mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
300 lines
12 KiB
Go
300 lines
12 KiB
Go
package runconfig
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"strings"
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"testing"
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"github.com/docker/docker/nat"
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)
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func parse(t *testing.T, args string) (*Config, *HostConfig, error) {
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config, hostConfig, _, err := parseRun(strings.Split(args+" ubuntu bash", " "))
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return config, hostConfig, err
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}
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func mustParse(t *testing.T, args string) (*Config, *HostConfig) {
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config, hostConfig, err := parse(t, args)
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if err != nil {
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t.Fatal(err)
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}
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return config, hostConfig
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}
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// check if (a == c && b == d) || (a == d && b == c)
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// because maps are randomized
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func compareRandomizedStrings(a, b, c, d string) error {
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if a == c && b == d {
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return nil
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}
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if a == d && b == c {
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return nil
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}
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return fmt.Errorf("strings don't match")
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}
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func TestParseRunLinks(t *testing.T) {
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if _, hostConfig := mustParse(t, "--link a:b"); len(hostConfig.Links) == 0 || hostConfig.Links[0] != "a:b" {
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t.Fatalf("Error parsing links. Expected []string{\"a:b\"}, received: %v", hostConfig.Links)
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}
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if _, hostConfig := mustParse(t, "--link a:b --link c:d"); len(hostConfig.Links) < 2 || hostConfig.Links[0] != "a:b" || hostConfig.Links[1] != "c:d" {
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t.Fatalf("Error parsing links. Expected []string{\"a:b\", \"c:d\"}, received: %v", hostConfig.Links)
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}
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if _, hostConfig := mustParse(t, ""); len(hostConfig.Links) != 0 {
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t.Fatalf("Error parsing links. No link expected, received: %v", hostConfig.Links)
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}
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if _, _, err := parse(t, "--link a"); err == nil {
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t.Fatalf("Error parsing links. `--link a` should be an error but is not")
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}
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if _, _, err := parse(t, "--link"); err == nil {
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t.Fatalf("Error parsing links. `--link` should be an error but is not")
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}
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}
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func TestParseRunAttach(t *testing.T) {
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if config, _ := mustParse(t, "-a stdin"); !config.AttachStdin || config.AttachStdout || config.AttachStderr {
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t.Fatalf("Error parsing attach flags. Expect only Stdin enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr)
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}
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if config, _ := mustParse(t, "-a stdin -a stdout"); !config.AttachStdin || !config.AttachStdout || config.AttachStderr {
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t.Fatalf("Error parsing attach flags. Expect only Stdin and Stdout enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr)
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}
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if config, _ := mustParse(t, "-a stdin -a stdout -a stderr"); !config.AttachStdin || !config.AttachStdout || !config.AttachStderr {
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t.Fatalf("Error parsing attach flags. Expect all attach enabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr)
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}
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if config, _ := mustParse(t, ""); config.AttachStdin || !config.AttachStdout || !config.AttachStderr {
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t.Fatalf("Error parsing attach flags. Expect Stdin disabled. Received: in: %v, out: %v, err: %v", config.AttachStdin, config.AttachStdout, config.AttachStderr)
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}
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if _, _, err := parse(t, "-a"); err == nil {
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t.Fatalf("Error parsing attach flags, `-a` should be an error but is not")
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}
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if _, _, err := parse(t, "-a invalid"); err == nil {
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t.Fatalf("Error parsing attach flags, `-a invalid` should be an error but is not")
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}
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if _, _, err := parse(t, "-a invalid -a stdout"); err == nil {
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t.Fatalf("Error parsing attach flags, `-a stdout -a invalid` should be an error but is not")
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}
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if _, _, err := parse(t, "-a stdout -a stderr -d"); err == nil {
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t.Fatalf("Error parsing attach flags, `-a stdout -a stderr -d` should be an error but is not")
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}
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if _, _, err := parse(t, "-a stdin -d"); err == nil {
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t.Fatalf("Error parsing attach flags, `-a stdin -d` should be an error but is not")
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}
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if _, _, err := parse(t, "-a stdout -d"); err == nil {
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t.Fatalf("Error parsing attach flags, `-a stdout -d` should be an error but is not")
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}
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if _, _, err := parse(t, "-a stderr -d"); err == nil {
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t.Fatalf("Error parsing attach flags, `-a stderr -d` should be an error but is not")
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}
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if _, _, err := parse(t, "-d --rm"); err == nil {
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t.Fatalf("Error parsing attach flags, `-d --rm` should be an error but is not")
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}
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}
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func TestParseRunVolumes(t *testing.T) {
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if config, hostConfig := mustParse(t, "-v /tmp"); hostConfig.Binds != nil {
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t.Fatalf("Error parsing volume flags, `-v /tmp` should not mount-bind anything. Received %v", hostConfig.Binds)
