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Change reading order of tailfile

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change reading order from beginning at the end to beginning at a buffer start
added intergration tests for boundary cases
Removed whitespace
Signed-off-by: Shayne Wang <shaynexwang@gmail.com>
This commit is contained in:
Shayne Wang
2016-11-09 19:16:47 -08:00
parent d8a7b13cd6
commit 63904eb674
2 changed files with 13 additions and 7 deletions
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18
integration-cli/docker_cli_logs_test.go
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@@ -117,22 +117,28 @@ func (s *DockerSuite) TestLogsTail(c *check.C) {
id := strings.TrimSpace(out)
dockerCmd(c, "wait", id)
out, _ = dockerCmd(c, "logs", "--tail", "5", id)
out, _ = dockerCmd(c, "logs", "--tail", "0", id)
lines := strings.Split(out, "\n")
c.Assert(lines, checker.HasLen, 1)
out, _ = dockerCmd(c, "logs", "--tail", "5", id)
lines = strings.Split(out, "\n")
c.Assert(lines, checker.HasLen, 6)
out, _ = dockerCmd(c, "logs", "--tail", "all", id)
out, _ = dockerCmd(c, "logs", "--tail", "99", id)
lines = strings.Split(out, "\n")
c.Assert(lines, checker.HasLen, 100)
out, _ = dockerCmd(c, "logs", "--tail", "all", id)
lines = strings.Split(out, "\n")
c.Assert(lines, checker.HasLen, testLen+1)
out, _ = dockerCmd(c, "logs", "--tail", "-1", id)
lines = strings.Split(out, "\n")
c.Assert(lines, checker.HasLen, testLen+1)
out, _, _ = dockerCmdWithStdoutStderr(c, "logs", "--tail", "random", id)
lines = strings.Split(out, "\n")
c.Assert(lines, checker.HasLen, testLen+1)
}