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local errors = require "util.error"
describe("util.error", function ()
describe("new()", function ()
it("works", function ()
local err = errors.new("bork", "bork bork");
assert.not_nil(err);
assert.equal("cancel", err.type);
assert.equal("undefined-condition", err.condition);
assert.same("bork bork", err.context);
end);
describe("templates", function ()
it("works", function ()
local templates = {
["fail"] = {
type = "wait",
condition = "internal-server-error",
code = 555;
};
};
local err = errors.new("fail", { traceback = "in some file, somewhere" }, templates);
assert.equal("wait", err.type);
assert.equal("internal-server-error", err.condition);
assert.equal(555, err.code);
assert.same({ traceback = "in some file, somewhere" }, err.context);
end);
end);
end);
describe("is_err()", function ()
it("works", function ()
assert.truthy(errors.is_err(errors.new()));
assert.falsy(errors.is_err("not an error"));
end);
end);
describe("coerce", function ()
it("works", function ()
local ok, err = errors.coerce(nil, "it dun goofed");
assert.is_nil(ok);
assert.truthy(errors.is_err(err))
end);
end);
describe("from_stanza", function ()
it("works", function ()
local st = require "util.stanza";
local m = st.message({ type = "chat" });
local e = st.error_reply(m, "modify", "bad-request", nil, "error.example"):tag("extra", { xmlns = "xmpp:example.test" });
local err = errors.from_stanza(e);
assert.truthy(errors.is_err(err));
assert.equal("modify", err.type);
assert.equal("bad-request", err.condition);
assert.equal(e, err.context.stanza);
assert.equal("error.example", err.context.by);
assert.not_nil(err.extra.tag);
end);
end);
describe("__tostring", function ()
it("doesn't throw", function ()
assert.has_no.errors(function ()
-- See 6f317e51544d
tostring(errors.new());
end);
end);
end);
describe("extra", function ()
it("keeps some extra fields", function ()
local err = errors.new({condition="gone",text="Sorry mate, it's all gone",extra={uri="file:///dev/null"}});
assert.is_table(err.extra);
assert.equal("file:///dev/null", err.extra.uri);
end);
end)
describe("init", function()
it("basics works", function()
local reg = errors.init("test", {
broke = {type = "cancel"; condition = "internal-server-error"; text = "It broke :("};
nope = {type = "auth"; condition = "not-authorized"; text = "Can't let you do that Dave"};
});
local broke = reg.new("broke");
assert.equal("cancel", broke.type);
assert.equal("internal-server-error", broke.condition);
assert.equal("It broke :(", broke.text);
assert.equal("test", broke.source);
local nope = reg.new("nope");
assert.equal("auth", nope.type);
assert.equal("not-authorized", nope.condition);
assert.equal("Can't let you do that Dave", nope.text);
end);
it("compact mode works", function()
local reg = errors.init("test", "spec", {
broke = {"cancel"; "internal-server-error"; "It broke :("};
nope = {"auth"; "not-authorized"; "Can't let you do that Dave"; "sorry-dave"};
});
local broke = reg.new("broke");
assert.equal("cancel", broke.type);
assert.equal("internal-server-error", broke.condition);
assert.equal("It broke :(", broke.text);
assert.is_nil(broke.extra);
local nope = reg.new("nope");
assert.equal("auth", nope.type);
assert.equal("not-authorized", nope.condition);
assert.equal("Can't let you do that Dave", nope.text);
assert.equal("spec", nope.extra.namespace);
assert.equal("sorry-dave", nope.extra.condition);
end);
it("registry looks the same regardless of syntax", function()
local normal = errors.init("test", {
broke = {type = "cancel"; condition = "internal-server-error"; text = "It broke :("};
nope = {
type = "auth";
condition = "not-authorized";
text = "Can't let you do that Dave";
extra = {namespace = "spec"; condition = "sorry-dave"};
};
});
local compact1 = errors.init("test", "spec", {
broke = {"cancel"; "internal-server-error"; "It broke :("};
nope = {"auth"; "not-authorized"; "Can't let you do that Dave"; "sorry-dave"};
});
local compact2 = errors.init("test", {
broke = {"cancel"; "internal-server-error"; "It broke :("};
nope = {"auth"; "not-authorized"; "Can't let you do that Dave"};
});
assert.same(normal.registry, compact1.registry);
assert.same({
broke = {type = "cancel"; condition = "internal-server-error"; text = "It broke :("};
nope = {type = "auth"; condition = "not-authorized"; text = "Can't let you do that Dave"};
}, compact2.registry);
end);
describe(".wrap", function ()
local reg = errors.init("test", "spec", {
myerror = { "cancel", "internal-server-error", "Oh no" };
});
it("is exposed", function ()
assert.is_function(reg.wrap);
end);
it("returns errors according to the registry", function ()
local e = reg.wrap("myerror");
assert.equal("cancel", e.type);
assert.equal("internal-server-error", e.condition);
assert.equal("Oh no", e.text);
end);
it("passes through existing errors", function ()
local e = reg.wrap(reg.new({ type = "auth", condition = "forbidden" }));
assert.equal("auth", e.type);
assert.equal("forbidden", e.condition);
end);
it("wraps arbitrary values", function ()
local e = reg.wrap(123);
assert.equal("cancel", e.type);
assert.equal("undefined-condition", e.condition);
assert.equal(123, e.context.wrapped_error);
end);
end);
describe(".coerce", function ()
local reg = errors.init("test", "spec", {
myerror = { "cancel", "internal-server-error", "Oh no" };
});
it("is exposed", function ()
assert.is_function(reg.coerce);
end);
it("passes through existing errors", function ()
local function test()
return nil, errors.new({ type = "auth", condition = "forbidden" });
end
local ok, err = reg.coerce(test());
assert.is_nil(ok);
assert.is_truthy(errors.is_err(err));
assert.equal("forbidden", err.condition);
end);
it("passes through successful return values", function ()
local function test()
return 1, 2, 3, 4;
end
local one, two, three, four = reg.coerce(test());
assert.equal(1, one);
assert.equal(2, two);
assert.equal(3, three);
assert.equal(4, four);
end);
it("wraps non-error objects", function ()
local function test()
return nil, "myerror";
end
local ok, err = reg.coerce(test());
assert.is_nil(ok);
assert.is_truthy(errors.is_err(err));
assert.equal("internal-server-error", err.condition);
assert.equal("Oh no", err.text);
end);
end);
end);
end);
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