mirror of
https://github.com/bazel-contrib/bazel-lib
synced 2024-11-27 17:43:27 +00:00
99 lines
2.1 KiB
Bash
99 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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# Fail a test with the specified message.
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#
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# Args:
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# err_msg: The message to print to stderr.
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#
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# Outputs:
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# stdout: None.
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# stderr: The error message.
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fail() {
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local err_msg="${1:-}"
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if [[ -z "${err_msg:-}" ]]; then
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err_msg="Unspecified error occurred."
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fi
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echo >&2 "${err_msg}"
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exit 1
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}
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make_err_msg() {
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local err_msg="${1}"
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local prefix="${2:-}"
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if [[ -n "${prefix:-}" ]]; then
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err_msg="${prefix} ${err_msg}"
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fi
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echo "${err_msg}"
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}
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# Asserts that the actual value equals the expected value.
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#
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# Args:
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# expected: The expected value.
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# actual: The actual value.
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# err_msg: Optional. The error message to print if the assertion fails.
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#
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# Outputs:
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# stdout: None.
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# stderr: None.
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assert_equal() {
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local expected="${1}"
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local actual="${2}"
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local err_msg
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err_msg="$(
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make_err_msg \
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"Expected to be equal. expected: ${expected}, actual: ${actual}" "${3:-}"
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)"
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if [[ "${expected}" != "${actual}" ]]; then
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fail "${err_msg}"
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fi
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}
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# Asserts that the actual value contains the specified regex pattern.
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#
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# Args:
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# pattern: The expected pattern.
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# actual: The actual value.
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# err_msg: Optional. The error message to print if the assertion fails.
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#
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# Outputs:
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# stdout: None.
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# stderr: None.
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assert_match() {
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local pattern=${1}
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local actual="${2}"
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local err_msg
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err_msg="$(
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make_err_msg \
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"Expected to match. pattern: ${pattern}, actual: ${actual}" "${3:-}"
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)"
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if [[ ! "${actual}" =~ ${pattern} ]]; then
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fail "${err_msg}"
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fi
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}
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# Asserts that the actual value does not contain the specified regex pattern.
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#
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# Args:
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# pattern: The expected pattern.
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# actual: The actual value.
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# err_msg: Optional. The error message to print if the assertion fails.
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#
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# Outputs:
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# stdout: None.
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# stderr: None.
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assert_no_match() {
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local pattern=${1}
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local actual="${2}"
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local err_msg
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err_msg="$(
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make_err_msg \
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"Expected not to match. pattern: ${pattern}, actual: ${actual}" "${3:-}"
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)"
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if [[ "${actual}" =~ ${pattern} ]]; then
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fail "${err_msg}"
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fi
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# Because this is a negative test, we need to end on a positive note if all is well.
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echo ""
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}
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