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#!/usr/bin/env bats
load test_helper
#
# Literal matching
#
# Correctness
@test "refute_regex() <value> <pattern>: fails if a <value> substring matches extended regular expression <pattern>" {
run refute_regex 'abc' '^[a-z]b'
assert_test_fail <<'ERR_MSG'
-- value matches regular expression --
value : abc
pattern : ^[a-z]b
match : ab
case : sensitive
--
ERR_MSG
}
@test "refute_regex() <value> <pattern>: succeeds if no <value> substring matches extended regular expression <pattern>" {
run refute_regex 'bcd' '^[a-z]b[c-z]+'
assert_test_pass
}
@test "refute_regex() <value> <pattern>: provides results in BASH_REMATCH on failure" {
unset -v BASH_REMATCH
refute_regex 'abcd' 'b.d' \
|| {
declare -p BASH_REMATCH && \
[ "${BASH_REMATCH[0]}" = 'bcd' ]
}
}
@test "refute_regex() <value> <pattern>: matches case-insensitively when 'nocasematch' is set" {
shopt -s nocasematch
run refute_regex 'aBc' 'ABC'
assert_test_fail <<'ERR_MSG'
-- value matches regular expression --
value : aBc
pattern : ABC
match : aBc
case : insensitive
--
ERR_MSG
}
@test "refute_regex() <value> <pattern>: outputs multi-line <value> nicely when it fails" {
run refute_regex $'abc\n123' '^[a-z]b[c-z]+'
assert_test_fail <<'ERR_MSG'
-- value matches regular expression --
value (2 lines):
abc
123
pattern (1 lines):
^[a-z]b[c-z]+
match (1 lines):
abc
case (1 lines):
sensitive
--
ERR_MSG
shopt -s nocasematch
run refute_regex $'aBc\n123' '^[a-z]b[c-z]+'
assert_test_fail <<'ERR_MSG'
-- value matches regular expression --
value (2 lines):
aBc
123
pattern (1 lines):
^[a-z]b[c-z]+
match (1 lines):
aBc
case (1 lines):
insensitive
--
ERR_MSG
}
# Error handling
@test "refute_regex() <value> <pattern>: returns 1 and displays an error message if <pattern> is not a valid extended regular expression" {
run refute_regex value '[.*'
if (( BASH_VERSINFO[0] > 5 || (BASH_VERSINFO[0] == 5 && BASH_VERSINFO[1] >=3) )); then
[[ "$output" =~ "invalid regular expression "([^$'\n']+) ]]
assert_test_fail <<ERR_MSG
-- ERROR: refute_regex --
invalid regular expression ${BASH_REMATCH[1]}
--
ERR_MSG
else
assert_test_fail <<'ERR_MSG'
-- ERROR: refute_regex --
Invalid extended regular expression: `[.*'
--
ERR_MSG
fi
}
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