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package main
import (
"encoding/json"
"fmt"
"strings"
"testing"
"gotest.tools/v3/assert"
)
type DockerCLIInfoSuite struct {
ds *DockerSuite
}
func (s *DockerCLIInfoSuite) TearDownTest(c *testing.T) {
s.ds.TearDownTest(c)
}
func (s *DockerCLIInfoSuite) OnTimeout(c *testing.T) {
s.ds.OnTimeout(c)
}
// ensure docker info succeeds
func (s *DockerCLIInfoSuite) TestInfoEnsureSucceeds(c *testing.T) {
out, _ := dockerCmd(c, "info")
// always shown fields
stringsToCheck := []string{
"ID:",
"Containers:",
" Running:",
" Paused:",
" Stopped:",
"Images:",
"OSType:",
"Architecture:",
"Logging Driver:",
"Operating System:",
"CPUs:",
"Total Memory:",
"Kernel Version:",
"Storage Driver:",
"Volume:",
"Network:",
"Live Restore Enabled:",
}
if testEnv.OSType == "linux" {
stringsToCheck = append(stringsToCheck, "Init Binary:", "Security Options:", "containerd version:", "runc version:", "init version:")
}
if DaemonIsLinux() {
stringsToCheck = append(stringsToCheck, "Runtimes:", "Default Runtime: runc")
}
if testEnv.DaemonInfo.ExperimentalBuild {
stringsToCheck = append(stringsToCheck, "Experimental: true")
} else {
stringsToCheck = append(stringsToCheck, "Experimental: false")
}
for _, linePrefix := range stringsToCheck {
assert.Assert(c, strings.Contains(out, linePrefix), "couldn't find string %v in output", linePrefix)
}
}
func (s *DockerCLIInfoSuite) TestInfoDisplaysRunningContainers(c *testing.T) {
testRequires(c, DaemonIsLinux)
existing := existingContainerStates(c)
dockerCmd(c, "run", "-d", "busybox", "top")
out, _ := dockerCmd(c, "info")
assert.Assert(c, strings.Contains(out, fmt.Sprintf("Containers: %d\n", existing["Containers"]+1)))
assert.Assert(c, strings.Contains(out, fmt.Sprintf(" Running: %d\n", existing["ContainersRunning"]+1)))
assert.Assert(c, strings.Contains(out, fmt.Sprintf(" Paused: %d\n", existing["ContainersPaused"])))
assert.Assert(c, strings.Contains(out, fmt.Sprintf(" Stopped: %d\n", existing["ContainersStopped"])))
}
func (s *DockerCLIInfoSuite) TestInfoDisplaysPausedContainers(c *testing.T) {
testRequires(c, IsPausable)
existing := existingContainerStates(c)
out := runSleepingContainer(c, "-d")
cleanedContainerID := strings.TrimSpace(out)
dockerCmd(c, "pause", cleanedContainerID)
out, _ = dockerCmd(c, "info")
assert.Assert(c, strings.Contains(out, fmt.Sprintf("Containers: %d\n", existing["Containers"]+1)))
assert.Assert(c, strings.Contains(out, fmt.Sprintf(" Running: %d\n", existing["ContainersRunning"])))
assert.Assert(c, strings.Contains(out, fmt.Sprintf(" Paused: %d\n", existing["ContainersPaused"]+1)))
assert.Assert(c, strings.Contains(out, fmt.Sprintf(" Stopped: %d\n", existing["ContainersStopped"])))
}
func (s *DockerCLIInfoSuite) TestInfoDisplaysStoppedContainers(c *testing.T) {
testRequires(c, DaemonIsLinux)
existing := existingContainerStates(c)
out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
cleanedContainerID := strings.TrimSpace(out)
dockerCmd(c, "stop", cleanedContainerID)
out, _ = dockerCmd(c, "info")
assert.Assert(c, strings.Contains(out, fmt.Sprintf("Containers: %d\n", existing["Containers"]+1)))
assert.Assert(c, strings.Contains(out, fmt.Sprintf(" Running: %d\n", existing["ContainersRunning"])))
assert.Assert(c, strings.Contains(out, fmt.Sprintf(" Paused: %d\n", existing["ContainersPaused"])))
assert.Assert(c, strings.Contains(out, fmt.Sprintf(" Stopped: %d\n", existing["ContainersStopped"]+1)))
}
func existingContainerStates(c *testing.T) map[string]int {
out, _ := dockerCmd(c, "info", "--format", "{{json .}}")
var m map[string]interface{}
err := json.Unmarshal([]byte(out), &m)
assert.NilError(c, err)
res := map[string]int{}
res["Containers"] = int(m["Containers"].(float64))
res["ContainersRunning"] = int(m["ContainersRunning"].(float64))
res["ContainersPaused"] = int(m["ContainersPaused"].(float64))
res["ContainersStopped"] = int(m["ContainersStopped"].(float64))
return res
}
|
