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phase_node_test.go
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phase_node_test.go
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package controller
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestUniqueQueue(t *testing.T) {
queue := newUniquePhaseNodeQueue()
assert.True(t, queue.empty())
phaseNodeA := phaseNode{nodeId: "node-a"}
queue.add(phaseNodeA)
assert.Equal(t, 1, queue.len())
assert.False(t, queue.empty())
queue.add(phaseNodeA)
assert.Equal(t, 1, queue.len())
phaseNodeB := phaseNode{nodeId: "node-b"}
queue.add(phaseNodeB)
assert.Equal(t, 2, queue.len())
queue.add(phaseNodeB)
assert.Equal(t, 2, queue.len())
pop := queue.pop()
assert.Equal(t, "node-a", pop.nodeId)
assert.Equal(t, 1, queue.len())
pop = queue.pop()
assert.True(t, queue.empty())
assert.Equal(t, "node-b", pop.nodeId)
assert.Equal(t, 0, queue.len())
queue.add(phaseNodeA)
assert.Equal(t, 0, queue.len())
queue.add(phaseNodeB)
assert.Equal(t, 0, queue.len())
}
func TestUniqueQueueConstructor(t *testing.T) {
phaseNodeA := phaseNode{nodeId: "node-a"}
queue := newUniquePhaseNodeQueue(phaseNodeA)
assert.Equal(t, 1, queue.len())
assert.False(t, queue.empty())
queue.add(phaseNodeA)
assert.Equal(t, 1, queue.len())
phaseNodeB := phaseNode{nodeId: "node-b"}
queue.add(phaseNodeB)
assert.Equal(t, 2, queue.len())
queue.add(phaseNodeB)
assert.Equal(t, 2, queue.len())
pop := queue.pop()
assert.Equal(t, "node-a", pop.nodeId)
assert.Equal(t, 1, queue.len())
pop = queue.pop()
assert.True(t, queue.empty())
assert.Equal(t, "node-b", pop.nodeId)
assert.Equal(t, 0, queue.len())
queue.add(phaseNodeA)
assert.Equal(t, 0, queue.len())
queue.add(phaseNodeB)
assert.Equal(t, 0, queue.len())
}