mirror of
https://github.com/caddyserver/caddy.git
synced 2024-11-26 02:09:47 +08:00
292 lines
8.4 KiB
Go
292 lines
8.4 KiB
Go
package caddy
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import (
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"fmt"
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"runtime"
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"strings"
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"testing"
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)
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func TestParseUnixCommand(t *testing.T) {
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tests := []struct {
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input string
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expected []string
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}{
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// 0 - empty command
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{
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input: ``,
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expected: []string{},
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},
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// 1 - command without arguments
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{
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input: `command`,
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expected: []string{`command`},
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},
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// 2 - command with single argument
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{
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input: `command arg1`,
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expected: []string{`command`, `arg1`},
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},
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// 3 - command with multiple arguments
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{
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input: `command arg1 arg2`,
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expected: []string{`command`, `arg1`, `arg2`},
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},
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// 4 - command with single argument with space character - in quotes
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{
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input: `command "arg1 arg1"`,
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expected: []string{`command`, `arg1 arg1`},
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},
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// 5 - command with multiple spaces and tab character
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{
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input: "command arg1 arg2\targ3",
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expected: []string{`command`, `arg1`, `arg2`, `arg3`},
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},
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// 6 - command with single argument with space character - escaped with backspace
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{
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input: `command arg1\ arg2`,
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expected: []string{`command`, `arg1 arg2`},
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},
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// 7 - single quotes should escape special chars
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{
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input: `command 'arg1\ arg2'`,
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expected: []string{`command`, `arg1\ arg2`},
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},
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}
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for i, test := range tests {
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errorPrefix := fmt.Sprintf("Test [%d]: ", i)
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errorSuffix := fmt.Sprintf(" Command to parse: [%s]", test.input)
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actual, _ := parseUnixCommand(test.input)
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if len(actual) != len(test.expected) {
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t.Errorf(errorPrefix+"Expected %d parts, got %d: %#v."+errorSuffix, len(test.expected), len(actual), actual)
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continue
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}
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for j := 0; j < len(actual); j++ {
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if expectedPart, actualPart := test.expected[j], actual[j]; expectedPart != actualPart {
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t.Errorf(errorPrefix+"Expected: %v Actual: %v (index %d)."+errorSuffix, expectedPart, actualPart, j)
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}
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}
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}
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}
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func TestParseWindowsCommand(t *testing.T) {
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tests := []struct {
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input string
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expected []string
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}{
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{ // 0 - empty command - do not fail
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input: ``,
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expected: []string{},
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},
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{ // 1 - cmd without args
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input: `cmd`,
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expected: []string{`cmd`},
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},
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{ // 2 - multiple args
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input: `cmd arg1 arg2`,
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expected: []string{`cmd`, `arg1`, `arg2`},
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},
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{ // 3 - multiple args with space
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input: `cmd "combined arg" arg2`,
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expected: []string{`cmd`, `combined arg`, `arg2`},
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},
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{ // 4 - path without spaces
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input: `mkdir C:\Windows\foo\bar`,
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expected: []string{`mkdir`, `C:\Windows\foo\bar`},
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},
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{ // 5 - command with space in quotes
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input: `"command here"`,
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expected: []string{`command here`},
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},
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{ // 6 - argument with escaped quotes (two quotes)
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input: `cmd ""arg""`,
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expected: []string{`cmd`, `"arg"`},
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},
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{ // 7 - argument with escaped quotes (backslash)
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input: `cmd \"arg\"`,
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expected: []string{`cmd`, `"arg"`},
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},
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{ // 8 - two quotes (escaped) inside an inQuote element
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input: `cmd "a ""quoted value"`,
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expected: []string{`cmd`, `a "quoted value`},
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},
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// TODO - see how many quotes are dislayed if we use "", """, """""""
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{ // 9 - two quotes outside an inQuote element
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input: `cmd a ""quoted value`,
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expected: []string{`cmd`, `a`, `"quoted`, `value`},
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},
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{ // 10 - path with space in quotes
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input: `mkdir "C:\directory name\foobar"`,
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expected: []string{`mkdir`, `C:\directory name\foobar`},
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},
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{ // 11 - space without quotes
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input: `mkdir C:\ space`,
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expected: []string{`mkdir`, `C:\`, `space`},
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},
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{ // 12 - space in quotes
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input: `mkdir "C:\ space"`,
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expected: []string{`mkdir`, `C:\ space`},
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},
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{ // 13 - UNC
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input: `mkdir \\?\C:\Users`,
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expected: []string{`mkdir`, `\\?\C:\Users`},
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},
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{ // 14 - UNC with space
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input: `mkdir "\\?\C:\Program Files"`,
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expected: []string{`mkdir`, `\\?\C:\Program Files`},
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},
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{ // 15 - unclosed quotes - treat as if the path ends with quote
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input: `mkdir "c:\Program files`,
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expected: []string{`mkdir`, `c:\Program files`},
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},
