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For terminal tests that capture output/stderr, the TTY prerequisite warning does not quite work for commands like test_terminal foo >out 2>err because the warning gets "swallowed" up by the redirection that's supposed only to be done by the subcommand. Even worse, the outcome depends on whether stdout was already a terminal (in which case test_terminal is a noop) or not (in which case test_terminal introduces a pseudo-tty in the middle of the pipeline). $ test_terminal.perl sh -c 'test -t 1 && echo >&2 YES' >out YES $ sh -c 'test -t 1 && echo >&2 YES' >out $ So: - use the test_terminal script even when running with "-v". - skip tests that require a terminal when the test_terminal script is unusable because IO::Pty is not installed. - write the "need to declare TTY prerequisite" message to fd 4, where it will be printed when running tests with -v, rather than being swallowed up by an unrelated redireciton. Noticed-by: Tay Ray Chuan <rctay89@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
20 lines
425 B
Bash
20 lines
425 B
Bash
#!/bin/sh
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test_expect_success 'set up terminal for tests' '
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if
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test_have_prereq PERL &&
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"$PERL_PATH" "$TEST_DIRECTORY"/test-terminal.perl \
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sh -c "test -t 1 && test -t 2"
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then
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test_set_prereq TTY &&
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test_terminal () {
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if ! test_declared_prereq TTY
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then
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echo >&4 "test_terminal: need to declare TTY prerequisite"
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return 127
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fi
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"$PERL_PATH" "$TEST_DIRECTORY"/test-terminal.perl "$@"
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}
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fi
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'
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