Ortham / libloadorder / 3766114731

    fn count_active_normal_plugins(&self) -> usize {

        self.plugins()

            .iter()

            .filter(|p| !p.is_light_plugin() && p.is_active())

            .count()

    }

    fn count_active_light_plugins(&self) -> usize {

        self.plugins()

            .iter()

            .filter(|p| p.is_light_plugin() && p.is_active())

            .count()

    }

    fn find_plugins_in_dir(&self) -> Vec<String> {

        let entries = match read_dir(&self.game_settings().plugins_directory()) {

            Ok(x) => x,

            _ => return Vec::new(),

        let mut set: HashSet<String> = HashSet::new();

        entries

            .filter_map(|e| e.ok())

            .filter(|e| e.file_type().map(|f| f.is_file()).unwrap_or(false))

            .filter_map(|e| e.file_name().to_str().map(|f| f.to_owned()))

            .filter(|filename| set.insert(trim_dot_ghost(filename).to_lowercase()))

            .collect()

    }

    fn find_plugins_in_dir_sorted(&self) -> Vec<String> {

        let mut filenames = self.find_plugins_in_dir();

        filenames.sort();

        filenames

    }

    fn validate_index(&self, plugin: &Plugin, index: usize) -> Result<(), Error> {

        if plugin.is_master_file() {

            validate_master_file_index(self.plugins(), plugin, index)

            validate_non_master_file_index(self.plugins(), plugin, index)

    }

    fn lookup_plugins(&mut self, active_plugin_names: &[&str]) -> Result<Vec<usize>, Error> {

        active_plugin_names

            .par_iter()

            .map(|n| {

                self.plugins()

                    .par_iter()

                    .position_any(|p| p.name_matches(n))

                    .ok_or_else(|| Error::PluginNotFound(n.to_string()))

            })

            .collect()

    }

    fn count_normal_plugins(&mut self, existing_plugin_indices: &[usize]) -> usize {

        count_plugins(self.plugins(), existing_plugin_indices, false)

    }

    fn count_light_plugins(&mut self, existing_plugin_indices: &[usize]) -> usize {

        if self.game_settings().id().supports_light_plugins() {

            count_plugins(self.plugins(), existing_plugin_indices, true)

            0

    }

    fn deactivate_excess_plugins(&mut self) {

        for index in get_excess_active_plugin_indices(self) {

            self.plugins_mut()[index].deactivate();

        }

    }

        if let Some(x) = self.index_of(plugin_name) {

            if x == position {

            }

        }

        let plugin = get_plugin_to_insert_at(self, plugin_name, position)?;

        if position >= self.plugins().len() {

            self.plugins_mut().push(plugin);

            Ok(self.plugins().len() - 1)

            self.plugins_mut().insert(position, plugin);

            Ok(position)

    }

    fn deactivate_all(&mut self) {

        for plugin in self.plugins_mut() {

            plugin.deactivate();

        }

    }

    fn replace_plugins(&mut self, plugin_names: &[&str]) -> Result<(), Error> {

        if !are_plugin_names_unique(plugin_names) {

            return Err(Error::DuplicatePlugin);

        }

        let mut plugins = match map_to_plugins(self, plugin_names) {

            Err(x) => return Err(Error::InvalidPlugin(x.to_string())),

            Ok(x) => x,

        };

        validate_load_order(&plugins)?;

        mem::swap(&mut plugins, self.plugins_mut());

        Ok(())

    }

    fn load_unique_plugins(

        &mut self,

        plugin_name_tuples: Vec<(String, bool)>,

        installed_filenames: Vec<String>,

    ) {

        let plugins: Vec<_> = remove_duplicates_icase(plugin_name_tuples, installed_filenames)

            .into_par_iter()

            .filter_map(|(filename, active)| {

                Plugin::with_active(&filename, self.game_settings(), active).ok()

            })

            .collect();

        for plugin in plugins {

            insert(self, plugin);

        }

    }

    fn add_implicitly_active_plugins(&mut self) -> Result<(), Error> {

        let plugin_names = self.game_settings().implicitly_active_plugins().to_vec();

        for plugin_name in plugin_names {

            activate_unvalidated(self, &plugin_name)?;

        Ok(())

