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-rw-r--r--spec/util_error_spec.lua216
1 files changed, 216 insertions, 0 deletions
diff --git a/spec/util_error_spec.lua b/spec/util_error_spec.lua
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index 00000000..be176635
--- /dev/null
+++ b/spec/util_error_spec.lua
@@ -0,0 +1,216 @@
+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);
+