27f16b126d
Add test suite under testes/lush/ covering backtick commands, argv
parsing, ${} interpolation, and $NAME environment variables. Wire
them into testes/all.lua so they run with the full Lua 5.5 suite.
Skip /dev/full test in files.lua when the device doesn't exist
(macOS has no /dev/full).
91 lines
1.6 KiB
Lua
91 lines
1.6 KiB
Lua
-- testes/lush/commands.lua
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-- Tests for backtick command execution (issues #02, #03).
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print "testing backtick commands"
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-- basic command, result is a table with code/stdout/stderr
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do
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local r = `echo hello`
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assert(type(r) == "table")
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assert(type(r.code) == "number")
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assert(type(r.stdout) == "string")
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assert(type(r.stderr) == "string")
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end
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-- successful command returns exit code 0
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do
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local r = `true`
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assert(r.code == 0)
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end
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-- failed command returns non-zero exit code
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do
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local r = `false`
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assert(r.code == 1)
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end
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-- specific exit codes are preserved
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do
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local r = `sh -c "exit 42"`
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assert(r.code == 42)
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end
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-- command not found returns 127
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do
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local r = `nonexistent_command_xyz_999`
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assert(r.code == 127)
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end
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-- stdout capture
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do
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local r = `echo hello`
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assert(r.stdout == "hello\n")
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end
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-- stderr capture
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do
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local r = `sh -c "echo err >&2"`
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assert(r.stderr == "err\n")
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assert(r.stdout == "")
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end
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-- stdout and stderr are independent
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do
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local r = `sh -c "echo out; echo err >&2"`
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assert(r.stdout == "out\n")
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assert(r.stderr == "err\n")
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end
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-- empty command returns code 0 and empty strings
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do
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local r = ``
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assert(r.code == 0)
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assert(r.stdout == "")
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assert(r.stderr == "")
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end
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-- multi-word output preserved
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do
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local r = `echo hello world`
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assert(r.stdout == "hello world\n")
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end
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-- backtick as statement (result discarded, no error)
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do
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`true`
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end
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-- backtick result used inline
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do
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local code = `true`.code
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assert(code == 0)
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end
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-- multiline output captured
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do
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local r = `printf "a\nb\nc\n"`
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assert(r.stdout == "a\nb\nc\n")
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end
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print "OK"
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