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{ // 16 - quotes used inside the argument
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input: `mkdir "c:\P"rogra"m f"iles`,
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expected: []string{`mkdir`, `c:\Program files`},
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},
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}
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for i, test := range tests {
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errorPrefix := fmt.Sprintf("Test [%d]: ", i)
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errorSuffix := fmt.Sprintf(" Command to parse: [%s]", test.input)
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actual := parseWindowsCommand(test.input)
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if len(actual) != len(test.expected) {
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t.Errorf(errorPrefix+"Expected %d parts, got %d: %#v."+errorSuffix, len(test.expected), len(actual), actual)
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continue
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}
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for j := 0; j < len(actual); j++ {
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if expectedPart, actualPart := test.expected[j], actual[j]; expectedPart != actualPart {
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t.Errorf(errorPrefix+"Expected: %v Actual: %v (index %d)."+errorSuffix, expectedPart, actualPart, j)
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}
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}
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}
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}
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func TestSplitCommandAndArgs(t *testing.T) {
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// force linux parsing. It's more robust and covers error cases
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runtimeGoos = "linux"
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defer func() {
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runtimeGoos = runtime.GOOS
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}()
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var parseErrorContent = "error parsing command:"
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var noCommandErrContent = "no command contained in"
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tests := []struct {
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input string
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expectedCommand string
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expectedArgs []string
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expectedErrContent string
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}{
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// 0 - empty command
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{
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input: ``,
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expectedCommand: ``,
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expectedArgs: nil,
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expectedErrContent: noCommandErrContent,
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},
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// 1 - command without arguments
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{
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input: `command`,
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expectedCommand: `command`,
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expectedArgs: nil,
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expectedErrContent: ``,
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},
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// 2 - command with single argument
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{
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input: `command arg1`,
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expectedCommand: `command`,
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expectedArgs: []string{`arg1`},
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expectedErrContent: ``,
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},
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// 3 - command with multiple arguments
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{
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input: `command arg1 arg2`,
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expectedCommand: `command`,
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expectedArgs: []string{`arg1`, `arg2`},
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expectedErrContent: ``,
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},
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// 4 - command with unclosed quotes
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{
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input: `command "arg1 arg2`,
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expectedCommand: "",
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expectedArgs: nil,
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expectedErrContent: parseErrorContent,
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},
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// 5 - command with unclosed quotes
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{
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input: `command 'arg1 arg2"`,
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expectedCommand: "",
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expectedArgs: nil,
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expectedErrContent: parseErrorContent,
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},
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}
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for i, test := range tests {
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errorPrefix := fmt.Sprintf("Test [%d]: ", i)
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errorSuffix := fmt.Sprintf(" Command to parse: [%s]", test.input)
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actualCommand, actualArgs, actualErr := SplitCommandAndArgs(test.input)
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// test if error matches expectation
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if test.expectedErrContent != "" {
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if actualErr == nil {
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t.Errorf(errorPrefix+"Expected error with content [%s], found no error."+errorSuffix, test.expectedErrContent)
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} else if !strings.Contains(actualErr.Error(), test.expectedErrContent) {
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t.Errorf(errorPrefix+"Expected error with content [%s], found [%v]."+errorSuffix, test.expectedErrContent, actualErr)
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}
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} else if actualErr != nil {
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t.Errorf(errorPrefix+"Expected no error, found [%v]."+errorSuffix, actualErr)
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}
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// test if command matches
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if test.expectedCommand != actualCommand {
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t.Errorf(errorPrefix+"Expected command: [%s], actual: [%s]."+errorSuffix, test.expectedCommand, actualCommand)
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}
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// test if arguments match
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if len(test.expectedArgs) != len(actualArgs) {
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t.Errorf(errorPrefix+"Wrong number of arguments! Expected [%v], actual [%v]."+errorSuffix, test.expectedArgs, actualArgs)
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} else {
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// test args only if the count matches.
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for j, actualArg := range actualArgs {
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expectedArg := test.expectedArgs[j]
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if actualArg != expectedArg {
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t.Errorf(errorPrefix+"Argument at position [%d] differ! Expected [%s], actual [%s]"+errorSuffix, j, expectedArg, actualArg)
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}
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}
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}
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}
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}
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func ExampleSplitCommandAndArgs() {
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var commandLine string
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var command string
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var args []string
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// just for the test - change GOOS and reset it at the end of the test
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runtimeGoos = "windows"
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defer func() {
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runtimeGoos = runtime.GOOS
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}()
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commandLine = `mkdir /P "C:\Program Files"`
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command, args, _ = SplitCommandAndArgs(commandLine)
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fmt.Printf("Windows: %s: %s [%s]\n", commandLine, command, strings.Join(args, ","))
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// set GOOS to linux
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runtimeGoos = "linux"
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commandLine = `mkdir -p /path/with\ space`
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command, args, _ = SplitCommandAndArgs(commandLine)
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fmt.Printf("Linux: %s: %s [%s]\n", commandLine, command, strings.Join(args, ","))
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// Output:
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// Windows: mkdir /P "C:\Program Files": mkdir [/P,C:\Program Files]
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// Linux: mkdir -p /path/with\ space: mkdir [-p,/path/with space]
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}
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