From a101d966133a70b8a76526be25070436d14fcf9f Mon Sep 17 00:00:00 2001 From: Rastislav Szabo Date: Thu, 4 May 2017 11:09:03 +0200 Subject: initial commit Signed-off-by: Rastislav Szabo --- .../github.com/onsi/gomega/gbytes/buffer_test.go | 158 +++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 vendor/github.com/onsi/gomega/gbytes/buffer_test.go (limited to 'vendor/github.com/onsi/gomega/gbytes/buffer_test.go') diff --git a/vendor/github.com/onsi/gomega/gbytes/buffer_test.go b/vendor/github.com/onsi/gomega/gbytes/buffer_test.go new file mode 100644 index 0000000..b111138 --- /dev/null +++ b/vendor/github.com/onsi/gomega/gbytes/buffer_test.go @@ -0,0 +1,158 @@ +package gbytes_test + +import ( + "io" + "time" + + . "github.com/onsi/gomega/gbytes" + + . "github.com/onsi/ginkgo" + . "github.com/onsi/gomega" +) + +var _ = Describe("Buffer", func() { + var buffer *Buffer + + BeforeEach(func() { + buffer = NewBuffer() + }) + + Describe("dumping the entire contents of the buffer", func() { + It("should return everything that's been written", func() { + buffer.Write([]byte("abc")) + buffer.Write([]byte("def")) + Ω(buffer.Contents()).Should(Equal([]byte("abcdef"))) + + Ω(buffer).Should(Say("bcd")) + Ω(buffer.Contents()).Should(Equal([]byte("abcdef"))) + }) + }) + + Describe("creating a buffer with bytes", func() { + It("should create the buffer with the cursor set to the beginning", func() { + buffer := BufferWithBytes([]byte("abcdef")) + Ω(buffer.Contents()).Should(Equal([]byte("abcdef"))) + Ω(buffer).Should(Say("abc")) + Ω(buffer).ShouldNot(Say("abc")) + Ω(buffer).Should(Say("def")) + }) + }) + + Describe("reading from a buffer", func() { + It("should read the current contents of the buffer", func() { + buffer := BufferWithBytes([]byte("abcde")) + + dest := make([]byte, 3) + n, err := buffer.Read(dest) + Ω(err).ShouldNot(HaveOccurred()) + Ω(n).Should(Equal(3)) + Ω(string(dest)).Should(Equal("abc")) + + dest = make([]byte, 3) + n, err = buffer.Read(dest) + Ω(err).ShouldNot(HaveOccurred()) + Ω(n).Should(Equal(2)) + Ω(string(dest[:n])).Should(Equal("de")) + + n, err = buffer.Read(dest) + Ω(err).Should(Equal(io.EOF)) + Ω(n).Should(Equal(0)) + }) + + Context("after the buffer has been closed", func() { + It("returns an error", func() { + buffer := BufferWithBytes([]byte("abcde")) + + buffer.Close() + + dest := make([]byte, 3) + n, err := buffer.Read(dest) + Ω(err).Should(HaveOccurred()) + Ω(n).Should(Equal(0)) + }) + }) + }) + + Describe("detecting regular expressions", func() { + It("should fire the appropriate channel when the passed in pattern matches, then close it", func(done Done) { + go func() { + time.Sleep(10 * time.Millisecond) + buffer.Write([]byte("abcde")) + }() + + A := buffer.Detect("%s", "a.c") + B := buffer.Detect("def") + + var gotIt bool + select { + case gotIt = <-A: + case <-B: + Fail("should not have gotten here") + } + + Ω(gotIt).Should(BeTrue()) + Eventually(A).Should(BeClosed()) + + buffer.Write([]byte("f")) + Eventually(B).Should(Receive()) + Eventually(B).Should(BeClosed()) + + close(done) + }) + + It("should fast-forward the buffer upon detection", func(done Done) { + buffer.Write([]byte("abcde")) + <-buffer.Detect("abc") + Ω(buffer).ShouldNot(Say("abc")) + Ω(buffer).Should(Say("de")) + close(done) + }) + + It("should only fast-forward the buffer when the channel is read, and only if doing so would not rewind it", func(done Done) { + buffer.Write([]byte("abcde")) + A := buffer.Detect("abc") + time.Sleep(20 * time.Millisecond) //give the goroutine a chance to detect and write to the channel + Ω(buffer).Should(Say("abcd")) + <-A + Ω(buffer).ShouldNot(Say("d")) + Ω(buffer).Should(Say("e")) + Eventually(A).Should(BeClosed()) + close(done) + }) + + It("should be possible to cancel a detection", func(done Done) { + A := buffer.Detect("abc") + B := buffer.Detect("def") + buffer.CancelDetects() + buffer.Write([]byte("abcdef")) + Eventually(A).Should(BeClosed()) + Eventually(B).Should(BeClosed()) + + Ω(buffer).Should(Say("bcde")) + <-buffer.Detect("f") + close(done) + }) + }) + + Describe("closing the buffer", func() { + It("should error when further write attempts are made", func() { + _, err := buffer.Write([]byte("abc")) + Ω(err).ShouldNot(HaveOccurred()) + + buffer.Close() + + _, err = buffer.Write([]byte("def")) + Ω(err).Should(HaveOccurred()) + + Ω(buffer.Contents()).Should(Equal([]byte("abc"))) + }) + + It("should be closed", func() { + Ω(buffer.Closed()).Should(BeFalse()) + + buffer.Close() + + Ω(buffer.Closed()).Should(BeTrue()) + }) + }) +}) -- cgit 1.2.3-korg