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Move unit test runner to standard library (#8850)
Move test runner to standard library. Originated from #8819 # After Submitting I'll update the documentation about testing: http://www.nushell.sh/book/testing.html --------- Co-authored-by: Mate Farkas <Mate.Farkas@oneidentity.com>
This commit is contained in:
Máté FARKAS
GitHub
@ -1,174 +0,0 @@
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use std *
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# show a test record in a pretty way
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#
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# `$in` must be a `record<file: string, module: string, name: string, pass: bool>`.
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#
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# the output would be like
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# - "<indentation> x <module> <test>" all in red if failed
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# - "<indentation> s <module> <test>" all in yellow if skipped
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# - "<indentation> <module> <test>" all in green if passed
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def show-pretty-test [indent: int = 4] {
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let test = $in
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[
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(" " * $indent)
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(match $test.result {
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"pass" => { ansi green },
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"skip" => { ansi yellow },
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_ => { ansi red }
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})
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(match $test.result {
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"pass" => " ",
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"skip" => "s",
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_ => { char failed }
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})
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" "
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$"($test.module) ($test.name)"
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(ansi reset)
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] | str join
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}
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def throw-error [error: record] {
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error make {
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msg: $"(ansi red)($error.msg)(ansi reset)"
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label: {
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text: ($error.label)
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start: $error.span.start
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end: $error.span.end
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}
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}
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}
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# Test executor
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#
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# It executes exported "test_*" commands in "test_*" modules
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def main [
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--path: path, # Path to look for tests. Default: directory of this file.
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--module: string, # Module to run tests. Default: all test modules found.
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--command: string, # Test command to run. Default: all test command found in the files.
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--list, # list the selected tests without running them.
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] {
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let module_search_pattern = ('**' | path join ({
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stem: ($module | default "test_*")
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extension: nu
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} | path join))
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if not ($path | is-empty) {
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if not ($path | path exists) {
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throw-error {
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msg: "directory_not_found"
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label: "no such directory"
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span: (metadata $path | get span)
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}
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}
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}
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let path = ($path | default $env.FILE_PWD)
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if not ($module | is-empty) {
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try { ls ($path | path join $module_search_pattern) | null } catch {
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throw-error {
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msg: "module_not_found"
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label: $"no such module in ($path)"
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span: (metadata $module | get span)
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}
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}
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}
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let tests = (
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ls ($path | path join $module_search_pattern)
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| each {|row| {file: $row.name name: ($row.name | path parse | get stem)}}
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| upsert commands {|module|
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nu -c $'use `($module.file)` *; $nu.scope.commands | select name module_name | to nuon'
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| from nuon
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| where module_name == $module.name
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| get name
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}
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| upsert test {|module| $module.commands | where ($it | str starts-with "test_") }
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| upsert setup {|module| "setup" in $module.commands }
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| upsert teardown {|module| "teardown" in $module.commands }
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| reject commands
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| flatten
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| rename file module name
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)
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let tests_to_run = (if not ($command | is-empty) {
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$tests | where name == $command
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} else if not ($module | is-empty) {
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$tests | where module == $module
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} else {
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$tests
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})
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if $list {
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return ($tests_to_run | select module name file)
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}
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if ($tests_to_run | is-empty) {
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error make --unspanned {msg: "no test to run"}
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}
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let tests = (
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$tests_to_run
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| group-by module
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| transpose name tests
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| each {|module|
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log info $"Running tests in ($module.name)"
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$module.tests | each {|test|
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log debug $"Running test ($test.name)"
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let context_setup = if $test.setup {
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$"use `($test.file)` setup; let context = \(setup\)"
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} else {
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"let context = {}"
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}
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let context_teardown = if $test.teardown {
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$"use `($test.file)` teardown; $context | teardown"
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} else {
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""
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}
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let nu_script = $'
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($context_setup)
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use `($test.file)` ($test.name)
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try {
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$context | ($test.name)
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($context_teardown)
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} catch { |err|
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($context_teardown)
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if $err.msg == "ASSERT:SKIP" {
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exit 2
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} else {
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$err | get raw
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}
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}
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'
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nu -c $nu_script
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let result = match $env.LAST_EXIT_CODE {
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0 => "pass",
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2 => "skip",
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_ => "fail",
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}
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if $result == "skip" {
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log warning $"Test case ($test.name) is skipped"
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}
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$test | merge ({result: $result})
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}
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}
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| flatten
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)
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if not ($tests | where result == "fail" | is-empty) {
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let text = ([
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$"(ansi purple)some tests did not pass (char lparen)see complete errors above(char rparen):(ansi reset)"
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""
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($tests | each {|test| ($test | show-pretty-test 4)} | str join "\n")
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""
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] | str join "\n")
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error make --unspanned { msg: $text }
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}
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}
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@ -1,9 +1,8 @@
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use std *
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def run [system_level, message_level] {
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cd $env.FILE_PWD
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do {
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nu -c $'use std; NU_LOG_LEVEL=($system_level) std log ($message_level) "test message"'
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^$nu.current-exe -c $'use std; NU_LOG_LEVEL=($system_level) std log ($message_level) "test message"'
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} | complete | get -i stderr
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}
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def "assert no message" [system_level, message_level] {
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