Refactoring & renaming

container/sort_test.go

@@ -0,0 +1,59 @@
+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) {
+	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:"})
+	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) {
+	c1 := NewTestContainer("1", []string{"3:"})
+	c2 := NewTestContainer("2", []string{"1:"})
+	c3 := NewTestContainer("3", []string{"2:"})
+	containers := []Container{c1, c2, c3}
+
+	_, err := SortByDependencies(containers)
+
+	assert.Error(t, err)
+	assert.EqualError(t, err, "Circular reference to 1")
+}