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shunit2_asserts_test.sh
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shunit2_asserts_test.sh
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#! /bin/sh
# vim:et:ft=sh:sts=2:sw=2
#
# shunit2 unit test for assert functions.
#
# Copyright 2008-2021 Kate Ward. All Rights Reserved.
# Released under the Apache 2.0 license.
# http://www.apache.org/licenses/LICENSE-2.0
#
# Author: [email protected] (Kate Ward)
# https://github.com/kward/shunit2
#
# In this file, all assert calls under test must be wrapped in () so they do not
# influence the metrics of the test itself.
#
# Disable source following.
# shellcheck disable=SC1090,SC1091
# These variables will be overridden by the test helpers.
stdoutF="${TMPDIR:-/tmp}/STDOUT"
stderrF="${TMPDIR:-/tmp}/STDERR"
# Load test helpers.
. ./shunit2_test_helpers
commonEqualsSame() {
fn=$1
# These should succeed.
desc='equal'
if (${fn} 'x' 'x' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
desc='equal_with_message'
if (${fn} 'some message' 'x' 'x' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
desc='equal_with_spaces'
if (${fn} 'abc def' 'abc def' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
desc='equal_null_values'
if (${fn} '' '' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
# These should fail.
desc='not_equal'
if (${fn} 'x' 'y' >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: expected a failure"
_showTestOutput
else
th_assertFalseWithOutput "${desc}" $? "${stdoutF}" "${stderrF}"
fi
}
commonNotEqualsSame() {
fn=$1
# These should succeed.
desc='not_same'
if (${fn} 'x' 'y' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
desc='not_same_with_message'
if (${fn} 'some message' 'x' 'y' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
# These should fail.
desc='same'
if (${fn} 'x' 'x' >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: expected a failure"
_showTestOutput
else
th_assertFalseWithOutput "${desc}" $? "${stdoutF}" "${stderrF}"
fi
desc='unequal_null_values'
if (${fn} '' '' >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: expected a failure"
_showTestOutput
else
th_assertFalseWithOutput "${desc}" $? "${stdoutF}" "${stderrF}"
fi
}
testAssertEquals() { commonEqualsSame 'assertEquals'; }
testAssertNotEquals() { commonNotEqualsSame 'assertNotEquals'; }
testAssertSame() { commonEqualsSame 'assertSame'; }
testAssertNotSame() { commonNotEqualsSame 'assertNotSame'; }
testAssertContains() {
# Content is present.
while read -r desc container content; do
if (assertContains "${container}" "${content}" >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
done <<EOF
abc_at_start abcdef abc
bcd_in_middle abcdef bcd
def_at_end abcdef def
EOF
# Content missing.
while read -r desc container content; do
if (assertContains "${container}" "${content}" >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: unexpected failure"
_showTestOutput
else
th_assertFalseWithOutput "${desc}" $? "${stdoutF}" "${stderrF}"
fi
done <<EOF
xyz_not_present abcdef xyz
zab_contains_start abcdef zab
efg_contains_end abcdef efg
acf_has_parts abcdef acf
EOF
desc="content_starts_with_dash"
if (assertContains 'abc -Xabc def' '-Xabc' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
desc="contains_with_message"
if (assertContains 'some message' 'abcdef' 'abc' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
}
testAssertNotContains() {
# Content not present.
while read -r desc container content; do
if (assertNotContains "${container}" "${content}" >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
