修复描述性错误，完善测试

src/lua_runner_test.cj

@@ -4,6 +4,22 @@ import std.unittest.*
 import std.fs.*
 
 let scriptsDir = "./test/scripts"
+let generatedScriptsDir = "./test/generated_scripts"
+
+func scriptPath(name: String): String {
+    scriptsDir + "/" + name
+}
+
+func generatedScriptPath(name: String): String {
+    generatedScriptsDir + "/" + name
+}
+
+func ensureGeneratedScriptsDir(): Unit {
+    let dir = Path(generatedScriptsDir)
+    if (!exists(dir)) {
+        Directory.create(dir, recursive: true)
+    }
+}
 
 // ====================
 // 1. 基础运行与参数测试
@@ -12,7 +28,7 @@ let scriptsDir = "./test/scripts"
 @Test
 func testRunScript(): Unit {
     let runner = LuaRunner()
-    let path = scriptsDir + "/simple_return.lua"
+    let path = scriptPath("simple_return.lua")
     let res = runner.runScript(path, "")
     @Expect(res, "hello")
 }
@@ -20,7 +36,7 @@ func testRunScript(): Unit {
 @Test
 func testRunScriptWithArg(): Unit {
     let runner = LuaRunner()
-    let path = scriptsDir + "/args_test.lua"
+    let path = scriptPath("args_test.lua")
     let res = runner.runScript(path, "world")
     @Expect(res, "world")
 }
@@ -32,7 +48,7 @@ func testRunScriptWithArg(): Unit {
 @Test
 func testRunScriptSyntaxError(): Unit {
     let runner = LuaRunner()
-    let path = scriptsDir + "/syntax_error.lua"
+    let path = scriptPath("syntax_error.lua")
     try {
         runner.runScript(path, "")
         fail("Should throw syntax error")
@@ -44,7 +60,7 @@ func testRunScriptSyntaxError(): Unit {
 @Test
 func testRunScriptRuntimeError(): Unit {
     let runner = LuaRunner()
-    let path = scriptsDir + "/runtime_error.lua"
+    let path = scriptPath("runtime_error.lua")
     try {
         runner.runScript(path, "")
         fail("Should throw runtime error")
@@ -60,7 +76,7 @@ func testRunScriptRuntimeError(): Unit {
 @Test
 func testLoadLib(): Unit {
     let runner = LuaRunner()
-    let path = scriptsDir + "/mylib.lua"
+    let path = scriptPath("mylib.lua")
     runner.load(path, "mylib")
 }
 
@@ -78,7 +94,7 @@ func testLoadLibFileNotFound(): Unit {
 @Test
 func testUnloadLib(): Unit {
     let runner = LuaRunner()
-    let path = scriptsDir + "/mylib.lua"
+    let path = scriptPath("mylib.lua")
     runner.load(path, "mylib")
     runner.unload("mylib")
 }
@@ -101,8 +117,8 @@ func testUnloadLibNotFound(): Unit {
 @Test
 func testCleanup(): Unit {
     let runner = LuaRunner()
-    let setPath = scriptsDir + "/set_global.lua"
-    let getPath = scriptsDir + "/get_global.lua"
+    let setPath = scriptPath("set_global.lua")
+    let getPath = scriptPath("get_global.lua")
 
     runner.runScript(setPath, "")
     runner.clear()
@@ -113,14 +129,92 @@ func testCleanup(): Unit {
 @Test
 func testCrossCallDataPassing(): Unit {
     let runner = LuaRunner()
-    let setPath = scriptsDir + "/cross_call_set.lua"
-    let getPath = scriptsDir + "/cross_call_get.lua"
+    let setPath = scriptPath("cross_call_set.lua")
+    let getPath = scriptPath("cross_call_get.lua")
 
     runner.runScript(setPath, "")
     let res = runner.runScript(getPath, "")
     @Expect(res, "1,2,3")
 }
 
