//! Integration tests for the `csvshape` command.

use std::fs;

use assert_cmd::Command;
use predicates::prelude::*;
use tempfile::tempdir;

fn cargo_command() -> Command {
    Command::cargo_bin("csvshape").expect("binary")
}

#[test]
fn summarizes_csv_as_json() {
    let temp = tempdir().expect("tempdir");
    let path = temp.path().join("sample.csv");
    fs::write(
        &path,
        "name,age,city\nAda,34,London\nBob,,Paris\nCara,29,Paris\n",
    )
    .expect("fixture");

    cargo_command()
        .arg("--json")
        .arg(&path)
        .assert()
        .success()
        .stdout(predicate::str::contains("\"row_count\":3"))
        .stdout(predicate::str::contains("\"column_count\":3"))
        .stdout(predicate::str::contains("\"name\":\"age\""));
}

#[test]
fn help_includes_csv_examples() {
    cargo_command()
        .arg("--help")
        .assert()
        .success()
        .stdout(predicate::str::contains(
            "csvshape [OPTIONS] diff <BEFORE> <AFTER>",
        ))
        .stdout(predicate::str::contains("--sample-rows"))
        .stdout(predicate::str::contains("ConvertFrom-Json"))
        .stdout(predicate::str::contains("csvshape"));
}