Ilia Denisov
35 lines
1.0 KiB
Go
35 lines
1.0 KiB
Go
package testenv
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import (
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"context"
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"testing"
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"github.com/testcontainers/testcontainers-go"
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tcnetwork "github.com/testcontainers/testcontainers-go/network"
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)
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// StartNetwork creates a user-defined Docker bridge network and
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// registers a t.Cleanup to remove it. All platform containers attach
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// to the same network so they can resolve each other by alias.
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//
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// A failure here is fatal, not a skip: the network create path runs
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// long after `RequireDocker` has confirmed the daemon is reachable, so
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// any error here is a real environment break (subnet exhaustion, a
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// half-dead Ryuk reaper, a daemon-side network plugin issue) and
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// silently skipping it would mask the rest of the suite as
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// "passing" when nothing in fact ran.
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func StartNetwork(t *testing.T) *testcontainers.DockerNetwork {
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t.Helper()
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ctx := context.Background()
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net, err := tcnetwork.New(ctx)
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if err != nil {
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t.Fatalf("create docker network: %v", err)
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}
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t.Cleanup(func() {
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if err := net.Remove(ctx); err != nil {
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t.Logf("remove network: %v", err)
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}
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})
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return net
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}
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