use crate::parser::{parse_from_str, Event, Parser, ParserError};
use serde::Serialize;
use std::borrow::Cow;
use std::collections::{HashMap, VecDeque};
#[derive(Debug, PartialEq, Eq)]
pub enum GitConfigError<'a> {
/// The requested section does not exist.
SectionDoesNotExist(&'a str),
/// The requested subsection does not exist.
SubSectionDoesNotExist(Option<&'a str>),
/// The key does not exist in the requested section.
KeyDoesNotExist(&'a str),
}
/// High level `git-config` reader and writer.
pub struct GitConfig<'a> {
/// The list of events that occur before an actual section. Since a
/// `git-config` file prohibits global values, this vec is limited to only
/// comment, newline, and whitespace events.
front_matter_events: Vec<Event<'a>>,
section_lookup_tree: HashMap<Cow<'a, str>, Vec<LookupTreeNode<'a>>>,
/// SectionId to section mapping. The value of this HashMap contains actual
/// events
sections: HashMap<SectionId, Vec<Event<'a>>>,
section_header_separators: HashMap<SectionId, Option<Cow<'a, str>>>,
section_id_counter: usize,
section_order: VecDeque<SectionId>,
}
/// The section ID is a monotonically increasing ID used to refer to sections.
/// This value does not imply any ordering between sections, as new sections
/// with higher section IDs may be in between lower ID sections.
///
/// We need to use a section id because `git-config` permits sections with
/// identical names. As a result, we can't simply use the section name as a key
/// in a map.
///
/// This id guaranteed to be unique, but not guaranteed to be compact. In other
/// words, it's possible that a section may have an ID of 3 but the next section
/// has an ID of 5.
#[derive(PartialEq, Eq, Hash, Copy, Clone, PartialOrd, Ord, Debug)]
struct SectionId(usize);
#[derive(Debug, PartialEq, Eq)]
enum LookupTreeNode<'a> {
Terminal(Vec<SectionId>),
NonTerminal(HashMap<Cow<'a, str>, Vec<SectionId>>),
}
impl<'a> GitConfig<'a> {
/// Convenience constructor. Attempts to parse the provided string into a
/// [`GitConfig`].
pub fn from_str(str: &'a str) -> Result<Self, ParserError> {
Ok(Self::from_parser(parse_from_str(str)?))
}
pub fn from_parser(parser: Parser<'a>) -> Self {
let mut new_self = Self {
front_matter_events: vec![],
sections: HashMap::new(),
section_lookup_tree: HashMap::new(),
section_header_separators: HashMap::new(),
section_id_counter: 0,
section_order: VecDeque::new(),
};
// Current section that we're building
let mut current_section_name: Option<Cow<'a, str>> = None;
let mut current_subsection_name: Option<Cow<'a, str>> = None;
let mut maybe_section: Option<Vec<Event<'a>>> = None;
for event in parser.into_iter() {
match event {
Event::SectionHeader(header) => {
new_self.push_section(
current_section_name,
current_subsection_name,
&mut maybe_section,
);
// Initialize new section
let (name, subname) = (header.name, header.subsection_name);
maybe_section = Some(vec![]);
current_section_name = Some(name);
current_subsection_name = subname;
// We need to store the new, current id counter, so don't
// use new_section_id here and use the already incremented
// section id value.
new_self
.section_header_separators
.insert(SectionId(new_self.section_id_counter), header.separator);
}
e @ Event::Key(_)
| e @ Event::Value(_)
| e @ Event::ValueNotDone(_)
| e @ Event::ValueDone(_) => maybe_section
.as_mut()
.expect("Got a section-only event before a section")
.push(e),
e @ Event::Comment(_) | e @ Event::Newline(_) | e @ Event::Whitespace(_) => {
match maybe_section {
Some(ref mut section) => section.push(e),
None => new_self.front_matter_events.push(e),
}
}
}
}
// The last section doesn't get pushed since we only push if there's a
// new section header, so we need to call push one more time.