done <<EOF
xyz_not_present abcdef xyz
zab_contains_start abcdef zab
efg_contains_end abcdef efg
acf_has_parts abcdef acf
EOF
# Content present.
while read -r desc container content; do
if (assertNotContains "${container}" "${content}" >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: expected a failure"
_showTestOutput
else
th_assertFalseWithOutput "${desc}" $? "${stdoutF}" "${stderrF}"
fi
done <<EOF
abc_is_present abcdef abc
EOF
desc='not_contains_with_message'
if (assertNotContains 'some message' 'abcdef' 'xyz' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
}
testAssertNull() {
while read -r desc value; do
if (assertNull "${value}" >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: unexpected failure"
_showTestOutput
else
th_assertFalseWithOutput "${desc}" $? "${stdoutF}" "${stderrF}"
fi
done <<'EOF'
x_alone x
x_double_quote_a x"a
x_single_quote_a x'a
x_dollar_a x$a
x_backtick_a x`a
EOF
desc='null_without_message'
if (assertNull '' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
desc='null_with_message'
if (assertNull 'some message' '' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
desc='x_is_not_null'
if (assertNull 'x' >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: expected a failure"
_showTestOutput
else
th_assertFalseWithOutput "${desc}" $? "${stdoutF}" "${stderrF}"
fi
}
testAssertNotNull() {
while read -r desc value; do
if (assertNotNull "${value}" >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
done <<'EOF'
x_alone x
x_double_quote_b x"b
x_single_quote_b x'b
x_dollar_b x$b
x_backtick_b x`b
EOF
desc='not_null_with_message'
if (assertNotNull 'some message' 'x' >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
desc="double_ticks_are_null"
if (assertNotNull '' >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: expected a failure"
_showTestOutput
else
th_assertFalseWithOutput "${desc}" $? "${stdoutF}" "${stderrF}"
fi
}
testAssertTrue() {
# True values.
while read -r desc value; do
if (assertTrue "${value}" >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
done <<'EOF'
zero 0
zero_eq_zero [ 0 -eq 0 ]
EOF
# Not true values.
while read -r desc value; do
if (assertTrue "${value}" >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: expected a failure"
_showTestOutput
else
th_assertFalseWithOutput "${desc}" $? "${stdoutF}" "${stderrF}"
fi
done <<EOF
one 1
zero_eq_1 [ 0 -eq 1 ]
null
EOF
desc='true_with_message'
if (assertTrue 'some message' 0 >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
}
testAssertFalse() {
# False values.
while read -r desc value; do
if (assertFalse "${value}" >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
done <<EOF
one 1
zero_eq_1 [ 0 -eq 1 ]
null
EOF
# Not true values.
while read -r desc value; do
if (assertFalse "${value}" >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: expected a failure"
_showTestOutput
else
th_assertFalseWithOutput "${desc}" $? "${stdoutF}" "${stderrF}"
fi
done <<'EOF'
zero 0
zero_eq_zero [ 0 -eq 0 ]
EOF
desc='false_with_message'
if (assertFalse 'some message' 1 >"${stdoutF}" 2>"${stderrF}"); then
th_assertTrueWithNoOutput "${desc}" $? "${stdoutF}" "${stderrF}"
else
fail "${desc}: unexpected failure"
_showTestOutput
fi
}
FUNCTIONS='
assertEquals assertNotEquals
assertSame assertNotSame
assertContains assertNotContains
assertNull assertNotNull
assertTrue assertFalse
'
testTooFewArguments() {
for fn in ${FUNCTIONS}; do
# These functions support zero arguments.
case "${fn}" in
assertNull) continue ;;
assertNotNull) continue ;;
esac
desc="${fn}"
if (${fn} >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: expected a failure"
_showTestOutput
else
got=$? want=${SHUNIT_ERROR}
assertEquals "${desc}: incorrect return code" "${got}" "${want}"
th_assertFalseWithError "${desc}" "${got}" "${stdoutF}" "${stderrF}"
fi
done
}
testTooManyArguments() {
for fn in ${FUNCTIONS}; do
desc="${fn}"
if (${fn} arg1 arg2 arg3 arg4 >"${stdoutF}" 2>"${stderrF}"); then
fail "${desc}: expected a failure"
_showTestOutput
else
got=$? want=${SHUNIT_ERROR}
assertEquals "${desc}: incorrect return code" "${got}" "${want}"
th_assertFalseWithError "${desc}" "${got}" "${stdoutF}" "${stderrF}"
fi
done
}
oneTimeSetUp() {
th_oneTimeSetUp
}
# showTestOutput for the most recently run test.
_showTestOutput() { th_showOutput "${SHUNIT_FALSE}" "${stdoutF}" "${stderrF}"; }
# Load and run shunit2.
# shellcheck disable=SC2034
[ -n "${ZSH_VERSION:-}" ] && SHUNIT_PARENT=$0
. "${TH_SHUNIT}"