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use of checkers on Integration test 

Part of #16756

Use c.Assert instead of condition judgement.

Signed-off-by: Zhang Wei <zhangwei555@huawei.com>
This commit is contained in:
Zhang Wei 2015-10-08 23:56:51 +08:00
parent 9b1fb0d45b
commit 97b9223a1f
2 changed files with 52 additions and 91 deletions
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138
integration-cli/docker_cli_links_test.go
View File

@ -2,10 +2,10 @@ package main
import (
"fmt"
"reflect"
"regexp"
"strings"
"github.com/docker/docker/pkg/integration/checker"
"github.com/go-check/check"
)
@ -13,12 +13,8 @@ func (s *DockerSuite) TestLinksPingUnlinkedContainers(c *check.C) {
testRequires(c, DaemonIsLinux)
_, exitCode, err := dockerCmdWithError("run", "--rm", "busybox", "sh", "-c", "ping -c 1 alias1 -W 1 && ping -c 1 alias2 -W 1")
if exitCode == 0 {
c.Fatal("run ping did not fail")
} else if exitCode != 1 {
c.Fatalf("run ping failed with errors: %v", err)
}
// run ping failed with error
c.Assert(exitCode, checker.Equals, 1, check.Commentf("error: %v", err))
}
// Test for appropriate error when calling --link with an invalid target container
@ -26,13 +22,10 @@ func (s *DockerSuite) TestLinksInvalidContainerTarget(c *check.C) {
testRequires(c, DaemonIsLinux)
out, _, err := dockerCmdWithError("run", "--link", "bogus:alias", "busybox", "true")
if err == nil {
c.Fatal("an invalid container target should produce an error")
}
if !strings.Contains(out, "Could not get container") {
c.Fatalf("error output expected 'Could not get container', but got %q instead; err: %v", out, err)
}
// an invalid container target should produce an error
c.Assert(err, checker.NotNil, check.Commentf("out: %s", out))
// an invalid container target should produce an error
c.Assert(out, checker.Contains, "Could not get container")
}
func (s *DockerSuite) TestLinksPingLinkedContainers(c *check.C) {
@ -76,22 +69,14 @@ func (s *DockerSuite) TestLinksInspectLinksStarted(c *check.C) {
dockerCmd(c, "run", "-d", "--name", "container2", "busybox", "top")
dockerCmd(c, "run", "-d", "--name", "testinspectlink", "--link", "container1:alias1", "--link", "container2:alias2", "busybox", "top")
links, err := inspectFieldJSON("testinspectlink", "HostConfig.Links")
if err != nil {
c.Fatal(err)
}
c.Assert(err, checker.IsNil)
err = unmarshalJSON([]byte(links), &result)
if err != nil {
c.Fatal(err)
}
c.Assert(err, checker.IsNil)
output := convertSliceOfStringsToMap(result)
equal := reflect.DeepEqual(output, expected)
if !equal {
c.Fatalf("Links %s, expected %s", result, expected)
}
c.Assert(output, checker.DeepEquals, expected)
}
func (s *DockerSuite) TestLinksInspectLinksStopped(c *check.C) {
@ -104,23 +89,14 @@ func (s *DockerSuite) TestLinksInspectLinksStopped(c *check.C) {
dockerCmd(c, "run", "-d", "--name", "container2", "busybox", "top")
dockerCmd(c, "run", "-d", "--name", "testinspectlink", "--link", "container1:alias1", "--link", "container2:alias2", "busybox", "true")
links, err := inspectFieldJSON("testinspectlink", "HostConfig.Links")
if err != nil {
c.Fatal(err)
}
c.Assert(err, checker.IsNil)