    }

pub fn load_active_plugins<T, F>(load_order: &mut T, line_mapper: F) -> Result<(), Error>

where

    T: MutableLoadOrder,

    F: Fn(&str) -> Option<String> + Send + Sync,

{

    load_order.deactivate_all();

    let plugin_names = read_plugin_names(

        load_order.game_settings().active_plugins_file(),

        line_mapper,

    )?;

    let plugin_indices: Vec<_> = plugin_names

        .par_iter()

        .filter_map(|p| load_order.index_of(p))

        .collect();

    for index in plugin_indices {

        load_order.plugins_mut()[index].activate()?;

    Ok(())

}

pub fn read_plugin_names<F, T>(file_path: &Path, line_mapper: F) -> Result<Vec<T>, Error>

where

    F: FnMut(&str) -> Option<T> + Send + Sync,

    T: Send,

{

    if !file_path.exists() {

        return Ok(Vec::new());

    }

    let content = std::fs::read(file_path)?;

    let decoded_content = WINDOWS_1252

        .decode_without_bom_handling_and_without_replacement(&content)

        .ok_or_else(|| Error::DecodeError("invalid sequence".into()))?;

    Ok(decoded_content.lines().filter_map(line_mapper).collect())

}

pub fn plugin_line_mapper(line: &str) -> Option<String> {

    if line.is_empty() || line.starts_with('#') {

        None

        Some(line.to_owned())

}

pub fn hoist_masters(plugins: &mut Vec<Plugin>) -> Result<(), Error> {

    // Store plugins' current positions and where they need to move to.

    // Use a BTreeMap so that if a plugin needs to move for more than one ESM,

    // it will move for the earlier one and so also satisfy the later one, and

    // so that it's possible to iterate over content in order.

    let mut from_to_map: BTreeMap<usize, usize> = BTreeMap::new();

    for (index, plugin) in plugins.iter().enumerate() {

        if !plugin.is_master_file() {

            break;

        }

        for master in plugin.masters()? {

            let pos = plugins

                .iter()

                .position(|p| p.name_matches(&master))

                .unwrap_or(0);

            if pos > index && !plugins[pos].is_master_file() {

                // Need to move the plugin to index, but can't do that while

                // iterating, so store it for later.

                from_to_map.insert(pos, index);

            }

    move_elements(plugins, from_to_map);

    Ok(())

}

pub fn generic_insert_position(plugins: &[Plugin], plugin: &Plugin) -> Option<usize> {

    if plugin.is_master_file() {

        find_first_non_master_position(plugins)

        plugins.iter().filter(|p| p.is_master_file()).position(|p| {

            p.masters()

                .map(|masters| masters.iter().any(|m| plugin.name_matches(m)))

                .unwrap_or(false)

        })

}

fn to_plugin(

    plugin_name: &str,

    existing_plugins: &[Plugin],

    game_settings: &GameSettings,

) -> Result<Plugin, Error> {

    let existing_plugin = existing_plugins

        .par_iter()

        .find_any(|p| p.name_matches(plugin_name));

    match existing_plugin {

        None => Plugin::new(plugin_name, game_settings),

        Some(x) => Ok(x.clone()),

}

fn count_plugins(

    existing_plugins: &[Plugin],

    existing_plugin_indices: &[usize],

    count_light_plugins: bool,

) -> usize {

    existing_plugin_indices

        .iter()

        .filter(|i| existing_plugins[**i].is_light_plugin() == count_light_plugins)

        .count()

}

fn get_excess_active_plugin_indices<T: MutableLoadOrder + ?Sized>(load_order: &T) -> Vec<usize> {

    let implicitly_active_plugins = load_order.game_settings().implicitly_active_plugins();

    let mut normal_active_count = load_order.count_active_normal_plugins();

    let mut light_plugin_active_count = load_order.count_active_light_plugins();

    let mut plugin_indices: Vec<usize> = Vec::new();

    for (index, plugin) in load_order.plugins().iter().enumerate().rev() {

        if normal_active_count <= MAX_ACTIVE_NORMAL_PLUGINS

            && light_plugin_active_count <= MAX_ACTIVE_LIGHT_PLUGINS

            break;

        }

        let can_deactivate = plugin.is_active()

            && !implicitly_active_plugins

                .iter()

                .any(|i| plugin.name_matches(i));

        if can_deactivate {

            if plugin.is_light_plugin() && light_plugin_active_count > MAX_ACTIVE_LIGHT_PLUGINS {

                plugin_indices.push(index);

                light_plugin_active_count -= 1;