new_self.push_section(
current_section_name,
current_subsection_name,
&mut maybe_section,
);
new_self
}
fn push_section(
&mut self,
current_section_name: Option<Cow<'a, str>>,
current_subsection_name: Option<Cow<'a, str>>,
maybe_section: &mut Option<Vec<Event<'a>>>,
) {
if let Some(section) = maybe_section.take() {
let new_section_id = SectionId(self.section_id_counter);
self.sections.insert(new_section_id, section);
let lookup = self
.section_lookup_tree
.entry(current_section_name.unwrap())
.or_default();
let mut found_node = false;
if let Some(subsection_name) = current_subsection_name {
for node in lookup.iter_mut() {
if let LookupTreeNode::NonTerminal(subsection) = node {
found_node = true;
subsection
// Despite the clone `push_section` is always called
// with a Cow::Borrowed, so this is effectively a
// copy.
.entry(subsection_name.clone())
.or_default()
.push(new_section_id);
break;
}
}
if !found_node {
let mut map = HashMap::new();
map.insert(subsection_name, vec![new_section_id]);
lookup.push(LookupTreeNode::NonTerminal(map));
}
} else {
for node in lookup.iter_mut() {
if let LookupTreeNode::Terminal(vec) = node {
found_node = true;
vec.push(new_section_id);
break;
}
}
if !found_node {
lookup.push(LookupTreeNode::Terminal(vec![new_section_id]))
}
}
self.section_order.push_back(new_section_id);
self.section_id_counter += 1;
}
}
/// Returns an uninterpreted value given a section, an optional subsection
/// and key.
///
/// # Multivar behavior
///
/// `git` is flexible enough to allow users to set a key multiple times in
/// any number of identically named sections. When this is the case, the key
/// is known as a "multivar". In this case, `get_raw_value` follows the
/// "last one wins" approach that `git-config` internally uses for multivar
/// resolution.
///
/// Concretely, the following config has a multivar, `a`, with the values
/// of `b`, `c`, and `d`, while `e` is a single variable with the value
/// `f g h`.
///
/// ```text
/// [core]
/// a = b
/// a = c
/// [core]
/// a = d
/// e = f g h
/// ```
///
/// Calling this function to fetch `a` with the above config will return
/// `d`, since the last valid config value is `a = d`:
///
/// ```
/// # use serde_git_config::config::GitConfig;
/// # use std::borrow::Cow;
/// # let git_config = GitConfig::from_str("[core]a=b\n[core]\na=c\na=d").unwrap();
/// assert_eq!(git_config.get_raw_value("core", None, "a"), Ok(&Cow::from("d")));
/// ```
///
/// Consider [`Self::get_raw_multi_value`] if you want to get all values of
/// a multivar instead.
///
/// # Errors
///
/// This function will return an error if the key is not in the requested
/// section and subsection, or if the section and subsection do not exist.
pub fn get_raw_value<'b>(
&self,
section_name: &'b str,
subsection_name: Option<&'b str>,
key: &'b str,
) -> Result<&Cow<'a, str>, GitConfigError<'b>> {
// Note: cannot wrap around the raw_multi_value method because we need
// to guarantee that the highest section id is used (so that we follow
// the "last one wins" resolution strategy by `git-config`).
let section_id = self.get_section_id_by_name_and_subname(section_name, subsection_name)?;
// section_id is guaranteed to exist in self.sections, else we have a
// violated invariant.
let events = self.sections.get(§ion_id).unwrap();
let mut found_key = false;
let mut latest_value = None;
for event in events {
match event {
Event::Key(event_key) if *event_key == key => found_key = true,
Event::Value(v) if found_key => {
found_key = false;
latest_value = Some(v);
}
_ => (),
}
}
latest_value.ok_or(GitConfigError::KeyDoesNotExist(key))
}
/// Returns a mutable reference to an uninterpreted value given a section,
/// an optional subsection and key.
