field"] = "hunter2";
				["text-single-field"] = "text-single-value";
				["jid-multi-field"] = {
					"bob@example.net";
				};
			};
			local expect = {
				-- FORM_TYPE = "xmpp:prosody.im/spec/util.dataforms#1"; -- does this need to be included?
				["list-multi-field"] = {
					"list-multi-option-value#2";
				};
				["list-single-field"] = "list-single-value#2";
				["hidden-field"] = "hidden-value";
				["boolean-field"] = false;
				["text-multi-field"] = "words\ngo\nhere";
				["jid-single-field"] = "alice@example.com";
				["text-private-field"] = "hunter2";
				["text-single-field"] = "text-single-value";
				["jid-multi-field"] = {
					"bob@example.net";
				};
			};
			local data, err = some_form:data(st.stanza("x", {xmlns="jabber:x:data"}), current);
			assert.is.table(data, err);
			assert.same(expect, data, "got back the same data");
		end);
	end);

	describe("field 'var' property", function ()
		it("works as expected", function ()
			local f = dataforms.new {
				{
					var = "someprefix#the-field",
					name = "the_field",
					type = "text-single",
				}
			};
			local x = f:form({the_field = "hello"});
			assert.equal("someprefix#the-field", x:find"field@var");
			assert.equal("hello", x:find"field/value#");
		end);
	end);

	describe("number handling", function()
		it("handles numbers as booleans", function()
			local f = dataforms.new { { name = "boolean"; type = "boolean" } };
			local x = f:form({ boolean = 0 });
			assert.equal("0", x:find "field/value#");
			x = f:form({ boolean = 1 });
			assert.equal("1", x:find "field/value#");
		end);
	end)

	describe("datatype validation", function ()
		describe("integer", function ()

			local f = dataforms.new {
				{
					name = "number",
					type = "text-single",
					datatype = "xs:integer",
					range_min = -10,
					range_max = 10,
				},
			};

			it("roundtrip works", function ()
				local d = f:data(f:form({number = 1}));
				assert.equal(1, d.number);
			end);

			it("error handling works", function ()
				local d,e = f:data(f:form({number = "nan"}));
				assert.not_equal(1, d.number);
				assert.table(e);
				assert.string(e.number);
			end);

			it("bounds-checking work works", function ()
				local d,e = f:data(f:form({number = 100}));
				assert.not_equal(100, d.number);
				assert.table(e);
				assert.string(e.number);
			end);

			it("serializes larger ints okay", function ()
				local x = f:form{number=1125899906842624}
				assert.equal("1125899906842624", x:find("field/value#"))
			end);

		end)

		describe("datetime", function ()
			local f = dataforms.new { { name = "when"; type = "text-single"; datatype = "xs:dateTime" } }

			it("works", function ()
				local x = f:form({ when = 1219439340 });
				assert.equal("2008-08-22T21:09:00Z", x:find("field/value#"))
				local d, e = f:data(x);
				assert.is_nil(e);
				assert.same({ when = 1219439340 }, d);
			end);

		end)

	end);
	describe("media element", function ()
		it("produced media element correctly", function ()
			local f;
			for field in xform:childtags("field") do
				if field.attr.var == "text-single-with-media-field" then
					f = field;
					break;
				end
			end

			assert.truthy(st.is_stanza(f));
			assert.equal("text-single-with-media-field", f.attr.var);
			assert.equal("text-single", f.attr.type);
			assert.equal("text-single-with-media-label", f.attr.label);
			assert.equal(0, iter.count(f:childtags("value")));

			local m = f:get_child("media", "urn:xmpp:media-element");
			assert.truthy(st.is_stanza(m));
			assert.equal("24", m.attr.height);
			assert.equal("32", m.attr.width);
			assert.equal(1, iter.count(m:childtags("uri")));

			local u = m:get_child("uri");
			assert.truthy(st.is_stanza(u));
			assert.equal("image/png", u.attr.type);
			assert.equal("data:", u:get_text());
		end);
	end);
end);