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zzet--gortex/internal/resolver/react_native_bridge_test.go
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chore: import upstream snapshot with attribution
2026-07-13 12:33:42 +08:00

87 lines
2.9 KiB
Go

package resolver
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/zzet/gortex/internal/graph"
)
// rnNativeMethod adds a native (objc/java) method node carrying RN bridge
// metadata.
func rnNativeMethod(g graph.Store, id, lang, module, method string) {
g.AddNode(&graph.Node{
ID: id, Kind: graph.KindMethod, Name: lastSeg(id),
FilePath: id, StartLine: 1, Language: lang,
Meta: map[string]any{"rn_module": module, "rn_method": method},
})
}
// rnJSCall adds a JS caller plus its rn.native placeholder call edge.
func rnJSCall(g graph.Store, callerID, module, method string) {
g.AddNode(&graph.Node{ID: callerID, Kind: graph.KindFunction, Name: lastSeg(callerID), FilePath: "app.js", Language: "javascript"})
g.AddEdge(&graph.Edge{
From: callerID, To: "unresolved::rn::" + module + "::" + method,
Kind: graph.EdgeCalls, FilePath: "app.js", Line: 3,
Meta: map[string]any{"via": rnNativeVia, "rn_module": module, "rn_method": method},
})
}
func rnBridgeEdge(g graph.Store, from, to string) *graph.Edge {
for _, e := range g.GetOutEdges(from) {
if e.To == to && e.Kind == graph.EdgeCalls && e.Meta != nil {
if v, _ := e.Meta["via"].(string); v == rnBridgeVia {
return e
}
}
}
return nil
}
func TestResolveReactNativeBridge_BothPlatforms(t *testing.T) {
g := graph.New()
rnJSCall(g, "app.js::go", "Calendar", "createEvent")
rnNativeMethod(g, "ios/Calendar.m::createEvent:location:", "objc", "Calendar", "createEvent")
rnNativeMethod(g, "android/Calendar.java::CalendarModule.createEvent", "java", "Calendar", "createEvent")
n := ResolveReactNativeBridge(g)
assert.Equal(t, 2, n, "a JS call bridges to both the iOS and Android native impls")
ios := rnBridgeEdge(g, "app.js::go", "ios/Calendar.m::createEvent:location:")
require.NotNil(t, ios)
assert.Equal(t, "objc", ios.Meta["native_language"])
assert.Equal(t, SynthReactNative, ios.Meta[MetaSynthesizedBy])
assert.Equal(t, graph.OriginASTInferred, ios.Origin)
android := rnBridgeEdge(g, "app.js::go", "android/Calendar.java::CalendarModule.createEvent")
require.NotNil(t, android)
assert.Equal(t, "java", android.Meta["native_language"])
}
func TestResolveReactNativeBridge_NoNativeNoEdge(t *testing.T) {
g := graph.New()
rnJSCall(g, "app.js::go", "Calendar", "createEvent")
rnNativeMethod(g, "ios/Other.m::doThing", "objc", "Other", "doThing")
assert.Equal(t, 0, ResolveReactNativeBridge(g))
}
func TestResolveReactNativeBridge_Idempotent(t *testing.T) {
g := graph.New()
rnJSCall(g, "app.js::go", "Calendar", "createEvent")
rnNativeMethod(g, "ios/Calendar.m::createEvent:", "objc", "Calendar", "createEvent")
first := ResolveReactNativeBridge(g)
second := ResolveReactNativeBridge(g)
assert.Equal(t, first, second)
count := 0
for e := range g.EdgesByKind(graph.EdgeCalls) {
if e != nil && e.Meta != nil {
if v, _ := e.Meta["via"].(string); v == rnBridgeVia {
count++
}
}
}
assert.Equal(t, 1, count)
}