run_coverage.ab

#!/usr/bin/env amber

import { env_var_set, env_var_get } from "std/env"
import { starts_with } from "std/text"

fun open_html_report() {
    let os = trust env_var_get("OSTYPE")

    let open_html_command = "start" // windows command

    if {
        starts_with(os, "linux"): open_html_command = "xdg-open"
        starts_with(os, "darwin"): open_html_command = "open"
    }

    let cov_file_path = "coverage_output/tarpaulin-report.html"

    echo "Coverage results can be seen at {cov_file_path}"

    trust $ {open_html_command} {cov_file_path} $
}

main(specified_output_formats) {
    // Ensure necessary components are installed
    silent $ cargo tarpaulin -V $ failed {
        $ cargo install cargo-tarpaulin $?
    }

    trust env_var_set("CARGO_TARPAULIN_CONFIG_FILE", "./Tarpaulin.toml")

    let output_format = "Html"

    // First arg is "bash"
    if len(specified_output_formats) > 1 {
        output_format = specified_output_formats[1]
    }

    // Running code coverage analysis
    trust $ cargo tarpaulin -o {output_format} $

    let coverage_result_status = status

    if output_format == "Html" {
        open_html_report()
    }

    exit coverage_result_status
}