+@Test
+func testPipelineDocumentedFlow(): Unit {
+    let runner = LuaRunner()
+    runner.load(scriptPath("pipeline_add_suffix.lua"), "add_suffix")
+        .load(scriptPath("pipeline_to_upper.lua"), "to_upper")
+        .load(scriptPath("pipeline_add_prefix.lua"), "add_prefix")
+
+    let initialData = runner.runScript(scriptPath("pipeline_generate_data.lua"), "hello")
+    @Expect(initialData, "hello")
+
+    let afterA = runner.runScript("", "")
+    @Expect(afterA, "[PREFIX] hello")
+
+    let afterB = runner.runScript("", "")
+    @Expect(afterB, "[PREFIX] HELLO")
+
+    let finalResult = runner.runScript("", "")
+    @Expect(finalResult, "[PREFIX] HELLO [SUFFIX]")
+}
+
+@Test
+func testPipelineStepByStepResults(): Unit {
+    let runner = LuaRunner()
+    runner.load(scriptPath("pipeline_add_suffix.lua"), "add_suffix")
+        .load(scriptPath("pipeline_to_upper.lua"), "to_upper")
+        .load(scriptPath("pipeline_add_prefix.lua"), "add_prefix")
+
+    let initialData = runner.runScript(scriptPath("pipeline_generate_data.lua"), "hello")
+    @Expect(initialData, "hello")
+
+    let afterPrefix = runner.runScript("", "")
+    @Expect(afterPrefix, "[PREFIX] hello")
+
+    let afterUpper = runner.runScript("", "")
+    @Expect(afterUpper, "[PREFIX] HELLO")
+
+    let afterSuffix = runner.runScript("", "")
+    @Expect(afterSuffix, "[PREFIX] HELLO [SUFFIX]")
+}
+
+@Test
+func testLoadLibOverflow(): Unit {
+    ensureGeneratedScriptsDir()
+    let runner = LuaRunner()
+
+    for (i in 0..20) {
+        let name = "overflow_lib_${i}"
+        let path = generatedScriptPath(name + ".lua")
+        File.writeTo(path, ("return \"" + name + "\"").toArray())
+        runner.load(path, name)
+    }
+
+    let overflowName = "overflow_lib_20"
+    let overflowPath = generatedScriptPath(overflowName + ".lua")
+    File.writeTo(overflowPath, "return \"overflow\"".toArray())
+
+    try {
+        runner.load(overflowPath, overflowName)
+        fail("Should throw overflow error")
+    } catch (e: LuaError) {
+        @Expect(e.code, 5016)
+    }
+}
+
+@Test
+func testPackagePathConfig(): Unit {
+    let runner = LuaRunner(pkgpath: scriptsDir + "/pkgmods/?.lua")
+    let res = runner.runScript(scriptPath("pkgpath_require_mylib.lua"), "")
+    @Expect(res, "LoadedViaPkgPath")
+}
+
+@Test
+func testPackagePathInitLuaPattern(): Unit {
+    let runner = LuaRunner(pkgpath: scriptsDir + "/pkgmods_init/?/init.lua")
+    let res = runner.runScript(scriptPath("pkgpath_require_nested.lua"), "")
+    @Expect(res, "LoadedViaInit")
+}
+
 // ====================
 // 5. I/O 重定向测试
 // ====================
@@ -128,14 +222,14 @@ func testCrossCallDataPassing(): Unit {
 @Test
 func testRedirectPrint(): Unit {
     let runner = LuaRunner(pathio: "/tmp")
-    let path = scriptsDir + "/print_test.lua"
+    let path = scriptPath("print_test.lua")
     runner.runScript(path, "")
 }
 
 @Test
 func testRedirectIoWrite(): Unit {
     let runner = LuaRunner(pathio: "/tmp")
-    let path = scriptsDir + "/io_write_test.lua"
+    let path = scriptPath("io_write_test.lua")
     runner.runScript(path, "")
 }
 
@@ -151,7 +245,7 @@ func testRedirectIoRead(): Unit {
 
     // 2. 运行测试
     let runner = LuaRunner(pathio: "/tmp")
-    let path = scriptsDir + "/io_read_test.lua"
+    let path = scriptPath("io_read_test.lua")
     
     let res = runner.runScript(path, "")
     @Expect(res, "MockInputData")