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test: add more unit tests for ring-buffer
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@panjf2000
panjf2000 committed Apr 2, 2020
1 parent 3743d0f commit 94246dc
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Showing 2 changed files with 59 additions and 8 deletions.
1 change: 1 addition & 0 deletions .travis.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ before_install:
go_import_path: github.com/panjf2000/gnet

script:
- go test -v ./...
- go test -v -coverprofile=coverage.txt -covermode=count -timeout 60s

after_success:
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66 changes: 58 additions & 8 deletions ringbuffer/ring_buffer_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ func TestRingBuffer_Write(t *testing.T) {
if rb.Free() != 48 {
t.Fatalf("expect free 48 bytes but got %d. r.w=%d, r.r=%d", rb.Free(), rb.w, rb.r)
}
if bytes.Compare(rb.ByteBuffer().Bytes(), []byte(strings.Repeat("abcd", 4))) != 0 {
if !bytes.Equal(rb.ByteBuffer().Bytes(), []byte(strings.Repeat("abcd", 4))) {
t.Fatalf("expect 4 abcd but got %s. r.w=%d, r.r=%d", rb.ByteBuffer().Bytes(), rb.w, rb.r)
}

Expand All @@ -67,7 +67,7 @@ func TestRingBuffer_Write(t *testing.T) {
if rb.w != 0 {
t.Fatalf("expect r.w=0 but got %d. r.r=%d", rb.w, rb.r)
}
if bytes.Compare(rb.ByteBuffer().Bytes(), []byte(strings.Repeat("abcd", 16))) != 0 {
if !bytes.Equal(rb.ByteBuffer().Bytes(), []byte(strings.Repeat("abcd", 16))) {
t.Fatalf("expect 16 abcd but got %s. r.w=%d, r.r=%d", rb.ByteBuffer().Bytes(), rb.w, rb.r)
}

Expand Down Expand Up @@ -124,7 +124,7 @@ func TestRingBuffer_Write(t *testing.T) {
t.Fatalf("expect IsFull is false but got true")
}

if bytes.Compare(rb.ByteBuffer().Bytes(), []byte(strings.Repeat("abcd", 20))) != 0 {
if !bytes.Equal(rb.ByteBuffer().Bytes(), []byte(strings.Repeat("abcd", 20))) {
t.Fatalf("expect 16 abcd but got %s. r.w=%d, r.r=%d", rb.ByteBuffer().Bytes(), rb.w, rb.r)
}

Expand All @@ -147,7 +147,7 @@ func TestRingBuffer_Write(t *testing.T) {
}
_, _ = rb.Write([]byte(strings.Repeat("abcd", 15)))

if bytes.Compare(rb.ByteBuffer().Bytes(), []byte("bcd"+strings.Repeat("abcd", 15))) != 0 {
if !bytes.Equal(rb.ByteBuffer().Bytes(), []byte("bcd"+strings.Repeat("abcd", 15))) {
t.Fatalf("expect 63 ... but got %s. r.w=%d, r.r=%d", rb.ByteBuffer().Bytes(), rb.w, rb.r)
}

Expand Down Expand Up @@ -250,6 +250,56 @@ func TestRingBuffer_Read(t *testing.T) {
t.Fatalf("expect r.r=80 but got %d. r.w=%d", rb.r, rb.w)
}

rb.Reset()
rb.Write([]byte(strings.Repeat("1234", 32)))
if !rb.IsFull() {
t.Fatal("ring buffer should be full")
}
if rb.Free() != 0 {
t.Fatalf("expect free 0 bytes but got %d. r.w=%d, r.r=%d", rb.Free(), rb.w, rb.r)
}
if rb.w != 0 {
t.Fatalf("expect r.2=0 but got %d. r.r=%d", rb.w, rb.r)
}
head, tail := rb.LazyRead(64)
if !(len(head) == 64 && tail == nil) {
t.Fatalf("expect len(head)=64 and tail=nil, yet len(head)=%d and tail != nil", len(head))
}
if rb.r != 0 {
t.Fatalf("expect r.r=0 but got %d", rb.r)
}
if !bytes.Equal(head, []byte(strings.Repeat("1234", 16))) {
t.Fatal("should be equal")
}
rb.Shift(64)
if rb.r != 64 {
t.Fatalf("expect r.r=64 but got %d", rb.r)
}
rb.Write([]byte(strings.Repeat("1234", 4)))
if rb.w != 16 {
t.Fatalf("expect r.w=16 but got %d", rb.w)
}
head, tail = rb.LazyRead(128)
if !(len(head) == 64 && len(tail) == 16) {
t.Fatalf("expect len(head)=64 and len(tail)=16, yet len(head)=%d and len(tail)=%d", len(head), len(tail))
}
if !(bytes.Equal(head, []byte(strings.Repeat("1234", 16))) && bytes.Equal(tail, []byte(strings.Repeat("1234", 4)))) {
t.Fatalf("head: %s, tail: %s", string(head), string(tail))
}

