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sd-step_test.go
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sd-step_test.go
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package main
import (
"bytes"
"errors"
"fmt"
"os"
"os/exec"
"reflect"
"strings"
"testing"
)
func fakeExecCommand(command string, args ...string) *exec.Cmd {
cs := []string{"-test.run=TestHelperProcess", "--", command}
cs = append(cs, args...)
cmd := exec.Command(os.Args[0], cs...)
cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1"}
return cmd
}
const habExecResult = "run hab pkg install\nrun hab pkg exec\n"
func TestRunCommand(t *testing.T) {
execCommand = fakeExecCommand
defer func() { execCommand = exec.Command }()
stdout := new(bytes.Buffer)
err := runCommand("sudo hab pkg install foo/bar", stdout)
expected := "run hab pkg install\n"
if err != nil {
t.Errorf("runCommand error = %q, should be nil", err)
}
if s := stdout.String(); s != expected {
t.Errorf("Expected '%v', actual '%v'", expected, s)
}
stdout = new(bytes.Buffer)
err = runCommand("hab pkg exec foo/bar foo bar foobar", stdout)
expected = "run hab pkg exec\n"
if err != nil {
t.Errorf("runCommand error = %v, should be nil", err)
}
if s := stdout.String(); s != expected {
t.Errorf("Expected '%v', actual '%v'", expected, s)
}
}
func TestExecHab(t *testing.T) {
stdout := new(bytes.Buffer)
execCommand = fakeExecCommand
defer func() { execCommand = exec.Command }()
err := execHab("foo/bar", "2.2.2", "stable", []string{"foo", "bar", "foobar"}, stdout)
if err != nil {
t.Errorf("execHab error = %q, should be nil", err)
}
if s := stdout.String(); s != habExecResult {
t.Errorf("Expected %q, got %q", habExecResult, s)
}
}
func TestMain(m *testing.M) {
retCode := m.Run()
os.Exit(retCode)
}
func TestHelperProcess(t *testing.T) {
if os.Getenv("GO_WANT_HELPER_PROCESS") != "1" {
return
}
defer os.Exit(0)
args := os.Args[:]
for i, val := range os.Args {
args = os.Args[i:]
if val == "-c" {
args = strings.Split(args[1:][0], " ")
break
}
}
if len(args) >= 4 {
if args[0] == "sudo" && args[3] == "install" ||
args[0] != "sudo" && args[2] == "install" {
fmt.Println("run hab pkg install")
return
} else if args[2] == "exec" {
fmt.Println("run hab pkg exec")
return
} else {
os.Exit(255)
}
}
os.Exit(255)
}
type depotMock struct {
versions []string
err error
}
func (depo *depotMock) PackageVersionsFromName(pkgName string, habChannel string) ([]string, error) {
if depo.err != nil {
return nil, depo.err
}
return depo.versions, nil
}
func TestGetPackageVersions(t *testing.T) {
tests := []struct {
versionExpression string
foundVersions []string
expectedVersion string
depotError error
expectedError error
}{
{
versionExpression: "1.0.0",
foundVersions: []string{"0.0.1", "0.1.0", "1.0.0", "2.0.0"},
expectedVersion: "1.0.0",
depotError: nil,
expectedError: nil,
},
{
versionExpression: "^1.2.0",
foundVersions: []string{"0.0.1", "0.1.0", "1.1.9", "1.2.1", "1.2.2", "1.3.0", "2.0.0"},
expectedVersion: "1.3.0",
depotError: nil,
expectedError: nil,
},
{
versionExpression: "~1.2.0",
foundVersions: []string{"0.0.1", "0.1.0", "1.1.9", "1.2.1", "1.2.2", "1.3.0", "2.0.0"},
expectedVersion: "1.2.2",
depotError: nil,
expectedError: nil,
},
{
versionExpression: "",
foundVersions: []string{"0.0.1", "0.1.0", "1.1.9", "1.2.1", "1.2.2", "1.3.0", "2.0.0"},
expectedVersion: "",
depotError: nil,
expectedError: nil,
},
{
versionExpression: "1.0.0",
foundVersions: []string{"0.0.1", "0.1.0", "1.1.9", "1.2.1", "1.2.2", "1.3.0", "2.0.0"},
expectedVersion: "",
depotError: errors.New("depot error"),
expectedError: errors.New("the specified version not found"),
},
{
versionExpression: "~1.2.0",
foundVersions: []string{"0.0.1", "0.1.0", "1.1.9", "1.2.1", "1.2.2", "1.2.3-abc", "1.3.0", "2.0.0"},
expectedVersion: "1.2.2",
depotError: nil,
expectedError: nil,
},
{
versionExpression: "1.2.0-beta",
foundVersions: []string{"0.0.1", "0.1.0", "1.1.9", "1.2.1", "1.2.2", "1.2.3-abc", "1.3.0", "2.0.0"},
expectedVersion: "",
depotError: nil,
expectedError: errors.New("the specified version not found"),
},
}
for _, test := range tests {
depot := &depotMock{test.foundVersions, test.depotError}
version, err := getPackageVersion(depot, "foo/test", test.versionExpression, "stable")
if test.expectedError == nil && err != nil {
t.Fatalf("Unexpected error: %v", err)
}
if test.expectedError != nil {
if reflect.TypeOf(err) != reflect.TypeOf(test.expectedError) {
t.Fatalf("Expected error type %v, actual %v", reflect.TypeOf(test.expectedError), reflect.TypeOf(err))
} else if err.Error() != test.expectedError.Error() {
t.Errorf("Expected Error \"%s\", actual \"%s\"", test.expectedError.Error(), err.Error())
}
} else {
if version != test.expectedVersion {
t.Errorf("Expected \"%s\", actual \"%s\"", test.expectedVersion, version)
}
}
}
}