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local st = require "util.stanza";
describe("util.stanza", function()
describe("#preserialize()", function()
it("should work", function()
local stanza = st.stanza("message", { type = "chat" }):text_tag("body", "Hello");
local stanza2 = st.preserialize(stanza);
assert.is_table(stanza2, "Preserialized stanza is a table");
assert.is_nil(getmetatable(stanza2), "Preserialized stanza has no metatable");
assert.is_string(stanza2.name, "Preserialized stanza has a name field");
assert.equal(stanza.name, stanza2.name, "Preserialized stanza has same name as the input stanza");
assert.same(stanza.attr, stanza2.attr, "Preserialized stanza same attr table as input stanza");
assert.is_nil(stanza2.tags, "Preserialized stanza has no tag list");
assert.is_nil(stanza2.last_add, "Preserialized stanza has no last_add marker");
assert.is_table(stanza2[1], "Preserialized child element preserved");
assert.equal("body", stanza2[1].name, "Preserialized child element name preserved");
end);
end);
describe("#deserialize()", function()
it("should work", function()
local stanza = { name = "message", attr = { type = "chat" }, { name = "body", attr = { }, "Hello" } };
local stanza2 = st.deserialize(st.preserialize(stanza));
assert.is_table(stanza2, "Deserialized stanza is a table");
assert.equal(st.stanza_mt, getmetatable(stanza2), "Deserialized stanza has stanza metatable");
assert.is_string(stanza2.name, "Deserialized stanza has a name field");
assert.equal(stanza.name, stanza2.name, "Deserialized stanza has same name as the input table");
assert.same(stanza.attr, stanza2.attr, "Deserialized stanza same attr table as input table");
assert.is_table(stanza2.tags, "Deserialized stanza has tag list");
assert.is_table(stanza2[1], "Deserialized child element preserved");
assert.equal("body", stanza2[1].name, "Deserialized child element name preserved");
end);
end);
describe("#stanza()", function()
it("should work", function()
local s = st.stanza("foo", { xmlns = "myxmlns", a = "attr-a" });
assert.are.equal(s.name, "foo");
assert.are.equal(s.attr.xmlns, "myxmlns");
assert.are.equal(s.attr.a, "attr-a");
local s1 = st.stanza("s1");
assert.are.equal(s1.name, "s1");
assert.are.equal(s1.attr.xmlns, nil);
assert.are.equal(#s1, 0);
assert.are.equal(#s1.tags, 0);
s1:tag("child1");
assert.are.equal(#s1.tags, 1);
assert.are.equal(s1.tags[1].name, "child1");
s1:tag("grandchild1"):up();
assert.are.equal(#s1.tags, 1);
assert.are.equal(s1.tags[1].name, "child1");
assert.are.equal(#s1.tags[1], 1);
assert.are.equal(s1.tags[1][1].name, "grandchild1");
s1:up():tag("child2");
assert.are.equal(#s1.tags, 2, tostring(s1));
assert.are.equal(s1.tags[1].name, "child1");
assert.are.equal(s1.tags[2].name, "child2");
assert.are.equal(#s1.tags[1], 1);
assert.are.equal(s1.tags[1][1].name, "grandchild1");
s1:up():text("Hello world");
assert.are.equal(#s1.tags, 2);
assert.are.equal(#s1, 3);
assert.are.equal(s1.tags[1].name, "child1");
assert.are.equal(s1.tags[2].name, "child2");
assert.are.equal(#s1.tags[1], 1);
assert.are.equal(s1.tags[1][1].name, "grandchild1");
end);
it("should work with unicode values", function ()
local s = st.stanza("Объект", { xmlns = "myxmlns", ["Объект"] = "&" });
assert.are.equal(s.name, "Объект");
assert.are.equal(s.attr.xmlns, "myxmlns");
assert.are.equal(s.attr["Объект"], "&");
end);
it("should allow :text() with nil and empty strings", function ()
local s_control = st.stanza("foo");
assert.same(st.stanza("foo"):text(), s_control);
assert.same(st.stanza("foo"):text(nil), s_control);
assert.same(st.stanza("foo"):text(""), s_control);
end);
end);
describe("#message()", function()
it("should work", function()
local m = st.message();
assert.are.equal(m.name, "message");
end);
end);
describe("#iq()", function()
it("should create an iq stanza", function()
local i = st.iq({ type = "get", id = "foo" });
assert.are.equal("iq", i.name);
assert.are.equal("foo", i.attr.id);
assert.are.equal("get", i.attr.type);
end);
