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c02c4b9ec1
Ensures that linked containers are restarted if any of their dependencies are restarted -- and makes sure that everything happens in the correct order.
38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
package updater
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import (
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"testing"
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"github.com/CenturyLinkLabs/watchtower/docker"
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"github.com/stretchr/testify/assert"
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)
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func TestContainerSorter_Success(t *testing.T) {
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c1 := docker.NewTestContainer("1", []string{})
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c2 := docker.NewTestContainer("2", []string{"1:"})
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c3 := docker.NewTestContainer("3", []string{"2:"})
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c4 := docker.NewTestContainer("4", []string{"3:"})
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c5 := docker.NewTestContainer("5", []string{"4:"})
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c6 := docker.NewTestContainer("6", []string{"5:", "3:"})
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containers := []docker.Container{c6, c2, c4, c1, c3, c5}
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cs := ContainerSorter{}
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result, err := cs.Sort(containers)
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assert.NoError(t, err)
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assert.Equal(t, []docker.Container{c1, c2, c3, c4, c5, c6}, result)
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}
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func TestContainerSorter_Error(t *testing.T) {
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c1 := docker.NewTestContainer("1", []string{"3:"})
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c2 := docker.NewTestContainer("2", []string{"1:"})
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c3 := docker.NewTestContainer("3", []string{"2:"})
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containers := []docker.Container{c1, c2, c3}
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cs := ContainerSorter{}
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_, err := cs.Sort(containers)
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assert.Error(t, err)
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assert.EqualError(t, err, "Circular reference to 1")
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}
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