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} else if _, exists := config.Volumes["/tmp"]; !exists {
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t.Fatalf("Error parsing volume flags, `-v /tmp` is missing from volumes. Received %v", config.Volumes)
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}
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if config, hostConfig := mustParse(t, "-v /tmp -v /var"); hostConfig.Binds != nil {
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t.Fatalf("Error parsing volume flags, `-v /tmp -v /var` should not mount-bind anything. Received %v", hostConfig.Binds)
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} else if _, exists := config.Volumes["/tmp"]; !exists {
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t.Fatalf("Error parsing volume flags, `-v /tmp` is missing from volumes. Recevied %v", config.Volumes)
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} else if _, exists := config.Volumes["/var"]; !exists {
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t.Fatalf("Error parsing volume flags, `-v /var` is missing from volumes. Received %v", config.Volumes)
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}
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if _, hostConfig := mustParse(t, "-v /hostTmp:/containerTmp"); hostConfig.Binds == nil || hostConfig.Binds[0] != "/hostTmp:/containerTmp" {
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t.Fatalf("Error parsing volume flags, `-v /hostTmp:/containerTmp` should mount-bind /hostTmp into /containeTmp. Received %v", hostConfig.Binds)
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}
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if _, hostConfig := mustParse(t, "-v /hostTmp:/containerTmp -v /hostVar:/containerVar"); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], "/hostTmp:/containerTmp", "/hostVar:/containerVar") != nil {
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t.Fatalf("Error parsing volume flags, `-v /hostTmp:/containerTmp -v /hostVar:/containerVar` should mount-bind /hostTmp into /containeTmp and /hostVar into /hostContainer. Received %v", hostConfig.Binds)
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}
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if _, hostConfig := mustParse(t, "-v /hostTmp:/containerTmp:ro -v /hostVar:/containerVar:rw"); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], "/hostTmp:/containerTmp:ro", "/hostVar:/containerVar:rw") != nil {
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t.Fatalf("Error parsing volume flags, `-v /hostTmp:/containerTmp:ro -v /hostVar:/containerVar:rw` should mount-bind /hostTmp into /containeTmp and /hostVar into /hostContainer. Received %v", hostConfig.Binds)
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}
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if config, hostConfig := mustParse(t, "-v /hostTmp:/containerTmp -v /containerVar"); hostConfig.Binds == nil || len(hostConfig.Binds) > 1 || hostConfig.Binds[0] != "/hostTmp:/containerTmp" {
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t.Fatalf("Error parsing volume flags, `-v /hostTmp:/containerTmp -v /containerVar` should mount-bind only /hostTmp into /containeTmp. Received %v", hostConfig.Binds)
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} else if _, exists := config.Volumes["/containerVar"]; !exists {
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t.Fatalf("Error parsing volume flags, `-v /containerVar` is missing from volumes. Received %v", config.Volumes)
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}
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if config, hostConfig := mustParse(t, ""); hostConfig.Binds != nil {
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t.Fatalf("Error parsing volume flags, without volume, nothing should be mount-binded. Received %v", hostConfig.Binds)
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} else if len(config.Volumes) != 0 {
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t.Fatalf("Error parsing volume flags, without volume, no volume should be present. Received %v", config.Volumes)
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}
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if _, _, err := parse(t, "-v /"); err == nil {
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t.Fatalf("Expected error, but got none")
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}
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if _, _, err := parse(t, "-v /:/"); err == nil {
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t.Fatalf("Error parsing volume flags, `-v /:/` should fail but didn't")
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}
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if _, _, err := parse(t, "-v"); err == nil {
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t.Fatalf("Error parsing volume flags, `-v` should fail but didn't")
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}
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if _, _, err := parse(t, "-v /tmp:"); err == nil {
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t.Fatalf("Error parsing volume flags, `-v /tmp:` should fail but didn't")
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}
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if _, _, err := parse(t, "-v /tmp:ro"); err == nil {
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t.Fatalf("Error parsing volume flags, `-v /tmp:ro` should fail but didn't")
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}
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if _, _, err := parse(t, "-v /tmp::"); err == nil {
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t.Fatalf("Error parsing volume flags, `-v /tmp::` should fail but didn't")
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}
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if _, _, err := parse(t, "-v :"); err == nil {
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t.Fatalf("Error parsing volume flags, `-v :` should fail but didn't")
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}
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if _, _, err := parse(t, "-v ::"); err == nil {
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t.Fatalf("Error parsing volume flags, `-v ::` should fail but didn't")
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}
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if _, _, err := parse(t, "-v /tmp:/tmp:/tmp:/tmp"); err == nil {
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t.Fatalf("Error parsing volume flags, `-v /tmp:/tmp:/tmp:/tmp` should fail but didn't")
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}
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}
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func TestCompare(t *testing.T) {
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volumes1 := make(map[string]struct{})
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volumes1["/test1"] = struct{}{}
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config1 := Config{
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PortSpecs: []string{"1111:1111", "2222:2222"},
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Env: []string{"VAR1=1", "VAR2=2"},
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Volumes: volumes1,
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}
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config3 := Config{
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PortSpecs: []string{"0000:0000", "2222:2222"},
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Env: []string{"VAR1=1", "VAR2=2"},
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Volumes: volumes1,
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}
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volumes2 := make(map[string]struct{})
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volumes2["/test2"] = struct{}{}
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config5 := Config{
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PortSpecs: []string{"0000:0000", "2222:2222"},
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Env: []string{"VAR1=1", "VAR2=2"},
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Volumes: volumes2,
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}