it("should reject stanzas with no attributes", function ()
assert.has.error_match(function ()
st.iq();
end, "attributes");
end);
it("should reject stanzas with no id", function ()
assert.has.error_match(function ()
st.iq({ type = "get" });
end, "id attribute");
end);
it("should reject stanzas with no type", function ()
assert.has.error_match(function ()
st.iq({ id = "foo" });
end, "type attribute");
end);
end);
describe("#presence()", function ()
it("should work", function()
local p = st.presence();
assert.are.equal(p.name, "presence");
end);
end);
describe("#reply()", function()
it("should work for <s>", function()
-- Test stanza
local s = st.stanza("s", { to = "touser", from = "fromuser", id = "123" })
:tag("child1");
-- Make reply stanza
local r = st.reply(s);
assert.are.equal(r.name, s.name);
assert.are.equal(r.id, s.id);
assert.are.equal(r.attr.to, s.attr.from);
assert.are.equal(r.attr.from, s.attr.to);
assert.are.equal(#r.tags, 0, "A reply should not include children of the original stanza");
end);
it("should work for <iq get>", function()
-- Test stanza
local s = st.stanza("iq", { to = "touser", from = "fromuser", id = "123", type = "get" })
:tag("child1");
-- Make reply stanza
local r = st.reply(s);
assert.are.equal(r.name, s.name);
assert.are.equal(r.id, s.id);
assert.are.equal(r.attr.to, s.attr.from);
assert.are.equal(r.attr.from, s.attr.to);
assert.are.equal(r.attr.type, "result");
assert.are.equal(#r.tags, 0, "A reply should not include children of the original stanza");
end);
it("should work for <iq set>", function()
-- Test stanza
local s = st.stanza("iq", { to = "touser", from = "fromuser", id = "123", type = "set" })
:tag("child1");
-- Make reply stanza
local r = st.reply(s);
assert.are.equal(r.name, s.name);
assert.are.equal(r.id, s.id);
assert.are.equal(r.attr.to, s.attr.from);
assert.are.equal(r.attr.from, s.attr.to);
assert.are.equal(r.attr.type, "result");
assert.are.equal(#r.tags, 0, "A reply should not include children of the original stanza");
end);
it("should reject not-stanzas", function ()
assert.has.error_match(function ()
st.reply(not "a stanza");
end, "expected stanza");
end);
it("should reject not-stanzas", function ()
assert.has.error_match(function ()
st.reply({name="x"});
end, "expected stanza");
end);
end);
describe("#error_reply()", function()
it("should work for <s>", function()
-- Test stanza
local s = st.stanza("s", { to = "touser", from = "fromuser", id = "123" })
:tag("child1");
-- Make reply stanza
local r = st.error_reply(s, "cancel", "service-unavailable");
assert.are.equal(r.name, s.name);
assert.are.equal(r.id, s.id);
assert.are.equal(r.attr.to, s.attr.from);
assert.are.equal(r.attr.from, s.attr.to);
assert.are.equal(#r.tags, 1);
assert.are.equal(r.tags[1].tags[1].name, "service-unavailable");
end);
it("should work for <iq get>", function()
-- Test stanza
local s = st.stanza("iq", { to = "touser", from = "fromuser", id = "123", type = "get" })
:tag("child1");
-- Make reply stanza
local r = st.error_reply(s, "cancel", "service-unavailable");
assert.are.equal(r.name, s.name);
assert.are.equal(r.id, s.id);
assert.are.equal(r.attr.to, s.attr.from);
assert.are.equal(r.attr.from, s.attr.to);
assert.are.equal(r.attr.type, "error");
assert.are.equal(#r.tags, 1);
assert.are.equal(r.tags[1].tags[1].name, "service-unavailable");
end);
end);
describe("should reject #invalid", function ()
local invalid_names = {
["empty string"] = "", ["characters"] = "<>";
}
local invalid_data = {
["number"] = 1234, ["table"] = {};
["utf8"] = string.char(0xF4, 0x90, 0x80, 0x80);
["nil"] = "nil"; ["boolean"] = true;
};
for value_type, value in pairs(invalid_names) do
it(value_type.." in tag names", function ()
assert.error_matches(function ()
st.stanza(value);
end, value_type);
end);
it(value_type.." in attribute names", function ()
assert.error_matches(function ()
st.stanza("valid", { [value] = "valid" });
end, value_type);
end);
end
for value_type, value in pairs(invalid_data) do
if value == "nil" then value = nil; end
it(value_type.." in tag names", function ()
