fzf/src/chunklist_test.go

67 lines
1.5 KiB
Go
Raw Normal View History

2015-01-01 19:49:30 +00:00
package fzf
import (
"fmt"
"testing"
)
func TestChunkList(t *testing.T) {
cl := NewChunkList(func(s *string, i int) *Item {
return &Item{text: s, index: i * 2}
})
// Snapshot
snapshot := cl.Snapshot()
if len(snapshot) > 0 {
t.Error("Snapshot should be empty now")
}
// Add some data
cl.Push("hello")
cl.Push("world")
// Previously created snapshot should remain the same
if len(snapshot) > 0 {
t.Error("Snapshot should not have changed")
}
// But the new snapshot should contain the added items
snapshot = cl.Snapshot()
if len(snapshot) != 1 {
t.Error("Snapshot should not be empty now")
}
// Check the content of the ChunkList
chunk1 := snapshot[0]
if len(*chunk1) != 2 {
t.Error("Snapshot should contain only two items")
}
if *(*chunk1)[0].text != "hello" || (*chunk1)[0].index != 0 ||
*(*chunk1)[1].text != "world" || (*chunk1)[1].index != 2 {
t.Error("Invalid data")
}
if chunk1.IsFull() {
t.Error("Chunk should not have been marked full yet")
}
// Add more data
for i := 0; i < CHUNK_SIZE*2; i++ {
cl.Push(fmt.Sprintf("item %d", i))
}
// Previous snapshot should remain the same
if len(snapshot) != 1 {
t.Error("Snapshot should stay the same")
}
// New snapshot
snapshot = cl.Snapshot()
if len(snapshot) != 3 || !snapshot[0].IsFull() ||
!snapshot[1].IsFull() || snapshot[2].IsFull() {
t.Error("Expected two full chunks and one more chunk")
}
if len(*snapshot[2]) != 2 {
t.Error("Unexpected number of items")
}
}