CodeSampleX

示例

google.golang.org/api v0.13.0: bundler.ErrOversizedItem

已验证示例 — golang google.golang.org/api v0.13.0: bundler.ErrOversizedItem. contract 在 go 1.26 · linux debian/x64 · docker 上运行并通过.

sha256:ac91f1878c7be0b729e0f2518cd8547f4bd254555886d84e1044c8f09f18b62d

本网络只提供一件事:能构建的样本。它在沙箱中运行并保留签名回执。它不评级、不担保——同样的代码能否在你的环境构建,它没有测量过。 提交了通过的契约回执的不同签名密钥数量。为 1 表示只有作者;大于 1 表示还有其他人构建过。密钥是自行生成的,背后没有注册身份,因此计的是密钥而非人。 MIT-0

执行证据

声明的环境与签名的运行分开呈现,你可以看到这个样本究竟运行了什么、在哪里运行。

证据依据
签名契约通过
验证回执
1
构建过它的签名密钥
1
声明的环境 linux 24 · ubuntu · glibc 2.39 x64 go

验证运行环境

环境 契约 阶段 运行日期
go 1.26 · linux debian/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1golang:1.26@sha256:e30143be198a…
2026-10-20

案例

HOW
目标
verify google.golang.org/api/support/bundler.ErrOversizedItem in pkg:golang/google.golang.org/api@v0.13.0
包
符号
  • google.golang.org/api/support/bundler.ErrOversizedItem
创建时间
2026-10-20T19:31:19Z

契约

  1. bundler.ErrOversizedItem is returned by Add when an item size exceeds BundleByteLimit
  2. bundler.ErrOversizedItem is returned by AddWait when an item size exceeds BundleByteLimit
  3. bundler.ErrOversizedItem has the expected error message 'item size exceeds bundle byte limit'
  4. Bundler accepts items when item size is within BundleByteLimit or BundleByteLimit is unlimited

文件

  • PROMPT.md
  • csx.json
  • go.mod
  • go.sum
  • main.go
  • spec.json
  • test/contract.go

下载源代码构件 (tar.gz)

源代码

PROMPT.md
Clean-room public code sample — generation instructions

Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.

A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.

Goal: verify google.golang.org/api/support/bundler.ErrOversizedItem in pkg:golang/google.golang.org/api@v0.13.0
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:golang/google.golang.org/api@v0.13.0
Demonstrate these symbols/APIs:
  - google.golang.org/api/support/bundler.ErrOversizedItem

Rules:
  - One focused purpose; the smallest project that proves the goal.
  - Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
  - Pin every dependency with a lockfile so resolution is reproducible.
  - No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
  - No personal names, emails, company names, or project identifiers of any kind.
  - No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
  - Keep it under 200 files and 256KB packed.
csx.json
{"case":{"caseId":"case:sha256:64b180e86de1c460bb46a4cb9247d27d5452a640f01ad2bbaff789853101f31f","contract":["bundler.ErrOversizedItem is returned by Add when an item size exceeds BundleByteLimit","bundler.ErrOversizedItem is returned by AddWait when an item size exceeds BundleByteLimit","bundler.ErrOversizedItem has the expected error message 'item size exceeds bundle byte limit'","Bundler accepts items when item size is within BundleByteLimit or BundleByteLimit is unlimited"],"goal":"verify google.golang.org/api/support/bundler.ErrOversizedItem in pkg:golang/google.golang.org/api@v0.13.0","kind":"HOW","packages":["pkg:golang/google.golang.org/api@v0.13.0"],"schemaVersion":1,"symbols":["google.golang.org/api/support/bundler.ErrOversizedItem"]},"contractCommand":["go","run","./test"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"golang","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"go","schemaVersion":1},"license":"MIT-0","packages":["pkg:golang/google.golang.org/api@v0.13.0"],"schemaVersion":1,"subject":"pkg:golang/google.golang.org/api@v0.13.0","symbols":["google.golang.org/api/support/bundler.ErrOversizedItem"],"verifierAdapter":"golang@1"}
go.mod
module example.com/bundler-sample

go 1.21

require google.golang.org/api v0.13.0

require golang.org/x/sync v0.0.0-20190423024810-112230192c58 // indirect
go.sum
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
google.golang.org/api v0.13.0 h1:Q3Ui3V3/CVinFWFiW39Iw0kMuVrRzYX0wN6OPFp0lTA=
google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
main.go
package main

import (
	"context"
	"errors"
	"fmt"