head, tail = rb.LazyReadAll()
if !(len(head) == 64 && len(tail) == 16) {
t.Fatalf("expect len(head)=64 and len(tail)=16, yet len(head)=%d and len(tail)=%d", len(head), len(tail))
}
if !(bytes.Equal(head, []byte(strings.Repeat("1234", 16))) && bytes.Equal(tail, []byte(strings.Repeat("1234", 4)))) {
t.Fatalf("head: %s, tail: %s", string(head), string(tail))
}

rb.Shift(64)
rb.Shift(16)
if !rb.isEmpty {
t.Fatal("should be empty")
}
}

func TestRingBuffer_ByteInterface(t *testing.T) {
Expand All @@ -263,7 +313,7 @@ func TestRingBuffer_ByteInterface(t *testing.T) {
if rb.Free() != 1 {
t.Fatalf("expect free 1 byte but got %d. r.w=%d, r.r=%d", rb.Free(), rb.w, rb.r)
}
if bytes.Compare(rb.ByteBuffer().Bytes(), []byte{'a'}) != 0 {
if !bytes.Equal(rb.ByteBuffer().Bytes(), []byte{'a'}) {
t.Fatalf("expect a but got %s. r.w=%d, r.r=%d", rb.ByteBuffer().Bytes(), rb.w, rb.r)
}
// check empty or full
Expand All @@ -282,7 +332,7 @@ func TestRingBuffer_ByteInterface(t *testing.T) {
if rb.Free() != 0 {
t.Fatalf("expect free 0 byte but got %d. r.w=%d, r.r=%d", rb.Free(), rb.w, rb.r)
}
if bytes.Compare(rb.ByteBuffer().Bytes(), []byte{'a', 'b'}) != 0 {
if !bytes.Equal(rb.ByteBuffer().Bytes(), []byte{'a', 'b'}) {
t.Fatalf("expect a but got %s. r.w=%d, r.r=%d", rb.ByteBuffer().Bytes(), rb.w, rb.r)
}
// check empty or full
Expand All @@ -301,7 +351,7 @@ func TestRingBuffer_ByteInterface(t *testing.T) {
if rb.Free() != 1 {
t.Fatalf("expect free 1 byte but got %d. r.w=%d, r.r=%d", rb.Free(), rb.w, rb.r)
}
if bytes.Compare(rb.ByteBuffer().Bytes(), []byte{'a', 'b', 'c'}) != 0 {
if !bytes.Equal(rb.ByteBuffer().Bytes(), []byte{'a', 'b', 'c'}) {
t.Fatalf("expect a but got %s. r.w=%d, r.r=%d", rb.ByteBuffer().Bytes(), rb.w, rb.r)
}
// check empty or full
Expand All @@ -326,7 +376,7 @@ func TestRingBuffer_ByteInterface(t *testing.T) {
if rb.Free() != 2 {
t.Fatalf("expect free 2 byte but got %d. r.w=%d, r.r=%d", rb.Free(), rb.w, rb.r)
}
if bytes.Compare(rb.ByteBuffer().Bytes(), []byte{'b', 'c'}) != 0 {
if !bytes.Equal(rb.ByteBuffer().Bytes(), []byte{'b', 'c'}) {
t.Fatalf("expect a but got %s. r.w=%d, r.r=%d", rb.ByteBuffer().Bytes(), rb.w, rb.r)
}
// check empty or full
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