tui-piechart 0.3.3

#!/usr/bin/env nu
# Shared test runner for Nu script tests.
#
# Usage in a test file:
#   use runner.nu *
#   def main [] { run-tests }

# Run all commands in the current file whose name starts with "test ".
# Prints a summary and exits 1 if any test failed.
export def run-tests [] {
    let green  = (ansi green)
    let red    = (ansi red)
    let bold   = (ansi --escape {attr: b})
    let cyan   = (ansi cyan)
    let reset  = (ansi reset)

    let tests = (
        scope commands
        | where { |it| $it.type == "custom" }
        | where { |it| $it.name | str starts-with "test " }
        | where { |it| not ($it.description | str starts-with "ignore") }
        | get name
        | sort
    )

    let total = ($tests | length)

    if $total == 0 {
        print $"($red)No tests found.(ansi reset)"
        exit 1
    }

    mut passed  = 0
    mut failed  = 0
    mut failures = []

    for test in $tests {
        print -n $"  ($cyan)($test)($reset) ... "
        let res = (do {
            nu --commands $"source '($env.CURRENT_FILE)'; ($test)"
        } | complete)

        if $res.exit_code == 0 {
            print $"($green)ok($reset)"
            $passed = $passed + 1
        } else {
            print $"($red)FAILED($reset)"
            $failed  = $failed + 1
            $failures = ($failures | append { test: $test, output: $res.stderr })
        }
    }

    print ""
    print $"Results: ($green)($passed) passed($reset) · ($red)($failed) failed($reset) · ($total) total"

    if $failed > 0 {
        print ""
        print $"($red)($bold)Failures:($reset)"
        for f in $failures {
            print $"  ($bold)($f.test)($reset)"
            $f.output | lines | each { |l| print $"    ($l)" }
            print ""
        }
        exit 1
    }

    print ""
    print $"($green)✓ All ($total) tests passed!($reset)"
}