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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", { a = "a" });
local stanza2 = st.preserialize(stanza);
assert.is_string(stanza2 and stanza.name, "preserialize returns a 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_nil(getmetatable(stanza2), "Preserialized stanza has no metatable");
end);
end);
describe("#preserialize()", function()
it("should work", function()
local stanza = st.stanza("message", { a = "a" });
local stanza2 = st.deserialize(st.preserialize(stanza));
assert.is_string(stanza2 and stanza.name, "deserialize returns a stanza");
assert.is_table(stanza2.attr, "Deserialized stanza has attributes");
assert.are.equal(stanza2.attr.a, "a", "Deserialized stanza retains attributes");
assert.is_table(getmetatable(stanza2), "Deserialized stanza has metatable");
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 work", function()
local i = st.iq();
assert.are.equal(i.name, "iq");
end);
end);
describe("#iq()", 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);
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);
end);
end);
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