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watchtower/container/sort_test.go

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package container
import (
"sort"
"testing"
"github.com/samalba/dockerclient"
"github.com/stretchr/testify/assert"
)
func TestByCreated(t *testing.T) {
c1 := Container{
containerInfo: &dockerclient.ContainerInfo{
Created: "2015-07-01T12:00:01.000000000Z",
},
}
c2 := Container{
containerInfo: &dockerclient.ContainerInfo{
Created: "2015-07-01T12:00:02.000000000Z",
},
}
c3 := Container{
containerInfo: &dockerclient.ContainerInfo{
Created: "2015-07-01T12:00:02.000000001Z",
},
}
cs := []Container{c3, c2, c1}
sort.Sort(ByCreated(cs))
assert.Equal(t, []Container{c1, c2, c3}, cs)
}
func TestSortByDependencies_Success(t *testing.T) {
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c1 := newTestContainer("1", []string{})
c2 := newTestContainer("2", []string{"1:"})
c3 := newTestContainer("3", []string{"2:"})
c4 := newTestContainer("4", []string{"3:"})
c5 := newTestContainer("5", []string{"4:"})
c6 := newTestContainer("6", []string{"5:", "3:"})
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containers := []Container{c6, c2, c4, c1, c3, c5}
result, err := SortByDependencies(containers)
assert.NoError(t, err)
assert.Equal(t, []Container{c1, c2, c3, c4, c5, c6}, result)
}
func TestSortByDependencies_Error(t *testing.T) {
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c1 := newTestContainer("1", []string{"3:"})
c2 := newTestContainer("2", []string{"1:"})
c3 := newTestContainer("3", []string{"2:"})
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containers := []Container{c1, c2, c3}
_, err := SortByDependencies(containers)
assert.Error(t, err)
assert.EqualError(t, err, "Circular reference to 1")
}
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func newTestContainer(name string, links []string) Container {
return *NewContainer(
&dockerclient.ContainerInfo{
Name: name,
HostConfig: &dockerclient.HostConfig{
Links: links,
},
},
nil,
)
}