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if Compare(&config1, &config3) {
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t.Fatalf("Compare should return false, PortSpecs are different")
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}
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if Compare(&config1, &config5) {
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t.Fatalf("Compare should return false, Volumes are different")
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}
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if !Compare(&config1, &config1) {
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t.Fatalf("Compare should return true")
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}
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}
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func TestMerge(t *testing.T) {
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volumesImage := make(map[string]struct{})
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volumesImage["/test1"] = struct{}{}
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volumesImage["/test2"] = struct{}{}
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configImage := &Config{
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PortSpecs: []string{"1111:1111", "2222:2222"},
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Env: []string{"VAR1=1", "VAR2=2"},
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Volumes: volumesImage,
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}
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volumesUser := make(map[string]struct{})
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volumesUser["/test3"] = struct{}{}
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configUser := &Config{
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PortSpecs: []string{"3333:2222", "3333:3333"},
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Env: []string{"VAR2=3", "VAR3=3"},
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Volumes: volumesUser,
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}
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if err := Merge(configUser, configImage); err != nil {
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t.Error(err)
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}
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if len(configUser.ExposedPorts) != 3 {
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t.Fatalf("Expected 3 ExposedPorts, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts))
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}
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for portSpecs := range configUser.ExposedPorts {
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if portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" {
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t.Fatalf("Expected 1111 or 2222 or 3333, found %s", portSpecs)
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}
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}
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if len(configUser.Env) != 3 {
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t.Fatalf("Expected 3 env var, VAR1=1, VAR2=3 and VAR3=3, found %d", len(configUser.Env))
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}
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for _, env := range configUser.Env {
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if env != "VAR1=1" && env != "VAR2=3" && env != "VAR3=3" {
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t.Fatalf("Expected VAR1=1 or VAR2=3 or VAR3=3, found %s", env)
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}
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}
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if len(configUser.Volumes) != 3 {
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t.Fatalf("Expected 3 volumes, /test1, /test2 and /test3, found %d", len(configUser.Volumes))
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}
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for v := range configUser.Volumes {
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if v != "/test1" && v != "/test2" && v != "/test3" {
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t.Fatalf("Expected /test1 or /test2 or /test3, found %s", v)
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}
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}
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ports, _, err := nat.ParsePortSpecs([]string{"0000"})
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if err != nil {
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t.Error(err)
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}
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configImage2 := &Config{
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ExposedPorts: ports,
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}
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if err := Merge(configUser, configImage2); err != nil {
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t.Error(err)
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}
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if len(configUser.ExposedPorts) != 4 {
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t.Fatalf("Expected 4 ExposedPorts, 0000, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts))
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}
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for portSpecs := range configUser.ExposedPorts {
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if portSpecs.Port() != "0" && portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" {
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t.Fatalf("Expected %q or %q or %q or %q, found %s", 0, 1111, 2222, 3333, portSpecs)
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}
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}
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}
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func TestDecodeContainerConfig(t *testing.T) {
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fixtures := []struct {
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file string
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entrypoint *Entrypoint
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}{
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{"fixtures/container_config_1_14.json", NewEntrypoint()},
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{"fixtures/container_config_1_17.json", NewEntrypoint("bash")},
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{"fixtures/container_config_1_19.json", NewEntrypoint("bash")},
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}
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for _, f := range fixtures {
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b, err := ioutil.ReadFile(f.file)
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if err != nil {
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t.Fatal(err)
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}
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c, h, err := DecodeContainerConfig(bytes.NewReader(b))
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if err != nil {
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t.Fatal(fmt.Errorf("Error parsing %s: %v", f, err))
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}
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if c.Image != "ubuntu" {
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t.Fatalf("Expected ubuntu image, found %s\n", c.Image)
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}
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if c.Entrypoint.Len() != f.entrypoint.Len() {
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t.Fatalf("Expected %v, found %v\n", f.entrypoint, c.Entrypoint)
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}
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if h.Memory != 1000 {
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t.Fatalf("Expected memory to be 1000, found %d\n", h.Memory)
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}
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}
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}
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