err = unmarshalJSON([]byte(links), &result)
if err != nil {
c.Fatal(err)
}
c.Assert(err, checker.IsNil)
output := convertSliceOfStringsToMap(result)
equal := reflect.DeepEqual(output, expected)
if !equal {
c.Fatalf("Links %s, but expected %s", result, expected)
}
c.Assert(output, checker.DeepEquals, expected)
}
func (s *DockerSuite) TestLinksNotStartedParentNotFail(c *check.C) {
@ -141,22 +117,15 @@ func (s *DockerSuite) TestLinksHostsFilesInject(c *check.C) {
out, _ = dockerCmd(c, "run", "-itd", "--name", "two", "--link", "one:onetwo", "busybox", "top")
idTwo := strings.TrimSpace(out)
c.Assert(waitRun(idTwo), check.IsNil)
c.Assert(waitRun(idTwo), checker.IsNil)
contentOne, err := readContainerFileWithExec(idOne, "/etc/hosts")
if err != nil {
c.Fatal(err, string(contentOne))
}
c.Assert(err, checker.IsNil, check.Commentf("contentOne: %s", string(contentOne)))
contentTwo, err := readContainerFileWithExec(idTwo, "/etc/hosts")
if err != nil {
c.Fatal(err, string(contentTwo))
}
if !strings.Contains(string(contentTwo), "onetwo") {
c.Fatal("Host is not present in updated hosts file", string(contentTwo))
}
c.Assert(err, checker.IsNil, check.Commentf("contentTwo: %s", string(contentTwo)))
// Host is not present in updated hosts file
c.Assert(string(contentTwo), checker.Contains, "onetwo")
}
func (s *DockerSuite) TestLinksUpdateOnRestart(c *check.C) {
@ -170,50 +139,42 @@ func (s *DockerSuite) TestLinksUpdateOnRestart(c *check.C) {
if err != nil {
c.Fatal(err)
}
c.Assert(err, checker.IsNil)
content, err := readContainerFileWithExec(id, "/etc/hosts")
if err != nil {
c.Fatal(err, string(content))
}
c.Assert(err, checker.IsNil)
getIP := func(hosts []byte, hostname string) string {
re := regexp.MustCompile(fmt.Sprintf(`(\S*)\t%s`, regexp.QuoteMeta(hostname)))
matches := re.FindSubmatch(hosts)
if matches == nil {
c.Fatalf("Hostname %s have no matches in hosts", hostname)
}
c.Assert(matches, checker.NotNil, check.Commentf("Hostname %s have no matches in hosts", hostname))
return string(matches[1])
}
if ip := getIP(content, "one"); ip != realIP {
c.Fatalf("For 'one' alias expected IP: %s, got: %s", realIP, ip)
}
if ip := getIP(content, "onetwo"); ip != realIP {
c.Fatalf("For 'onetwo' alias expected IP: %s, got: %s", realIP, ip)
}
ip := getIP(content, "one")
c.Assert(ip, checker.Equals, realIP)
ip = getIP(content, "onetwo")
c.Assert(ip, checker.Equals, realIP)
dockerCmd(c, "restart", "one")
realIP, err = inspectField("one", "NetworkSettings.IPAddress")
if err != nil {
c.Fatal(err)
}
c.Assert(err, checker.IsNil)
content, err = readContainerFileWithExec(id, "/etc/hosts")
if err != nil {
c.Fatal(err, string(content))
}
if ip := getIP(content, "one"); ip != realIP {
c.Fatalf("For 'one' alias expected IP: %s, got: %s", realIP, ip)
}
if ip := getIP(content, "onetwo"); ip != realIP {
c.Fatalf("For 'onetwo' alias expected IP: %s, got: %s", realIP, ip)
}
c.Assert(err, checker.IsNil, check.Commentf("content: %s", string(content)))
ip = getIP(content, "one")
c.Assert(ip, checker.Equals, realIP)
ip = getIP(content, "onetwo")
c.Assert(ip, checker.Equals, realIP)
}
