mirror of https://github.com/Llewellynvdm/fzf.git
80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
package fzf
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import (
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"fmt"
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"testing"
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"github.com/junegunn/fzf/src/util"
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)
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func TestChunkList(t *testing.T) {
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// FIXME global
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sortCriteria = []criterion{byMatchLen, byLength}
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cl := NewChunkList(func(s []byte, i int) *Item {
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return &Item{text: util.ToChars(s), index: int32(i * 2)}
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})
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// Snapshot
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snapshot, count := cl.Snapshot()
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if len(snapshot) > 0 || count > 0 {
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t.Error("Snapshot should be empty now")
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}
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// Add some data
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cl.Push([]byte("hello"))
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cl.Push([]byte("world"))
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// Previously created snapshot should remain the same
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if len(snapshot) > 0 {
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t.Error("Snapshot should not have changed")
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}
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// But the new snapshot should contain the added items
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snapshot, count = cl.Snapshot()
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if len(snapshot) != 1 && count != 2 {
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t.Error("Snapshot should not be empty now")
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}
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// Check the content of the ChunkList
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chunk1 := snapshot[0]
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if len(*chunk1) != 2 {
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t.Error("Snapshot should contain only two items")
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}
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if (*chunk1)[0].text.ToString() != "hello" || (*chunk1)[0].index != 0 ||
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(*chunk1)[1].text.ToString() != "world" || (*chunk1)[1].index != 2 {
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t.Error("Invalid data")
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}
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if chunk1.IsFull() {
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t.Error("Chunk should not have been marked full yet")
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}
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// Add more data
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for i := 0; i < chunkSize*2; i++ {
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cl.Push([]byte(fmt.Sprintf("item %d", i)))
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}
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// Previous snapshot should remain the same
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if len(snapshot) != 1 {
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t.Error("Snapshot should stay the same")
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}
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// New snapshot
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snapshot, count = cl.Snapshot()
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if len(snapshot) != 3 || !snapshot[0].IsFull() ||
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!snapshot[1].IsFull() || snapshot[2].IsFull() || count != chunkSize*2+2 {
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t.Error("Expected two full chunks and one more chunk")
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}
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if len(*snapshot[2]) != 2 {
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t.Error("Unexpected number of items")
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}
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cl.Push([]byte("hello"))
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cl.Push([]byte("world"))
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lastChunkCount := len(*snapshot[len(snapshot)-1])
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if lastChunkCount != 2 {
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t.Error("Unexpected number of items:", lastChunkCount)
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}
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}
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