            } else if !plugin.is_light_plugin() && normal_active_count > MAX_ACTIVE_NORMAL_PLUGINS {

                plugin_indices.push(index);

                normal_active_count -= 1;

            }

        }

    plugin_indices

}

fn validate_master_file_index(

    plugins: &[Plugin],

    plugin: &Plugin,

    index: usize,

) -> Result<(), Error> {

    let preceding_plugins = if index < plugins.len() {

        &plugins[..index]

        plugins

    let previous_master_pos = preceding_plugins

        .iter()

        .rposition(|p| p.is_master_file())

        .unwrap_or(0);

    let master_names: HashSet<String> =

        plugin.masters()?.iter().map(|m| m.to_lowercase()).collect();

    // Check that all of the plugins that load between this index and

    // the previous plugin are masters of this plugin.

    if preceding_plugins

        .iter()

        .skip(previous_master_pos + 1)

        .any(|p| !master_names.contains(&p.name().to_lowercase()))

        return Err(Error::NonMasterBeforeMaster);

    }

    if let Some(p) = plugins

        .iter()

        .skip(index)

        .filter(|p| !p.is_master_file())

        .find(|p| master_names.contains(&p.name().to_lowercase()))

        Err(Error::UnrepresentedHoist(

            p.name().to_string(),

            plugin.name().to_string(),

        ))

        Ok(())

}

fn validate_non_master_file_index(

    plugins: &[Plugin],

    plugin: &Plugin,

    index: usize,

) -> Result<(), Error> {

    for master_file in plugins.iter().take(index).filter(|p| p.is_master_file()) {

        if master_file

            .masters()?

            .iter()

            .any(|m| plugin.name_matches(m))

            return Err(Error::UnrepresentedHoist(

                plugin.name().to_string(),

                master_file.name().to_string(),

            ));

        }

    let next_master_pos = match plugins.iter().skip(index).position(|p| p.is_master_file()) {

        None => return Ok(()),

        Some(i) => index + i,

    };

    if plugins[next_master_pos]

        .masters()?

        .iter()

        .any(|m| plugin.name_matches(m))

        Ok(())

        Err(Error::NonMasterBeforeMaster)

}

fn map_to_plugins<T: ReadableLoadOrderBase + Sync + ?Sized>(

    load_order: &T,

    plugin_names: &[&str],

) -> Result<Vec<Plugin>, Error> {

    plugin_names

        .par_iter()

        .map(|n| to_plugin(n, load_order.plugins(), load_order.game_settings_base()))

        .collect()

}

fn insert<T: MutableLoadOrder + ?Sized>(load_order: &mut T, plugin: Plugin) -> usize {

    match load_order.insert_position(&plugin) {

        Some(position) => {

            load_order.plugins_mut().insert(position, plugin);

            position

            load_order.plugins_mut().push(plugin);

            load_order.plugins().len() - 1

}

fn move_elements<T>(vec: &mut Vec<T>, mut from_to_indices: BTreeMap<usize, usize>) {

    while !from_to_indices.is_empty() {

        let from_index = *from_to_indices

            .iter()

            .next()

            .expect("map should not be empty")

            .0;

        let to_index = from_to_indices

            .remove(&from_index)

            .expect("map key should exist");

        let element = vec.remove(from_index);

        vec.insert(to_index, element);

        for value in from_to_indices.values_mut() {

            if *value > to_index {

                *value += 1;

            }

}

    if let Some(p) = load_order.index_of(plugin_name) {

        let plugin = &load_order.plugins()[p];

        load_order.validate_index(plugin, insert_position)?;

        Ok(load_order.plugins_mut().remove(p))

        let plugin = Plugin::new(plugin_name, load_order.game_settings())

            .map_err(|_| Error::InvalidPlugin(plugin_name.to_string()))?;

        load_order.validate_index(&plugin, insert_position)?;

        Ok(plugin)

}

fn are_plugin_names_unique(plugin_names: &[&str]) -> bool {

    let unique_plugin_names: HashSet<String> =

        plugin_names.par_iter().map(|s| s.to_lowercase()).collect();

    unique_plugin_names.len() == plugin_names.len()

}

fn validate_load_order(plugins: &[Plugin]) -> Result<(), Error> {

    let first_non_master_pos = match find_first_non_master_position(plugins) {

        None => return Ok(()),

        Some(x) => x,

    let last_master_pos = match plugins.iter().rposition(|p| p.is_master_file()) {

        None => return Ok(()),

        Some(x) => x,

    };

    let mut plugin_names: HashSet<String> = HashSet::new();

    // Add each plugin that isn't a master file to the hashset.