func (s *DockerSuite) TestLinksEnvs(c *check.C) {
testRequires(c, DaemonIsLinux)
dockerCmd(c, "run", "-d", "-e", "e1=", "-e", "e2=v2", "-e", "e3=v3=v3", "--name=first", "busybox", "top")
out, _ := dockerCmd(c, "run", "--name=second", "--link=first:first", "busybox", "env")
if !strings.Contains(out, "FIRST_ENV_e1=\n") ||
!strings.Contains(out, "FIRST_ENV_e2=v2") ||
!strings.Contains(out, "FIRST_ENV_e3=v3=v3") {
c.Fatalf("Incorrect output: %s", out)
}
c.Assert(out, checker.Contains, "FIRST_ENV_e1=\n")
c.Assert(out, checker.Contains, "FIRST_ENV_e2=v2")
c.Assert(out, checker.Contains, "FIRST_ENV_e3=v3=v3")
}
func (s *DockerSuite) TestLinkShortDefinition(c *check.C) {
@ -221,31 +182,32 @@ func (s *DockerSuite) TestLinkShortDefinition(c *check.C) {
out, _ := dockerCmd(c, "run", "-d", "--name", "shortlinkdef", "busybox", "top")
cid := strings.TrimSpace(out)
c.Assert(waitRun(cid), check.IsNil)
c.Assert(waitRun(cid), checker.IsNil)
out, _ = dockerCmd(c, "run", "-d", "--name", "link2", "--link", "shortlinkdef", "busybox", "top")
cid2 := strings.TrimSpace(out)
c.Assert(waitRun(cid2), check.IsNil)
c.Assert(waitRun(cid2), checker.IsNil)
links, err := inspectFieldJSON(cid2, "HostConfig.Links")
c.Assert(err, check.IsNil)
c.Assert(links, check.Equals, "[\"/shortlinkdef:/link2/shortlinkdef\"]")
c.Assert(err, checker.IsNil)
c.Assert(links, checker.Equals, "[\"/shortlinkdef:/link2/shortlinkdef\"]")
}
func (s *DockerSuite) TestLinksNetworkHostContainer(c *check.C) {
testRequires(c, DaemonIsLinux, NotUserNamespace)
dockerCmd(c, "run", "-d", "--net", "host", "--name", "host_container", "busybox", "top")
out, _, err := dockerCmdWithError("run", "--name", "should_fail", "--link", "host_container:tester", "busybox", "true")
if err == nil || !strings.Contains(out, "--net=host can't be used with links. This would result in undefined behavior") {
c.Fatalf("Running container linking to a container with --net host should have failed: %s", out)
}
// Running container linking to a container with --net host should have failed
c.Assert(err, checker.NotNil, check.Commentf("out: %s", out))
// Running container linking to a container with --net host should have failed
c.Assert(out, checker.Contains, "--net=host can't be used with links. This would result in undefined behavior")
}
func (s *DockerSuite) TestLinksEtcHostsRegularFile(c *check.C) {
testRequires(c, DaemonIsLinux, NotUserNamespace)
out, _ := dockerCmd(c, "run", "--net=host", "busybox", "ls", "-la", "/etc/hosts")
if !strings.HasPrefix(out, "-") {
c.Errorf("/etc/hosts should be a regular file")
}
// /etc/hosts should be a regular file
c.Assert(out, checker.Matches, "^-.+\n")
}

5
integration-cli/docker_cli_links_unix_test.go
View File

@ -6,6 +6,7 @@ import (
"io/ioutil"
"os"
"github.com/docker/docker/pkg/integration/checker"
"github.com/go-check/check"
)
@ -20,8 +21,6 @@ func (s *DockerSuite) TestLinksEtcHostsContentMatch(c *check.C) {
c.Skip("/etc/hosts does not exist, skip this test")
}
if out != string(hosts) {
c.Errorf("container: %s\n\nhost:%s", out, hosts)
}
c.Assert(out, checker.Equals, string(hosts), check.Commentf("container: %s\n\nhost:%s", out, hosts))
}