///
/// # Multivar behavior
///
/// `git` is flexible enough to allow users to set a key multiple times in
/// any number of identically named sections. When this is the case, the key
/// is known as a "multivar". In this case, `get_raw_value` follows the
/// "last one wins" approach that `git-config` internally uses for multivar
/// resolution.
///
/// Concretely, the following config has a multivar, `a`, with the values
/// of `b`, `c`, and `d`, while `e` is a single variable with the value
/// `f g h`.
///
/// ```text
/// [core]
/// a = b
/// a = c
/// [core]
/// a = d
/// e = f g h
/// ```
///
/// Calling this function to fetch `a` with the above config will return
/// `d`, since the last valid config value is `a = d`:
///
/// ```
/// # use serde_git_config::config::{GitConfig, GitConfigError};
/// # use std::borrow::Cow;
/// # let mut git_config = GitConfig::from_str("[core]a=b\n[core]\na=c\na=d").unwrap();
/// let mut mut_value = git_config.get_raw_value_mut("core", None, "a")?;
/// assert_eq!(mut_value, &mut Cow::from("d"));
/// *mut_value = Cow::Borrowed("hello");
/// assert_eq!(git_config.get_raw_value("core", None, "a"), Ok(&Cow::from("hello")));
/// # Ok::<(), GitConfigError>(())
/// ```
///
/// Consider [`Self::get_raw_multi_value_mut`] if you want to get mutable
/// references to all values of a multivar instead.
///
/// # Errors
///
/// This function will return an error if the key is not in the requested
/// section and subsection, or if the section and subsection do not exist.
pub fn get_raw_value_mut<'b>(
&mut self,
section_name: &'b str,
subsection_name: Option<&'b str>,
key: &'b str,
) -> Result<&mut Cow<'a, str>, GitConfigError<'b>> {
// Note: cannot wrap around the raw_multi_value method because we need
// to guarantee that the highest section id is used (so that we follow
// the "last one wins" resolution strategy by `git-config`).
let section_id = self.get_section_id_by_name_and_subname(section_name, subsection_name)?;
// section_id is guaranteed to exist in self.sections, else we have a
// violated invariant.
let events = self.sections.get_mut(§ion_id).unwrap();
let mut found_key = false;
let mut latest_value = None;
for event in events {
match event {
Event::Key(event_key) if *event_key == key => found_key = true,
Event::Value(v) if found_key => {
found_key = false;
latest_value = Some(v);
}
_ => (),
}
}
latest_value.ok_or(GitConfigError::KeyDoesNotExist(key))
}
fn get_section_id_by_name_and_subname<'b>(
&'a self,
section_name: &'b str,
subsection_name: Option<&'b str>,
) -> Result<SectionId, GitConfigError<'b>> {
self.get_section_ids_by_name_and_subname(section_name, subsection_name)
.map(|vec| {
// get_section_ids_by_name_and_subname is guaranteed to return
// a non-empty vec, so max can never return empty.
*vec.into_iter().max().unwrap()
})
}
/// Returns all uninterpreted values given a section, an optional subsection
/// and key. If you have the following config:
///
/// ```text
/// [core]
/// a = b
/// [core]
/// a = c
/// a = d
/// ```
///
/// Attempting to get all values of `a` yields the following:
///
/// ```
/// # use serde_git_config::config::GitConfig;
/// # use std::borrow::Cow;
/// # let git_config = GitConfig::from_str("[core]a=b\n[core]\na=c\na=d").unwrap();
/// assert_eq!(
/// git_config.get_raw_multi_value("core", None, "a"),
/// Ok(vec![&Cow::from("b"), &Cow::from("c"), &Cow::from("d")]),
/// );
/// ```
///
/// Consider [`Self::get_raw_value`] if you want to get the resolved single
/// value for a given key, if your key does not support multi-valued values.