    // When a master file is encountered, remove its masters from the hashset.

    // If there are any plugins left in the hashset, they weren't hoisted there,

    // so fail the check.

    if first_non_master_pos < last_master_pos {

        for plugin in plugins

            .iter()

            .skip(first_non_master_pos)

            .take(last_master_pos - first_non_master_pos + 1)

            if !plugin.is_master_file() {

                plugin_names.insert(plugin.name().to_lowercase());

            } else {

                for master in plugin.masters()? {

                    plugin_names.remove(&master.to_lowercase());

                }

                if !plugin_names.is_empty() {

                    return Err(Error::NonMasterBeforeMaster);

                }

    }

    plugin_names.clear();

    for plugin in plugins.iter().rev() {

        if !plugin.is_master_file() {

            plugin_names.insert(plugin.name().to_lowercase());

        } else if let Some(m) = plugin

            .masters()?

            .iter()

            .find(|m| plugin_names.contains(&m.to_lowercase()))

            return Err(Error::UnrepresentedHoist(

                m.clone(),

                plugin.name().to_string(),

            ));

        }

    Ok(())

}

fn remove_duplicates_icase(

    plugin_tuples: Vec<(String, bool)>,

    filenames: Vec<String>,

) -> Vec<(String, bool)> {

    let mut set: HashSet<String> = HashSet::with_capacity(filenames.len());

    let mut unique_tuples: Vec<(String, bool)> = plugin_tuples

        .into_iter()

        .rev()

        .filter(|&(ref string, _)| set.insert(trim_dot_ghost(string).to_lowercase()))

        .collect();

    unique_tuples.reverse();

    let unique_file_tuples_iter = filenames

        .into_iter()

        .filter(|string| set.insert(trim_dot_ghost(string).to_lowercase()))

        .map(|f| (f, false));

    unique_tuples.extend(unique_file_tuples_iter);

    unique_tuples

}

    if let Some(x) = load_order.index_of(filename) {

        load_order.plugins_mut()[x].activate()

        Plugin::with_active(filename, load_order.game_settings(), true)

            .and_then(|plugin| {

            })

            .or(Ok(()))

}

fn find_first_non_master_position(plugins: &[Plugin]) -> Option<usize> {

    plugins.iter().position(|p| !p.is_master_file())

}

        fn game_settings_base(&self) -> &GameSettings {

            &self.game_settings

        }

        fn plugins(&self) -> &Vec<Plugin> {

            &self.plugins

        }

    fn prepare(game_path: &Path) -> GameSettings {

        let settings = game_settings_for_test(GameId::SkyrimSE, game_path);

        copy_to_test_dir("Blank.esm", settings.master_file(), &settings);

        copy_to_test_dir("Blank.esm", "Blank.esm", &settings);

        copy_to_test_dir("Blank.esp", "Blank.esp", &settings);

        copy_to_test_dir("Blank - Different.esp", "Blank - Different.esp", &settings);

        copy_to_test_dir(

            "Blank - Plugin Dependent.esp",

            "Blank - Plugin Dependent.esm",

            &settings,

        );

        settings

    }

    fn prepare_load_order(game_dir: &Path) -> TestLoadOrder {

        let (game_settings, plugins) = mock_game_files(GameId::Oblivion, game_dir);

        TestLoadOrder {

            game_settings,

            plugins,

        }

    }

    fn prepare_hoisted_load_order(game_path: &Path) -> TestLoadOrder {

        let load_order = prepare_load_order(game_path);

        let plugins_dir = &load_order.game_settings().plugins_directory();

        copy_to_test_dir(

            "Blank - Different.esm",

            "Blank - Different.esm",

            load_order.game_settings(),

        );

        set_master_flag(&plugins_dir.join("Blank - Different.esm"), false).unwrap();

        copy_to_test_dir(

            "Blank - Different Master Dependent.esm",

            "Blank - Different Master Dependent.esm",

            load_order.game_settings(),

        );

        load_order

    }

    fn prepare_plugins(game_path: &Path, blank_esp_source: &str) -> Vec<Plugin> {

        let settings = game_settings_for_test(GameId::SkyrimSE, game_path);

        copy_to_test_dir("Blank.esm", settings.master_file(), &settings);

        copy_to_test_dir(blank_esp_source, "Blank.esp", &settings);

        vec![

            Plugin::new(settings.master_file(), &settings).unwrap(),

            Plugin::new("Blank.esp", &settings).unwrap(),

        ]

