mirror of
https://github.com/go-sylixos/elvish.git
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65 lines
2.6 KiB
Go
65 lines
2.6 KiB
Go
//go:build !windows && !plan9 && !js
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// +build !windows,!plan9,!js
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package unix
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import (
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"testing"
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"src.elv.sh/pkg/eval"
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"src.elv.sh/pkg/eval/errs"
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. "src.elv.sh/pkg/eval/evaltest"
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)
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// Note that this unit test assumes a UNIX environment with a POSIX compatible
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// /bin/sh program.
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func TestUmask(t *testing.T) {
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setup := func(ev *eval.Evaler) {
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ev.ExtendGlobal(eval.BuildNs().AddNs("unix", Ns))
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}
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TestWithSetup(t, setup,
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// We have to start with a known umask value.
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That(`set unix:umask = 022`).Puts(),
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That(`put $unix:umask`).Puts(`0o022`),
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// Verify that mutating the value and outputting the new value works.
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That(`set unix:umask = 23`).Puts(),
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That(`put $unix:umask`).Puts(`0o023`),
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That(`set unix:umask = 0o75`).Puts(),
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That(`put $unix:umask`).Puts(`0o075`),
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// Verify that a temporary umask change is reverted upon completion of
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// the command. Both for builtin and external commands.
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That(`unix:umask=012 put $unix:umask`).Puts(`0o012`),
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That(`unix:umask=0o23 /bin/sh -c 'umask'`).Prints("0023\n"),
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That(`unix:umask=56 /bin/sh -c 'umask'`).Prints("0056\n"),
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That(`put $unix:umask`).Puts(`0o075`),
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// People won't normally use non-octal bases but make sure these cases
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// behave sensibly given that Elvish supports number literals with an
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// explicit base.
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That(`unix:umask=0x43 /bin/sh -c 'umask'`).Prints("0103\n"),
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That(`unix:umask=0b001010100 sh -c 'umask'`).Prints("0124\n"),
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// We should be back to our expected umask given the preceding tests
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// applied a temporary change to that process attribute.
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That(`put $unix:umask`).Puts(`0o075`),
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// An explicit num (int) value is handled correctly.
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That(`unix:umask=(num 0o123) put $unix:umask`).Puts(`0o123`),
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// An explicit float64 value is handled correctly.
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That(`unix:umask=(float64 0o17) put $unix:umask`).Puts(`0o017`),
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That(`set unix:umask = (float64 123.4)`).Throws(
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errs.BadValue{What: "umask", Valid: validUmaskMsg, Actual: "123.4"}),
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// An invalid string should raise the expected exception.
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That(`unix:umask = 022z`).Throws(errs.BadValue{
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What: "umask", Valid: validUmaskMsg, Actual: "022z"}),
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// An invalid data type should raise the expected exception.
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That(`unix:umask = [1]`).Throws(errs.BadValue{
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What: "umask", Valid: validUmaskMsg, Actual: "list"}),
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// Values outside the legal range should raise the expected exception.
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That(`unix:umask = 0o1000`).Throws(errs.OutOfRange{
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What: "umask", ValidLow: "0", ValidHigh: "0o777", Actual: "0o1000"}),
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That(`unix:umask = -1`).Throws(errs.OutOfRange{
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What: "umask", ValidLow: "0", ValidHigh: "0o777", Actual: "-0o1"}),
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)
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}
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