///
/// # Errors
///
/// This function will return an error if the key is not in any requested
/// section and subsection, or if no instance of the section and subsections
/// exist.
pub fn get_raw_multi_value<'b>(
&'a self,
section_name: &'b str,
subsection_name: Option<&'b str>,
key: &'b str,
) -> Result<Vec<&Cow<'a, str>>, GitConfigError<'b>> {
let mut values = vec![];
for section_id in self.get_section_ids_by_name_and_subname(section_name, subsection_name)? {
let mut found_key = false;
// section_id is guaranteed to exist in self.sections, else we
// have a violated invariant.
for event in self.sections.get(section_id).unwrap() {
match event {
Event::Key(event_key) if *event_key == key => found_key = true,
Event::Value(v) if found_key => {
values.push(v);
found_key = false;
}
_ => (),
}
}
}
if values.is_empty() {
Err(GitConfigError::KeyDoesNotExist(key))
} else {
Ok(values)
}
}
/// Returns mutable references to all uninterpreted values given a section,
/// an optional subsection and key. If you have the following config:
///
/// ```text
/// [core]
/// a = b
/// [core]
/// a = c
/// a = d
/// ```
///
/// Attempting to get all values of `a` yields the following:
///
/// ```
/// # use serde_git_config::config::{GitConfig, GitConfigError};
/// # use std::borrow::Cow;
/// # let mut git_config = GitConfig::from_str("[core]a=b\n[core]\na=c\na=d").unwrap();
/// assert_eq!(git_config.get_raw_multi_value("core", None, "a")?, vec!["b", "c", "d"]);
/// for value in git_config.get_raw_multi_value_mut("core", None, "a")? {
/// *value = Cow::from("g");
///}
/// assert_eq!(
/// git_config.get_raw_multi_value("core", None, "a")?,
/// vec![&Cow::from("g"), &Cow::from("g"), &Cow::from("g")],
/// );
/// # Ok::<(), GitConfigError>(())
/// ```
///
/// Consider [`Self::get_raw_value`] if you want to get the resolved single
/// value for a given key, if your key does not support multi-valued values.
///
/// Note that this operation is relatively expensive, requiring a full
/// traversal of the config.
///
/// # Errors
///
/// This function will return an error if the key is not in any requested
/// section and subsection, or if no instance of the section and subsections
/// exist.
pub fn get_raw_multi_value_mut<'b>(
&mut self,
section_name: &'b str,
subsection_name: Option<&'b str>,
key: &'b str,
) -> Result<Vec<&mut Cow<'a, str>>, GitConfigError<'b>> {
let section_ids = self
.get_section_ids_by_name_and_subname(section_name, subsection_name)?
.to_vec();
let mut found_key = false;
let values: Vec<&mut Cow<'a, str>> = self
.sections
.iter_mut()
.filter_map(|(k, v)| {
if section_ids.contains(k) {
let mut values = vec![];
for event in v {
match event {
Event::Key(event_key) if *event_key == key => found_key = true,
Event::Value(v) if found_key => {
values.push(v);
found_key = false;
}
_ => (),
}
}
Some(values)
} else {
None
}
})
.flatten()
.collect();
if values.is_empty() {
Err(GitConfigError::KeyDoesNotExist(key))
} else {
Ok(values)
}
}
fn get_section_ids_by_name_and_subname<'b>(
&'a self,
section_name: &'b str,
subsection_name: Option<&'b str>,
) -> Result<&[SectionId], GitConfigError<'b>> {
let section_ids = self
.section_lookup_tree
.get(section_name)
.ok_or(GitConfigError::SectionDoesNotExist(section_name))?;
let mut maybe_ids = None;
// Don't simplify if and matches here -- the for loop currently needs
// `n + 1` checks, while the if and matches will result in the for loop
// needing `2n` checks.