    }

    #[test]

    fn validate_index_should_succeed_for_a_master_plugin_and_index_directly_after_a_master() {

        let tmp_dir = tempdir().unwrap();

        let load_order = prepare_load_order(&tmp_dir.path());

        let plugin = Plugin::new("Blank.esm", load_order.game_settings()).unwrap();

        assert!(load_order.validate_index(&plugin, 1).is_ok());

    }

    #[test]

    fn validate_index_should_succeed_for_a_master_plugin_and_index_after_a_hoisted_non_master() {

        let tmp_dir = tempdir().unwrap();

        let mut load_order = prepare_hoisted_load_order(&tmp_dir.path());

        let plugin = Plugin::new("Blank - Different.esm", load_order.game_settings()).unwrap();

        load_order.plugins.insert(1, plugin);

        let plugin = Plugin::new(

            "Blank - Different Master Dependent.esm",

            load_order.game_settings(),

        )

        .unwrap();

        assert!(load_order.validate_index(&plugin, 2).is_ok());

    }

    #[test]

    fn validate_index_should_error_for_a_master_plugin_and_index_after_unrelated_non_masters() {

        let tmp_dir = tempdir().unwrap();

        let mut load_order = prepare_hoisted_load_order(&tmp_dir.path());

        let plugin = Plugin::new("Blank - Different.esm", load_order.game_settings()).unwrap();

        load_order.plugins.insert(1, plugin);

        let plugin = Plugin::new("Blank.esm", load_order.game_settings()).unwrap();

        assert!(load_order.validate_index(&plugin, 4).is_err());

    }

    #[test]

    fn validate_index_should_error_for_a_master_plugin_that_has_a_later_non_master_as_a_master() {

        let tmp_dir = tempdir().unwrap();

        let mut load_order = prepare_hoisted_load_order(&tmp_dir.path());

        let plugin = Plugin::new("Blank - Different.esm", load_order.game_settings()).unwrap();

        load_order.plugins.insert(2, plugin);

        let plugin = Plugin::new(

            "Blank - Different Master Dependent.esm",

            load_order.game_settings(),

        )

        .unwrap();

        assert!(load_order.validate_index(&plugin, 1).is_err());

    }

    #[test]

    fn validate_index_should_succeed_for_a_non_master_plugin_and_an_index_with_no_later_masters() {

        let tmp_dir = tempdir().unwrap();

        let load_order = prepare_load_order(&tmp_dir.path());

        let plugin =

            Plugin::new("Blank - Master Dependent.esp", load_order.game_settings()).unwrap();

        assert!(load_order.validate_index(&plugin, 2).is_ok());

    }

    #[test]

    fn validate_index_should_succeed_for_a_non_master_plugin_that_is_a_master_of_the_next_master_file(

    ) {

        let tmp_dir = tempdir().unwrap();

        let mut load_order = prepare_hoisted_load_order(&tmp_dir.path());

        let plugin = Plugin::new(

            "Blank - Different Master Dependent.esm",

            load_order.game_settings(),

        )

        .unwrap();

        load_order.plugins.insert(1, plugin);

        let plugin = Plugin::new("Blank - Different.esm", load_order.game_settings()).unwrap();

        assert!(load_order.validate_index(&plugin, 1).is_ok());

    }

    #[test]

    fn validate_index_should_error_for_a_non_master_plugin_that_is_not_a_master_of_the_next_master_file(

    ) {

        let tmp_dir = tempdir().unwrap();

        let load_order = prepare_load_order(&tmp_dir.path());

        let plugin =

            Plugin::new("Blank - Master Dependent.esp", load_order.game_settings()).unwrap();

        assert!(load_order.validate_index(&plugin, 0).is_err());

    }

    #[test]

    fn validate_index_should_error_for_a_non_master_plugin_and_an_index_not_before_a_master_that_depends_on_it(

    ) {

        let tmp_dir = tempdir().unwrap();

        let mut load_order = prepare_hoisted_load_order(&tmp_dir.path());

        let plugin = Plugin::new(

            "Blank - Different Master Dependent.esm",

            load_order.game_settings(),

        )