assert.error_matches(function ()
st.stanza(value);
end, value_type);
end);
it(value_type.." in attribute names", function ()
assert.error_matches(function ()
st.stanza("valid", { [value] = "valid" });
end, value_type);
end);
if value ~= nil then
it(value_type.." in attribute values", function ()
assert.error_matches(function ()
st.stanza("valid", { valid = value });
end, value_type);
end);
it(value_type.." in text node", function ()
assert.error_matches(function ()
st.stanza("valid"):text(value);
end, value_type);
end);
end
end
end);
describe("#is_stanza", function ()
-- is_stanza(any) -> boolean
it("identifies stanzas as stanzas", function ()
assert.truthy(st.is_stanza(st.stanza("x")));
end);
it("identifies strings as not stanzas", function ()
assert.falsy(st.is_stanza(""));
end);
it("identifies numbers as not stanzas", function ()
assert.falsy(st.is_stanza(1));
end);
it("identifies tables as not stanzas", function ()
assert.falsy(st.is_stanza({}));
end);
end);
describe("#remove_children", function ()
it("should work", function ()
local s = st.stanza("x", {xmlns="test"})
:tag("y", {xmlns="test"}):up()
:tag("z", {xmlns="test2"}):up()
:tag("x", {xmlns="test2"}):up()
s:remove_children("x");
assert.falsy(s:get_child("x"))
assert.truthy(s:get_child("z","test2"));
assert.truthy(s:get_child("x","test2"));
s:remove_children(nil, "test2");
assert.truthy(s:get_child("y"))
assert.falsy(s:get_child(nil,"test2"));
s:remove_children();
assert.falsy(s.tags[1]);
end);
end);
describe("#maptags", function ()
it("should work", function ()
local s = st.stanza("test")
:tag("one"):up()
:tag("two"):up()
:tag("one"):up()
:tag("three"):up();
local function one_filter(tag)
if tag.name == "one" then
return nil;
end
return tag;
end
assert.equal(4, #s.tags);
s:maptags(one_filter);
assert.equal(2, #s.tags);
end);
it("should work with multiple consecutive text nodes", function ()
local s = st.deserialize({
"\n";
{
"away";
name = "show";
attr = {};
};
"\n";
{
"I am away";
name = "status";
attr = {};
};
"\n";
{
"0";
name = "priority";
attr = {};
};
"\n";
{
name = "c";
attr = {
xmlns = "http://jabber.org/protocol/caps";
node = "http://psi-im.org";
hash = "sha-1";
};
};
"\n";
"\n";
name = "presence";
attr = {
to = "user@example.com/jflsjfld";
from = "room@chat.example.org/nick";
};
});
assert.equal(4, #s.tags);
s:maptags(function (tag) return tag; end);
assert.equal(4, #s.tags);
s:maptags(function (tag)
if tag.name == "c" then
return nil;
end
return tag;
end);
assert.equal(3, #s.tags);
end);
it("errors on invalid data - #981", function ()
local s = st.message({}, "Hello");
s.tags[1] = st.clone(s.tags[1]);
assert.has_error_match(function ()
s:maptags(function () end);
end, "Invalid stanza");
end);
end);
describe("#clone", function ()
it("works", function ()
local s = st.message({type="chat"}, "Hello"):reset();
local c = st.clone(s);
assert.same(s, c);
end);
it("works", function ()
assert.has_error(function ()
st.clone("this is not a stanza");
end);
end);
end);
describe("top_tag", function ()
local xml_parse = require "util.xml".parse;
it("works", function ()
local s = st.message({type="chat"}, "Hello");
local top_tag = s:top_tag();
assert.is_string(top_tag);
assert.not_equal("/>", top_tag:sub(-2, -1));
assert.equal(">", top_tag:sub(-1, -1));
local s2 = xml_parse(top_tag.."</message>");
assert(st.is_stanza(s2));
assert.equal("message", s2.name);
assert.equal(0, #s2);
assert.equal(0, #s2.tags);
assert.equal("chat", s2.attr.type);
end);
it("works with namespaced attributes", function ()
local s = xml_parse[[<message foo:bar='true' xmlns:foo='my-awesome-ns'/>]];
local top_tag = s:top_tag();
assert.is_string(top_tag);
assert.not_equal("/>", top_tag:sub(-2, -1));
assert.equal(">", top_tag:sub(-1, -1));
local s2 = xml_parse(top_tag.."</message>");
assert(st.is_stanza(s2));
assert.equal("message", s2.name);
assert.equal(0, #s2);
assert.equal(0, #s2.tags);
assert.equal("true", s2.attr["my-awesome-ns\1bar"]);
end);
end);
end);
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