if let Some(subsect_name) = subsection_name {
for node in section_ids {
if let LookupTreeNode::NonTerminal(subsection_lookup) = node {
maybe_ids = subsection_lookup.get(subsect_name);
break;
}
}
} else {
for node in section_ids {
if let LookupTreeNode::Terminal(subsection_lookup) = node {
maybe_ids = Some(subsection_lookup);
break;
}
}
}
maybe_ids
.map(Vec::as_slice)
.ok_or(GitConfigError::SubSectionDoesNotExist(subsection_name))
}
pub fn set_raw_value<'b>(
&mut self,
section_name: &'b str,
subsection_name: Option<&'b str>,
key: &'b str,
new_value: impl Into<Cow<'a, str>>,
) -> Result<(), GitConfigError<'b>> {
let value = self.get_raw_value_mut(section_name, subsection_name, key)?;
*value = new_value.into();
Ok(())
}
}
#[cfg(test)]
mod from_parser {
use super::*;
#[test]
fn parse_empty() {
let config = GitConfig::from_str("").unwrap();
assert!(config.section_header_separators.is_empty());
assert_eq!(config.section_id_counter, 0);
assert!(config.section_lookup_tree.is_empty());
assert!(config.sections.is_empty());
assert!(config.section_order.is_empty());
}
#[test]
fn parse_single_section() {
let mut config = GitConfig::from_str("[core]\na=b\nc=d").unwrap();
let expected_separators = {
let mut map = HashMap::new();
map.insert(SectionId(0), None);
map
};
assert_eq!(config.section_header_separators, expected_separators);
assert_eq!(config.section_id_counter, 1);
let expected_lookup_tree = {
let mut tree = HashMap::new();
tree.insert(
Cow::Borrowed("core"),
vec![LookupTreeNode::Terminal(vec![SectionId(0)])],
);
tree
};
assert_eq!(config.section_lookup_tree, expected_lookup_tree);
let expected_sections = {
let mut sections = HashMap::new();
sections.insert(
SectionId(0),
vec![
Event::Newline(Cow::Borrowed("\n")),
Event::Key(Cow::Borrowed("a")),
Event::Value(Cow::Borrowed("b")),
Event::Newline(Cow::Borrowed("\n")),
Event::Key(Cow::Borrowed("c")),
Event::Value(Cow::Borrowed("d")),
],
);
sections
};
assert_eq!(config.sections, expected_sections);
assert_eq!(config.section_order.make_contiguous(), &[SectionId(0)]);
}
#[test]
fn parse_single_subsection() {
let mut config = GitConfig::from_str("[core.subsec]\na=b\nc=d").unwrap();
let expected_separators = {
let mut map = HashMap::new();
map.insert(SectionId(0), Some(Cow::Borrowed(".")));
map
};
assert_eq!(config.section_header_separators, expected_separators);
assert_eq!(config.section_id_counter, 1);
let expected_lookup_tree = {
let mut tree = HashMap::new();
let mut inner_tree = HashMap::new();
inner_tree.insert(Cow::Borrowed("subsec"), vec![SectionId(0)]);
tree.insert(
Cow::Borrowed("core"),
vec![LookupTreeNode::NonTerminal(inner_tree)],
);
tree
};
assert_eq!(config.section_lookup_tree, expected_lookup_tree);
let expected_sections = {
let mut sections = HashMap::new();
sections.insert(
SectionId(0),
vec![
Event::Newline(Cow::Borrowed("\n")),
Event::Key(Cow::Borrowed("a")),
Event::Value(Cow::Borrowed("b")),
Event::Newline(Cow::Borrowed("\n")),
Event::Key(Cow::Borrowed("c")),
Event::Value(Cow::Borrowed("d")),
],
);
sections
};
