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options_test.go
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options_test.go
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package testcontainers_test
import (
"context"
"io"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/testcontainers/testcontainers-go"
"github.com/testcontainers/testcontainers-go/exec"
"github.com/testcontainers/testcontainers-go/wait"
)
func TestOverrideContainerRequest(t *testing.T) {
req := testcontainers.GenericContainerRequest{
ContainerRequest: testcontainers.ContainerRequest{
Env: map[string]string{
"BAR": "BAR",
},
Image: "foo",
ExposedPorts: []string{"12345/tcp"},
WaitingFor: wait.ForNop(
func(ctx context.Context, target wait.StrategyTarget) error {
return nil
},
),
Networks: []string{"foo", "bar", "baaz"},
NetworkAliases: map[string][]string{
"foo": {"foo0", "foo1", "foo2", "foo3"},
},
},
}
toBeMergedRequest := testcontainers.GenericContainerRequest{
ContainerRequest: testcontainers.ContainerRequest{
Env: map[string]string{
"FOO": "FOO",
},
Image: "bar",
ExposedPorts: []string{"67890/tcp"},
Networks: []string{"foo1", "bar1"},
NetworkAliases: map[string][]string{
"foo1": {"bar"},
},
WaitingFor: wait.ForLog("foo"),
},
}
// the toBeMergedRequest should be merged into the req
testcontainers.CustomizeRequest(toBeMergedRequest)(&req)
// toBeMergedRequest should not be changed
assert.Equal(t, "", toBeMergedRequest.Env["BAR"])
assert.Equal(t, 1, len(toBeMergedRequest.ExposedPorts))
assert.Equal(t, "67890/tcp", toBeMergedRequest.ExposedPorts[0])
// req should be merged with toBeMergedRequest
assert.Equal(t, "FOO", req.Env["FOO"])
assert.Equal(t, "BAR", req.Env["BAR"])
assert.Equal(t, "bar", req.Image)
assert.Equal(t, []string{"12345/tcp", "67890/tcp"}, req.ExposedPorts)
assert.Equal(t, []string{"foo", "bar", "baaz", "foo1", "bar1"}, req.Networks)
assert.Equal(t, []string{"foo0", "foo1", "foo2", "foo3"}, req.NetworkAliases["foo"])
assert.Equal(t, []string{"bar"}, req.NetworkAliases["foo1"])
assert.Equal(t, wait.ForLog("foo"), req.WaitingFor)
}
func TestWithNetwork(t *testing.T) {
req := testcontainers.GenericContainerRequest{
ContainerRequest: testcontainers.ContainerRequest{},
}
testcontainers.WithNetwork("new-network", "alias")(&req)
assert.Equal(t, []string{"new-network"}, req.Networks)
assert.Equal(t, map[string][]string{"new-network": {"alias"}}, req.NetworkAliases)
client, err := testcontainers.NewDockerClientWithOpts(context.Background())
require.NoError(t, err)
args := filters.NewArgs()
args.Add("name", "new-network")
resources, err := client.NetworkList(context.Background(), types.NetworkListOptions{
Filters: args,
})
require.NoError(t, err)
assert.Len(t, resources, 1)
assert.Equal(t, "new-network", resources[0].Name)
}
func TestWithNetworkMultipleCallsWithSameNameReuseTheNetwork(t *testing.T) {
for int := 0; int < 100; int++ {
req := testcontainers.GenericContainerRequest{
ContainerRequest: testcontainers.ContainerRequest{},
}
testcontainers.WithNetwork("new-network", "alias")(&req)
assert.Equal(t, []string{"new-network"}, req.Networks)
assert.Equal(t, map[string][]string{"new-network": {"alias"}}, req.NetworkAliases)
}
client, err := testcontainers.NewDockerClientWithOpts(context.Background())
require.NoError(t, err)
args := filters.NewArgs()
args.Add("name", "new-network")
resources, err := client.NetworkList(context.Background(), types.NetworkListOptions{
Filters: args,
})
require.NoError(t, err)
assert.Len(t, resources, 1)
assert.Equal(t, "new-network", resources[0].Name)
}
type testExecutable struct {
cmds []string
}
func (t testExecutable) AsCommand() []string {
return t.cmds
}
func TestWithStartupCommand(t *testing.T) {
req := testcontainers.GenericContainerRequest{
ContainerRequest: testcontainers.ContainerRequest{
Image: "alpine",
Entrypoint: []string{"tail", "-f", "/dev/null"},
},
Started: true,
}
testExec := testExecutable{
cmds: []string{"touch", "/tmp/.testcontainers"},
}
testcontainers.WithStartupCommand(testExec)(&req)
assert.Equal(t, 1, len(req.LifecycleHooks))
assert.Equal(t, 1, len(req.LifecycleHooks[0].PostStarts))
c, err := testcontainers.GenericContainer(context.Background(), req)
require.NoError(t, err)
defer func() {
err = c.Terminate(context.Background())
require.NoError(t, err)
}()
_, reader, err := c.Exec(context.Background(), []string{"ls", "/tmp/.testcontainers"}, exec.Multiplexed())
require.NoError(t, err)
content, err := io.ReadAll(reader)
require.NoError(t, err)
assert.Equal(t, "/tmp/.testcontainers\n", string(content))
}