more tests for endpoint/Lua functions

endpoint/endpoint_test.go

@@ -4,10 +4,58 @@ import (
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 	lua "github.com/yuin/gopher-lua"
 )
 
-func TestLuaTableConversions(t *testing.T) {
+func TestToLuaTable(t *testing.T) {
+	state := lua.NewState()
+	defer state.Close()
+	err := state.DoFile("test_lua/test_to_lua_table.lua")
+	require.NoError(t, err)
+	testFunc := state.Get(-1).(*lua.LFunction)
+
+	endpoint := &Endpoint{
+		Hostname:  "test-host",
+		IPv4s:     []string{"192.0.2.1"},
+		IPv6s:     []string{"2001:db8::1"},
+		RecordTTL: 60,
+		SourceProperties: map[string]any{
+			"source_prop": "prop",
+		},
+		ProviderProperties: map[string]any{
+			"provider_prop": "prop",
+		},
+	}
+	ltEndpoint := endpoint.ToLuaTable(state)
+	co, _ := state.NewThread()
+	st, err, _ := state.Resume(co, testFunc, ltEndpoint)
+	require.NoError(t, err)
+	require.Equal(t, st, lua.ResumeOK)
+}
+
+func TestFromLuaTable(t *testing.T) {
+	state := lua.NewState()
+	defer state.Close()
+	err := state.DoFile("test_lua/test_from_lua_table.lua")
+	require.NoError(t, err)
+	testFunc := state.Get(-1).(*lua.LFunction)
+	co, _ := state.NewThread()
+	st, err, values := state.Resume(co, testFunc)
+	require.NoError(t, err)
+	require.Equal(t, st, lua.ResumeOK)
+	ltEndpoint := values[0].(*lua.LTable)
+	endpoint := FromLuaTable(state, ltEndpoint)
+	assert.Equal(t, "test-host", endpoint.Hostname)
+	assert.Equal(t, []string{"192.0.2.1"}, endpoint.IPv4s)
+	assert.Equal(t, []string{"2001:db8::1"}, endpoint.IPv6s)
+	assert.Equal(t, int64(60), endpoint.RecordTTL)
+	assert.Equal(t, map[string]any{"source_prop": "prop"}, endpoint.SourceProperties)
+	assert.Equal(t, map[string]any{"provider_prop": "prop"}, endpoint.ProviderProperties)
+}
+
+func TestLuaTableDiff(t *testing.T) {
 	tests := map[string]struct {
 		endpoint *Endpoint
 	}{

endpoint/test_lua/test_from_lua_table.lua

@@ -0,0 +1,14 @@
+return function ()
+  return {
+    hostname = "test-host",
+    ipv4s = { "192.0.2.1" },
+    ipv6s = { "2001:db8::1" },
+    record_ttl = 60,
+    source_properties = {
+      source_prop = "prop",
+    },
+    provider_properties = {
+      provider_prop = "prop",
+    },
+  }
+end

endpoint/test_lua/test_to_lua_table.lua

@@ -0,0 +1,14 @@
+local assert_equal = function(a, b)
+  if not a == b then
+    error(string.format("mismatch: '%s' != '%s'.", a, b))
+  end
+end
+
+return function (endpoint)
+  assert_equal(endpoint.hostname, "test-host")
+  assert_equal(endpoint.ipv4s[1], "192.0.2.1")
+  assert_equal(endpoint.ipv6s[1], "2001:db8::1")
+  assert_equal(endpoint.record_ttl, 60)
+  assert_equal(endpoint.source_properties.source_prop, "prop")
+  assert_equal(endpoint.provider_properties.provider_prop, "prop")
+end