assert_eq!(config.sections, expected_sections);
assert_eq!(config.section_order.make_contiguous(), &[SectionId(0)]);
}
#[test]
fn parse_multiple_sections() {
let mut config = GitConfig::from_str("[core]\na=b\nc=d\n[other]e=f").unwrap();
let expected_separators = {
let mut map = HashMap::new();
map.insert(SectionId(0), None);
map.insert(SectionId(1), None);
map
};
assert_eq!(config.section_header_separators, expected_separators);
assert_eq!(config.section_id_counter, 2);
let expected_lookup_tree = {
let mut tree = HashMap::new();
tree.insert(
Cow::Borrowed("core"),
vec![LookupTreeNode::Terminal(vec![SectionId(0)])],
);
tree.insert(
Cow::Borrowed("other"),
vec![LookupTreeNode::Terminal(vec![SectionId(1)])],
);
tree
};
assert_eq!(config.section_lookup_tree, expected_lookup_tree);
let expected_sections = {
let mut sections = HashMap::new();
sections.insert(
SectionId(0),
vec![
Event::Newline(Cow::Borrowed("\n")),
Event::Key(Cow::Borrowed("a")),
Event::Value(Cow::Borrowed("b")),
Event::Newline(Cow::Borrowed("\n")),
Event::Key(Cow::Borrowed("c")),
Event::Value(Cow::Borrowed("d")),
Event::Newline(Cow::Borrowed("\n")),
],
);
sections.insert(
SectionId(1),
vec![
Event::Key(Cow::Borrowed("e")),
Event::Value(Cow::Borrowed("f")),
],
);
sections
};
assert_eq!(config.sections, expected_sections);
assert_eq!(
config.section_order.make_contiguous(),
&[SectionId(0), SectionId(1)]
);
}
#[test]
fn parse_multiple_duplicate_sections() {
let mut config = GitConfig::from_str("[core]\na=b\nc=d\n[core]e=f").unwrap();
let expected_separators = {
let mut map = HashMap::new();
map.insert(SectionId(0), None);
map.insert(SectionId(1), None);
map
};
assert_eq!(config.section_header_separators, expected_separators);
assert_eq!(config.section_id_counter, 2);
let expected_lookup_tree = {
let mut tree = HashMap::new();
tree.insert(
Cow::Borrowed("core"),
vec![LookupTreeNode::Terminal(vec![SectionId(0), SectionId(1)])],
);
tree
};
assert_eq!(config.section_lookup_tree, expected_lookup_tree);
let expected_sections = {
let mut sections = HashMap::new();
sections.insert(
SectionId(0),
vec![
Event::Newline(Cow::Borrowed("\n")),
Event::Key(Cow::Borrowed("a")),
Event::Value(Cow::Borrowed("b")),
Event::Newline(Cow::Borrowed("\n")),
Event::Key(Cow::Borrowed("c")),
Event::Value(Cow::Borrowed("d")),
Event::Newline(Cow::Borrowed("\n")),
],
);
sections.insert(
SectionId(1),
vec![
Event::Key(Cow::Borrowed("e")),
Event::Value(Cow::Borrowed("f")),
],
);
sections
};
assert_eq!(config.sections, expected_sections);
assert_eq!(
config.section_order.make_contiguous(),
&[SectionId(0), SectionId(1)]
);
}
}
#[cfg(test)]
mod get_raw_value {
use super::*;
#[test]
fn single_section() {
let config = GitConfig::from_str("[core]\na=b\nc=d").unwrap();
assert_eq!(
config.get_raw_value("core", None, "a"),
Ok(&Cow::Borrowed("b"))
);
assert_eq!(
config.get_raw_value("core", None, "c"),
Ok(&Cow::Borrowed("d"))
);
}
#[test]
fn last_one_wins_respected_in_section() {
let config = GitConfig::from_str("[core]\na=b\na=d").unwrap();
assert_eq!(