        .unwrap();

        load_order.plugins.insert(1, plugin);

        let plugin = Plugin::new("Blank - Different.esm", load_order.game_settings()).unwrap();

        assert!(load_order.validate_index(&plugin, 2).is_err());

    }

    #[test]

    fn move_elements_should_correct_later_indices_to_account_for_earlier_moves() {

        let mut vec = vec![0, 1, 2, 3, 4, 5, 6, 7, 8];

        let mut from_to_indices = BTreeMap::new();

        from_to_indices.insert(6, 3);

        from_to_indices.insert(5, 2);

        from_to_indices.insert(7, 1);

        move_elements(&mut vec, from_to_indices);

        assert_eq!(vec![0, 7, 1, 5, 2, 6, 3, 4, 8], vec);

    }

    #[test]

    fn validate_load_order_should_be_ok_if_there_are_only_master_files() {

        let tmp_dir = tempdir().unwrap();

        let settings = prepare(&tmp_dir.path());

        let plugins = vec![

            Plugin::new(settings.master_file(), &settings).unwrap(),

            Plugin::new("Blank.esm", &settings).unwrap(),

        ];

        assert!(validate_load_order(&plugins).is_ok());

    }

    #[test]

    fn validate_load_order_should_be_ok_if_there_are_no_master_files() {

        let tmp_dir = tempdir().unwrap();

        let settings = prepare(&tmp_dir.path());

        let plugins = vec![

            Plugin::new("Blank.esp", &settings).unwrap(),

            Plugin::new("Blank - Different.esp", &settings).unwrap(),

        ];

        assert!(validate_load_order(&plugins).is_ok());

    }

    #[test]

    fn validate_load_order_should_be_ok_if_master_files_are_before_all_others() {

        let tmp_dir = tempdir().unwrap();

        let settings = prepare(&tmp_dir.path());

        let plugins = vec![

            Plugin::new("Blank.esm", &settings).unwrap(),

            Plugin::new("Blank.esp", &settings).unwrap(),

        ];

        assert!(validate_load_order(&plugins).is_ok());

    }

    #[test]

    fn validate_load_order_should_be_ok_if_hoisted_non_masters_load_before_masters() {

        let tmp_dir = tempdir().unwrap();

        let settings = prepare(&tmp_dir.path());

        let plugins = vec![

            Plugin::new("Blank.esm", &settings).unwrap(),

            Plugin::new("Blank.esp", &settings).unwrap(),

            Plugin::new("Blank - Plugin Dependent.esm", &settings).unwrap(),

        ];

        assert!(validate_load_order(&plugins).is_ok());

    }

    #[test]

    fn validate_load_order_should_error_if_non_masters_are_hoisted_earlier_than_needed() {

        let tmp_dir = tempdir().unwrap();

        let settings = prepare(&tmp_dir.path());

        let plugins = vec![

            Plugin::new("Blank.esp", &settings).unwrap(),

            Plugin::new("Blank.esm", &settings).unwrap(),

            Plugin::new("Blank - Plugin Dependent.esm", &settings).unwrap(),

        ];

        assert!(validate_load_order(&plugins).is_err());

    }

    #[test]

    fn validate_load_order_should_error_if_master_files_load_before_non_masters_they_have_as_masters(

    ) {

        let tmp_dir = tempdir().unwrap();

        let settings = prepare(&tmp_dir.path());

        let plugins = vec![

            Plugin::new("Blank.esm", &settings).unwrap(),

            Plugin::new("Blank - Plugin Dependent.esm", &settings).unwrap(),

            Plugin::new("Blank.esp", &settings).unwrap(),

        ];

        assert!(validate_load_order(&plugins).is_err());

    }

    #[test]

    fn find_first_non_master_should_find_a_normal_esp() {

        let tmp_dir = tempdir().unwrap();

        let plugins = prepare_plugins(&tmp_dir.path(), "Blank.esp");

        let first_non_master = super::find_first_non_master_position(&plugins);

        assert_eq!(1, first_non_master.unwrap());

    }

    #[test]

    fn find_first_non_master_should_find_a_light_flagged_esp() {

        let tmp_dir = tempdir().unwrap();

        let plugins = prepare_plugins(&tmp_dir.path(), "Blank.esl");

        let first_non_master = super::find_first_non_master_position(&plugins);

        assert_eq!(1, first_non_master.unwrap());

    }