evobackup/test/test_helper.bash

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flunk() {
{ if [ "$#" -eq 0 ]; then cat -
else echo "$@"
fi
} >&2
return 1
}
assert_success() {
if [ "$status" -ne 0 ]; then
flunk "command failed with exit status $status"
elif [ "$#" -gt 0 ]; then
assert_output "$1"
fi
}
assert_failure() {
if [ "$status" -eq 0 ]; then
flunk "expected failed exit status"
elif [ "$#" -gt 0 ]; then
assert_output "$1"
fi
}
assert_equal() {
if [ "$1" != "$2" ]; then
{ echo "expected: $1"
echo "actual: $2"
} | flunk
fi
}
refute_equal() {
if [ "$1" = "$2" ]; then
echo "expected $1 to not be equal to $2" | flunk
fi
}
assert_output() {
local expected
if [ $# -eq 0 ]; then expected="$(cat -)"
else expected="$1"
fi
assert_equal "$expected" "$output"
}
assert_line() {
if [ "$1" -ge 0 ] 2>/dev/null; then
assert_equal "$2" "${lines[$1]}"
else
local line
for line in "${lines[@]}"; do
if [ "$line" = "$1" ]; then return 0; fi
done
flunk "expected line \`$1'"
fi
}
refute_line() {
if [ "$1" -ge 0 ] 2>/dev/null; then
local num_lines="${#lines[@]}"
if [ "$1" -lt "$num_lines" ]; then
flunk "output has $num_lines lines"
fi
else
local line
for line in "${lines[@]}"; do
if [ "$line" = "$1" ]; then
flunk "expected to not find line \`$line'"
fi
done
fi
}
assert() {
if ! "$@"; then
flunk "failed: $@"
fi
}