98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
package main
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import (
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"os"
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"os/exec"
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"runtime"
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"strings"
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"testing"
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"unicode"
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)
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func TestMainHelpWidth(t *testing.T) {
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// Make sure main help text fits within 80 chars and that
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// on non-windows system we use ~ when possible (to shorten things)
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var home string
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if runtime.GOOS != "windows" {
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home = os.Getenv("HOME")
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}
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helpCmd := exec.Command(dockerBinary, "help")
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out, ec, err := runCommandWithOutput(helpCmd)
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if err != nil || ec != 0 {
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t.Fatalf("docker help should have worked\nout:%s\nec:%d", out, ec)
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}
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lines := strings.Split(out, "\n")
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for _, line := range lines {
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if len(line) > 80 {
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t.Fatalf("Line is too long(%d chars):\n%s", len(line), line)
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}
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if home != "" && strings.Contains(line, home) {
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t.Fatalf("Line should use ~ instead of %q:\n%s", home, line)
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}
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}
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logDone("help - verify main width")
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}
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func TestCmdHelpWidth(t *testing.T) {
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// Make sure main help text fits within 80 chars and that
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// on non-windows system we use ~ when possible (to shorten things)
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var home string
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if runtime.GOOS != "windows" {
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home = os.Getenv("HOME")
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}
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// Pull the list of commands from the "Commands:" section of docker help
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helpCmd := exec.Command(dockerBinary, "help")
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out, ec, err := runCommandWithOutput(helpCmd)
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if err != nil || ec != 0 {
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t.Fatalf("docker help should have worked\nout:%s\nec:%d", out, ec)
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}
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i := strings.Index(out, "Commands:")
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if i < 0 {
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t.Fatalf("Missing 'Commands:' in:\n%s", out)
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}
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// Grab all chars starting at "Commands:"
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// Skip first line, its "Commands:"
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count := 0
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cmds := ""
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for _, command := range strings.Split(out[i:], "\n")[1:] {
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// Stop on blank line or non-idented line
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if command == "" || !unicode.IsSpace(rune(command[0])) {
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break
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}
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// Grab just the first word of each line
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command = strings.Split(strings.TrimSpace(command), " ")[0]
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count++
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cmds = cmds + "\n" + command
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helpCmd := exec.Command(dockerBinary, command, "--help")
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out, ec, err := runCommandWithOutput(helpCmd)
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if err != nil || ec != 0 {
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t.Fatalf("docker help should have worked\nout:%s\nec:%d", out, ec)
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}
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lines := strings.Split(out, "\n")
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for _, line := range lines {
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if len(line) > 80 {
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t.Fatalf("Help for %q is too long(%d chars):\n%s", command, len(line), line)
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}
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if home != "" && strings.Contains(line, home) {
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t.Fatalf("Help for %q should use ~ instead of %q on:\n%s", command, home, line)
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}
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}
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}
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expected := 39
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if count != expected {
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t.Fatalf("Wrong # of commands (%d), it should be: %d\nThe list:\n%s",
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len(cmds), expected, cmds)
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}
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logDone("help - cmd widths")
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}
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