#!/bin/sh

run_tests() {
    run test_basic &&
        run test_multiple &&
        run test_semver &&
        run test_bad_semver &&
        run test_git &&
        run test_path
}

#Basic cargo add
test_basic() {
    cargo add foo &&
        assert_added "foo = \"*\""
}

#Add multiple crates
test_multiple() {
    cargo add bar baz &&
        assert_added "bar = \"*\"" &&
        assert_added "baz = \"*\""
}

#Add specific version
test_semver() {
    cargo add quux_sem --version ">=0.5.0" &&
        assert_added "quux_sem = \">=0.5.0\""
}

#Add invalid semver (should fail).
test_bad_semver() {
     ! cargo add quux_sem_bad --version "garglesnout" 2>&1 > /dev/null &&
       ! assert_added "quux_sem_bad" 2>&1 > /dev/null
}

#Add git source
test_git() {
    cargo add quux_git --git "https://localhost/quux_git" &&
        assert_added "\[dependencies.quux_git\]" &&
        assert_added "git = \"https://localhost/quux_git\""
}

#Add local source
test_path() {
    cargo add quux_pat --path "/path/to/quux_pat" &&
        assert_added "\[dependencies.quux_pat\]" &&
        assert_added "path = \"/path/to/quux_pat\""
}

#Executes a test and printes a passed message.
run() {
    echo Running $1 && ($1) && echo Passed. || echo FAILED!!
}


#Check that cargo-add actually worked.
assert_added() {
    test $(grep "$1" $OUTSIDE_ENV/__cargo_add_test/Cargo.toml | wc -l) = 1
}

#Set up testing environment (a new crate)
setup_env() {
    echo "Beginning shell tests..\n" &&
        OUTSIDE_ENV=$(pwd | sed "s/\(^.*cargo-add\/\).*\$/\1/g") &&
        cd $OUTSIDE_ENV &&
        cargo build &&
        PATH=$(echo $OUTSIDE_ENV/target/debug/:$PATH) &&
        cargo new __cargo_add_test &&
        cd __cargo_add_test
}

#Delete testing environment from the system
teardown_env() {
    cd $OUTSIDE_ENV &&
        yes | rm -rf __cargo_add_test
}

main() {
    setup_env && run_tests
    teardown_env && echo "\nFIN."
}

(main)