Function TestScaleDownNoRecreate

pkg/e2e/scale_test.go:187–216

(t *testing.T)

}

func TestScaleDownNoRecreate(t *testing.T) {
	const projectName = "scale-down-recreated-test"
	c := NewCLI(t, WithEnv(
		"COMPOSE_PROJECT_NAME="+projectName))

	reset := func() {
		c.RunDockerComposeCmd(t, "down", "--rmi", "all")
	}
	t.Cleanup(reset)
	c.RunDockerComposeCmd(t, "-f", "fixtures/scale/build.yaml", "build", "--build-arg", "FOO=test")
	c.RunDockerComposeCmd(t, "-f", "fixtures/scale/build.yaml", "up", "-d", "--scale", "test=2")

	c.RunDockerComposeCmd(t, "-f", "fixtures/scale/build.yaml", "build", "--build-arg", "FOO=updated")
	c.RunDockerComposeCmd(t, "-f", "fixtures/scale/build.yaml", "up", "-d", "--scale", "test=4", "--no-recreate")

	res := c.RunDockerComposeCmd(t, "ps", "--format", "{{.Name}}", "test")
	res.Assert(t, icmd.Success)
	assert.Check(t, strings.Contains(res.Stdout(), "scale-down-recreated-test-test-1"))
	assert.Check(t, strings.Contains(res.Stdout(), "scale-down-recreated-test-test-2"))
	assert.Check(t, strings.Contains(res.Stdout(), "scale-down-recreated-test-test-3"))
	assert.Check(t, strings.Contains(res.Stdout(), "scale-down-recreated-test-test-4"))

	t.Log("scale down removes obsolete replica #1 and #2")
	c.NewDockerComposeCmd(t, "--project-directory", "fixtures/scale", "up", "-d", "--scale", "test=2")

	res = c.RunDockerComposeCmd(t, "ps", "--format", "{{.Name}}", "test")
	res.Assert(t, icmd.Success)
	assert.Check(t, strings.Contains(res.Stdout(), "scale-down-recreated-test-test-3"))
	assert.Check(t, strings.Contains(res.Stdout(), "scale-down-recreated-test-test-4"))
}