	"google.golang.org/api/support/bundler"
)

func main() {
	b := bundler.NewBundler(string(""), func(items interface{}) {
		slice := items.([]string)
		fmt.Printf("Handled bundle with %d item(s)\n", len(slice))
	})
	b.BundleByteLimit = 20

	if err := b.Add("hello", 5); err != nil {
		fmt.Printf("Unexpected error adding item: %v\n", err)
	}

	err := b.Add("item that is too large for the bundle", 35)
	if errors.Is(err, bundler.ErrOversizedItem) {
		fmt.Printf("Add returned expected ErrOversizedItem: %v\n", err)
	}

	bWait := bundler.NewBundler(string(""), func(interface{}) {})
	bWait.BundleByteLimit = 15
	errWait := bWait.AddWait(context.Background(), "oversized payload", 30)
	if errors.Is(errWait, bundler.ErrOversizedItem) {
		fmt.Printf("AddWait returned expected ErrOversizedItem: %v\n", errWait)
	}
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify google.golang.org/api/support/bundler.ErrOversizedItem in pkg:golang/google.golang.org/api@v0.13.0",
  "kind": "HOW",
  "packages": [
    "pkg:golang/google.golang.org/api@v0.13.0"
  ],
  "symbols": [
    "google.golang.org/api/support/bundler.ErrOversizedItem"
  ]
}
test/contract.go
package main

import (
	"context"
	"errors"
	"fmt"
	"os"

	"google.golang.org/api/support/bundler"
)

func main() {
	// Assertion 1: bundler.ErrOversizedItem is returned by Add when an item size exceeds BundleByteLimit
	{
		b := bundler.NewBundler(int(0), func(interface{}) {})
		b.BundleByteLimit = 100
		err := b.Add(1, 101)
		if err == nil {
			fmt.Fprintf(os.Stderr, "Assertion 1 failed: expected ErrOversizedItem, got nil\n")
			os.Exit(1)
		}
		if !errors.Is(err, bundler.ErrOversizedItem) && err != bundler.ErrOversizedItem {
			fmt.Fprintf(os.Stderr, "Assertion 1 failed: expected ErrOversizedItem, got %v\n", err)
			os.Exit(1)
		}
	}

	// Assertion 2: bundler.ErrOversizedItem is returned by AddWait when an item size exceeds BundleByteLimit
	{
		b := bundler.NewBundler(string(""), func(interface{}) {})
		b.BundleByteLimit = 50
		err := b.AddWait(context.Background(), "oversized", 51)
		if err == nil {
			fmt.Fprintf(os.Stderr, "Assertion 2 failed: expected ErrOversizedItem, got nil\n")
			os.Exit(1)
		}
		if !errors.Is(err, bundler.ErrOversizedItem) && err != bundler.ErrOversizedItem {
			fmt.Fprintf(os.Stderr, "Assertion 2 failed: expected ErrOversizedItem, got %v\n", err)
			os.Exit(1)
		}
	}

	// Assertion 3: bundler.ErrOversizedItem has the expected error message
	{
		expectedMsg := "item size exceeds bundle byte limit"
		if bundler.ErrOversizedItem == nil {
			fmt.Fprintf(os.Stderr, "Assertion 3 failed: ErrOversizedItem is nil\n")
			os.Exit(1)
		}
		if msg := bundler.ErrOversizedItem.Error(); msg != expectedMsg {
			fmt.Fprintf(os.Stderr, "Assertion 3 failed: expected %q, got %q\n", expectedMsg, msg)
			os.Exit(1)
		}
	}

	// Assertion 4: Bundler accepts items when item size is within BundleByteLimit or BundleByteLimit is unlimited
	{
		b := bundler.NewBundler(int(0), func(interface{}) {})
		b.BundleByteLimit = 100
		if err := b.Add(10, 100); err != nil {
			fmt.Fprintf(os.Stderr, "Assertion 4 failed: expected nil error for size == limit, got %v\n", err)
			os.Exit(1)
		}
		if err := b.Add(20, 1); err != nil {
			fmt.Fprintf(os.Stderr, "Assertion 4 failed: expected nil error for size < limit, got %v\n", err)
			os.Exit(1)
		}

		bUnlimited := bundler.NewBundler(int(0), func(interface{}) {})
		bUnlimited.BundleByteLimit = 0
		if err := bUnlimited.Add(30, 500000); err != nil {
			fmt.Fprintf(os.Stderr, "Assertion 4 failed: expected nil error with unlimited BundleByteLimit, got %v\n", err)
			os.Exit(1)
		}
	}

	fmt.Println("All contract assertions passed.")
}

原始种子者

匿名