fix: fix test.scoped inheritance (#7814)

Author: hi-ogawa

packages/runner/src/suite.ts

@@ -295,6 +295,7 @@ function createSuiteCollector(
   mode: RunMode,
   each?: boolean,
   suiteOptions?: TestOptions,
+  parentCollectorFixtures?: FixtureItem[],
 ) {
   const tasks: (Test | Suite | SuiteCollector)[] = []
 
@@ -395,7 +396,7 @@ function createSuiteCollector(
     test.type = 'test'
   })
 
-  let collectorFixtures: FixtureItem[] | undefined
+  let collectorFixtures = parentCollectorFixtures
 
   const collector: SuiteCollector = {
     type: 'collector',
@@ -555,6 +556,7 @@ function createSuite() {
       mode,
       this.each,
       options,
+      currentSuite?.fixtures(),
     )
   }
 
@@ -768,14 +770,15 @@ export function createTaskCollector(
     ) {
       const collector = getCurrentSuite()
       const scopedFixtures = collector.fixtures()
+      const context = { ...this }
       if (scopedFixtures) {
-        this.fixtures = mergeScopedFixtures(
-          this.fixtures || [],
+        context.fixtures = mergeScopedFixtures(
+          context.fixtures || [],
           scopedFixtures,
         )
       }
       collector.test.fn.call(
-        this,
+        context,
         formatName(name),
         optionsOrFn as TestOptions,
         optionsOrTest as TestFunction,

test/core/test/test-extend.test.ts

@@ -451,3 +451,39 @@ describe('scoping variables to suite', () => {
     })
   })
 })
+
+describe('test.scoped repro #7793', () => {
+  const extendedTest = test.extend<{ foo: boolean }>({
+    foo: false,
+  })
+
+  describe('top level', () => {
+    extendedTest.scoped({ foo: true })
+
+    describe('second level', () => {
+      extendedTest('foo is true', ({ foo }) => {
+        expect(foo).toBe(true)
+      })
+    })
+  })
+})
+
+describe('test.scoped repro #7813', () => {
+  const extendedTest = test.extend<{ foo?: boolean }>({
+    foo: false,
+  })
+
+  describe('foo is scoped to true', () => {
+    extendedTest.scoped({ foo: true })
+
+    extendedTest('foo is true', ({ foo }) => {
+      expect(foo).toBe(true)
+    })
+  })
+
+  describe('foo is left as default of false', () => {
+    extendedTest('foo is false', ({ foo }) => {
+      expect(foo).toBe(false)
+    })
+  })
+})