config.get_raw_value("core", None, "a"),
Ok(&Cow::Borrowed("d"))
);
}
#[test]
fn last_one_wins_respected_across_section() {
let config = GitConfig::from_str("[core]\na=b\n[core]\na=d").unwrap();
assert_eq!(
config.get_raw_value("core", None, "a"),
Ok(&Cow::Borrowed("d"))
);
}
#[test]
fn section_not_found() {
let config = GitConfig::from_str("[core]\na=b\nc=d").unwrap();
assert_eq!(
config.get_raw_value("foo", None, "a"),
Err(GitConfigError::SectionDoesNotExist("foo"))
);
}
#[test]
fn subsection_not_found() {
let config = GitConfig::from_str("[core]\na=b\nc=d").unwrap();
assert_eq!(
config.get_raw_value("core", Some("a"), "a"),
Err(GitConfigError::SubSectionDoesNotExist(Some("a")))
);
}
#[test]
fn key_not_found() {
let config = GitConfig::from_str("[core]\na=b\nc=d").unwrap();
assert_eq!(
config.get_raw_value("core", None, "aaaaaa"),
Err(GitConfigError::KeyDoesNotExist("aaaaaa"))
);
}
#[test]
fn subsection_must_be_respected() {
let config = GitConfig::from_str("[core]a=b\n[core.a]a=c").unwrap();
assert_eq!(
config.get_raw_value("core", None, "a"),
Ok(&Cow::Borrowed("b"))
);
assert_eq!(
config.get_raw_value("core", Some("a"), "a"),
Ok(&Cow::Borrowed("c"))
);
}
}
#[cfg(test)]
mod get_raw_multi_value {
use super::*;
#[test]
fn single_value_is_identical_to_single_value_query() {
let config = GitConfig::from_str("[core]\na=b\nc=d").unwrap();
assert_eq!(
vec![config.get_raw_value("core", None, "a").unwrap()],
config.get_raw_multi_value("core", None, "a").unwrap()
);
}
#[test]
fn multi_value_in_section() {
let config = GitConfig::from_str("[core]\na=b\na=c").unwrap();
assert_eq!(
config.get_raw_multi_value("core", None, "a").unwrap(),
vec!["b", "c"]
);
}
#[test]
fn multi_value_across_sections() {
let config = GitConfig::from_str("[core]\na=b\na=c\n[core]a=d").unwrap();
assert_eq!(
config.get_raw_multi_value("core", None, "a").unwrap(),
vec!["b", "c", "d"]
);
}
#[test]
fn section_not_found() {
let config = GitConfig::from_str("[core]\na=b\nc=d").unwrap();
assert_eq!(
config.get_raw_multi_value("foo", None, "a"),
Err(GitConfigError::SectionDoesNotExist("foo"))
);
}
#[test]
fn subsection_not_found() {
let config = GitConfig::from_str("[core]\na=b\nc=d").unwrap();
assert_eq!(
config.get_raw_multi_value("core", Some("a"), "a"),
Err(GitConfigError::SubSectionDoesNotExist(Some("a")))
);
}
#[test]
fn key_not_found() {
let config = GitConfig::from_str("[core]\na=b\nc=d").unwrap();
assert_eq!(
config.get_raw_multi_value("core", None, "aaaaaa"),
Err(GitConfigError::KeyDoesNotExist("aaaaaa"))
);
}
#[test]
fn subsection_must_be_respected() {
let config = GitConfig::from_str("[core]a=b\n[core.a]a=c").unwrap();
assert_eq!(
config.get_raw_multi_value("core", None, "a").unwrap(),
vec!["b"]
);
assert_eq!(
config.get_raw_multi_value("core", Some("a"), "a").unwrap(),
vec!["c"]
);
}
#[test]
fn non_relevant_subsection_is_ignored() {
let config = GitConfig::from_str("[core]\na=b\na=c\n[core]a=d\n[core]g=g").unwrap();
assert_eq!(
config.get_raw_multi_value("core", None, "a").unwrap(),
vec!["b", "c", "d"]
);
}
}