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chore: create Lua test helper (#532)

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* Create lua test helper

Signed-off-by: James Hillyerd <james@hillyerd.com>

* Assert labels

Signed-off-by: James Hillyerd <james@hillyerd.com>

---------

Signed-off-by: James Hillyerd <james@hillyerd.com>
This commit is contained in:
James Hillyerd
2024-09-29 11:46:01 -07:00
committed by GitHub
parent b1b7e4b07c
commit 5284171dc5
6 changed files with 135 additions and 117 deletions
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82
pkg/extension/luahost/lua_test.go
View File

@@ -9,54 +9,12 @@ import (
"github.com/inbucket/inbucket/v3/pkg/extension"
"github.com/inbucket/inbucket/v3/pkg/extension/event"
"github.com/inbucket/inbucket/v3/pkg/extension/luahost"
"github.com/inbucket/inbucket/v3/pkg/test"
"github.com/rs/zerolog"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
lua "github.com/yuin/gopher-lua"
)
// LuaInit holds useful test globals.
const LuaInit = `
local logger = require("logger")
async = false
test_ok = true
-- Sends marks tests as failed instead of erroring when enabled.
function assert_async(value, message)
if not value then
if async then
logger.error(message, {from = "assert_async"})
test_ok = false
else
error(message)
end
end
end
-- Verifies plain values and list-style tables.
function assert_eq(got, want)
if type(got) == "table" and type(want) == "table" then
assert_async(#got == #want, string.format("got %d elements, wanted %d", #got, #want))
for i, gotv in ipairs(got) do
local wantv = want[i]
assert_eq(gotv, wantv, "got[%d] = %q, wanted %q", gotv, wantv)
end
return
end
assert_async(got == want, string.format("got %q, wanted %q", got, want))
end
-- Verifies string want contains string got.
function assert_contains(got, want)
assert_async(string.find(got, want),
string.format("got %q, wanted it to contain %q", got, want))
end
`
var consoleLogger = zerolog.New(zerolog.NewConsoleWriter())
func TestEmptyScript(t *testing.T) {
@@ -92,11 +50,12 @@ func TestAfterMessageDeleted(t *testing.T) {
-- Full message bindings tested elsewhere.
assert_eq(msg.mailbox, "mb1")
assert_eq(msg.id, "id1")
notify:send(test_ok)
notify:send(asserts_ok)
end
`
extHost := extension.NewHost()
luaHost, err := luahost.NewFromReader(consoleLogger, extHost, strings.NewReader(LuaInit+script), "test.lua")
luaHost, err := luahost.NewFromReader(consoleLogger, extHost,
strings.NewReader(test.LuaInit+script), "test.lua")
require.NoError(t, err)
notify := luaHost.CreateChannel("notify")
@@ -111,7 +70,7 @@ func TestAfterMessageDeleted(t *testing.T) {
Size: 42,
}
extHost.Events.AfterMessageDeleted.Emit(msg)
assertNotified(t, notify)
test.AssertNotified(t, notify)
}
func TestAfterMessageStored(t *testing.T) {
@@ -123,11 +82,12 @@ func TestAfterMessageStored(t *testing.T) {
-- Full message bindings tested elsewhere.
assert_eq(msg.mailbox, "mb1")
assert_eq(msg.id, "id1")
notify:send(test_ok)
notify:send(asserts_ok)
end
`
extHost := extension.NewHost()
luaHost, err := luahost.NewFromReader(consoleLogger, extHost, strings.NewReader(LuaInit+script), "test.lua")
luaHost, err := luahost.NewFromReader(consoleLogger, extHost,
strings.NewReader(test.LuaInit+script), "test.lua")
require.NoError(t, err)
notify := luaHost.CreateChannel("notify")
@@ -142,7 +102,7 @@ func TestAfterMessageStored(t *testing.T) {
Size: 42,
}
extHost.Events.AfterMessageStored.Emit(msg)
assertNotified(t, notify)
test.AssertNotified(t, notify)
}
func TestBeforeMailAccepted(t *testing.T) {
@@ -197,14 +157,14 @@ func TestBeforeMessageStored(t *testing.T) {
assert_eq(msg.mailboxes, {"one", "two"})
assert_eq(msg.from.name, "From Name")
assert_eq(msg.from.address, "from@example.com")
assert_eq(2, #msg.to)
assert_eq(2, #msg.to, "#msg.to")
assert_eq(msg.to[1].name, "To1 Name")
assert_eq(msg.to[1].address, "to1@example.com")
assert_eq(msg.to[2].name, "To2 Name")
assert_eq(msg.to[2].address, "to2@example.com")
assert_eq(msg.subject, "inbound subj")
assert_eq(msg.size, 42)
notify:send(test_ok)
assert_eq(msg.size, 42, "msg.size")
notify:send(asserts_ok)
-- Generate response.
res = inbound_message.new()
@@ -219,7 +179,8 @@ func TestBeforeMessageStored(t *testing.T) {
end
`
extHost := extension.NewHost()
luaHost, err := luahost.NewFromReader(consoleLogger, extHost, strings.NewReader(LuaInit+script), "test.lua")
luaHost, err := luahost.NewFromReader(consoleLogger, extHost,
strings.NewReader(test.LuaInit+script), "test.lua")
require.NoError(t, err)
notify := luaHost.CreateChannel("notify")
@@ -228,7 +189,7 @@ func TestBeforeMessageStored(t *testing.T) {
require.NotNil(t, got, "Expected result from Emit()")
// Verify Lua assertions passed.
assertNotified(t, notify)
test.AssertNotified(t, notify)
// Verify response values.
want := &event.InboundMessage{
@@ -243,16 +204,3 @@ func TestBeforeMessageStored(t *testing.T) {
}
assert.Equal(t, want, got, "Response InboundMessage did not match")
}
func assertNotified(t *testing.T, notify chan lua.LValue) {
t.Helper()
select {
case reslv := <-notify:
// Lua function received event.
if lua.LVIsFalse(reslv) {
t.Error("Lua responsed with false, wanted true")
}
case <-time.After(2 * time.Second):
t.Fatal("Lua did not respond to event within timeout")
}
}