mirror of
https://github.com/netbirdio/gvisor.git
synced 2026-05-22 17:12:49 -07:00
Etienne Perot
9ca09375e4
This creates a `go_template` that can generate a `go_library` rule which extracts a compressed binary to a temporary location, then executes it. This is useful to implement `runsc` subcommands without requiring that these subcommands' dependencies are linked into the main `runsc` binary. PiperOrigin-RevId: 557270682
50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
// Copyright 2023 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package helloworld_test
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import (
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"context"
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"fmt"
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"os/exec"
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"testing"
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"time"
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"gvisor.dev/gvisor/pkg/test/testutil"
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)
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// TestHelloworld executes helloworld_bundler and verifies that its output
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// matches "Hello, gVisor!\n".
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func TestHelloworld(t *testing.T) {
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ctx, ctxCancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer ctxCancel()
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helloWorldPath, err := testutil.FindFile("tools/embeddedbinary/test/helloworld_bundler")
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if err != nil {
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t.Fatalf("Cannot find helloworld_bundler path: %v", err)
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}
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for _, mode := range []string{"exec", "fork"} {
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t.Run(mode, func(t *testing.T) {
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output, err := exec.CommandContext(ctx, helloWorldPath, fmt.Sprintf("--mode=%s", mode)).CombinedOutput()
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outputStr := string(output)
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if err != nil {
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t.Fatalf("Failed to execute helloworld_bundler: %v; output:\n%v\n", err, outputStr)
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}
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want := "Hello, gVisor!\n"
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if outputStr != want {
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t.Fatalf("helloworld_bundler: got output %q want %q", outputStr, want)
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}
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})
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}
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}
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