willbe 0.35.0

Utility to publish multi-crate and multi-workspace environments and maintain their consistency.
Documentation 
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use crate :: *;

use std ::path :: { Path, PathBuf };
use core ::str ::FromStr;
use std ::io ::Write;
use assert_fs ::prelude :: *;
use the_module ::
{
  CrateDir, Manifest,
  version ::Version,
  path ::AbsolutePath,
  package ::Package,
  version :: {BumpOptions, bump, revert},
};

const TEST_MODULE_PATH: &str = "../../test/";

fn package_path< P: AsRef<Path >>(path: P) -> PathBuf 
{
  let root_path = Path ::new(env!("CARGO_MANIFEST_DIR")).join(TEST_MODULE_PATH);
  root_path.join(path)
}

#[ test ]
fn patch() 
{
  // Arrange
  let version = Version ::from_str("0.0.0").unwrap();

  // Act
  let new_version = version.bump();

  // Assert
  assert_eq!("0.0.1", &new_version.to_string());
}

#[ test ]
fn minor_without_patches() 
{
  // Arrange
  let version = Version ::from_str("0.1.0").unwrap();

  // Act
  let new_version = version.bump();

  // Assert
  assert_eq!("0.2.0", &new_version.to_string());
}

#[ test ]
fn minor_with_patch() 
{
  // Arrange
  let version = Version ::from_str("0.1.1").unwrap();

  // Act
  let new_version = version.bump();

  // Assert
  assert_eq!("0.2.0", &new_version.to_string());
}

#[ test ]
fn major_without_patches() 
{
  // Arrange
  let version = Version ::from_str("1.0.0").unwrap();

  // Act
  let new_version = version.bump();

  // Assert
  assert_eq!("1.1.0", &new_version.to_string());
}

#[ test ]
fn major_with_minor() 
{
  // Arrange
  let version = Version ::from_str("1.1.0").unwrap();

  // Act
  let new_version = version.bump();

  // Assert
  assert_eq!("1.2.0", &new_version.to_string());
}

#[ test ]
fn major_with_patches() 
{
  // Arrange
  let version = Version ::from_str("1.1.1").unwrap();

  // Act
  let new_version = version.bump();

  // Assert
  assert_eq!("1.2.0", &new_version.to_string());
}

#[ test ]
fn package_version_bump() 
{
  // Arrange
  let c = package_path("c");
  let temp = assert_fs ::TempDir ::new().unwrap();
  let temp_module = temp.child("module");
  std ::fs ::create_dir(&temp_module).unwrap();
  temp_module.child("c").copy_from(&c, &[ "**"]).unwrap();
  let c_temp_path = temp_module.join("c");
  let c_temp_absolute_path = CrateDir ::try_from(c_temp_path).unwrap();
  let c_temp_crate_dir = c_temp_absolute_path.clone();
  let c_package = Package ::try_from(c_temp_crate_dir.clone()).unwrap();
  let version = c_package.version().unwrap();

  let root_manifest_path = temp.join("Cargo.toml");
  let mut cargo_toml = std ::fs ::File ::create(&root_manifest_path).unwrap();
  // let root_manifest_absolute_path = AbsolutePath ::try_from( root_manifest_path.as_path() ).unwrap();
  let root_manifest_dir_absolute_path = CrateDir ::try_from(root_manifest_path.as_path().parent().unwrap()).unwrap();
  write!(
  cargo_toml,
  r#"
[workspace]
resolver = "2"
members = [
  "module/*",
]
[workspace.dependencies.test_experimental_c]
version = "{version}"
path = "module/c"
default-features = true
"#
 )
  .unwrap();
  let version = Version ::try_from(&version).unwrap();
  let bumped_version = version.clone().bump();

  // Act
  let options = BumpOptions {
  crate_dir: c_temp_crate_dir.clone(),
  old_version: version.clone(),
  new_version: bumped_version.clone(),
  dependencies: vec![root_manifest_dir_absolute_path.clone()],
  dry: false,
 };
  let bump_report = bump(options).unwrap();

  // Assert
  assert_eq!(Some(version.to_string()), bump_report.old_version);
  assert_eq!(Some(bumped_version.to_string()), bump_report.new_version);
  assert_eq!(
  {
   // let mut v = vec![ root_manifest_absolute_path.clone(), c_temp_absolute_path.join( "Cargo.toml" ) ];
   let mut v = vec![
  root_manifest_dir_absolute_path.clone().manifest_file(),
  c_temp_absolute_path.manifest_file(),
 ];
   v.sort();
   v
 },
  {
   let mut v = bump_report.changed_files;
   v.sort();
   v
 }
 );
  let c_package = Package ::try_from(c_temp_crate_dir.clone()).unwrap();
  let name = c_package.name().unwrap();
  assert_eq!(bumped_version.to_string(), c_package.version().unwrap());
  let mut root_manifest = Manifest ::try_from(root_manifest_dir_absolute_path).unwrap();
  // root_manifest.load().unwrap();
  let data = root_manifest.data();
  let current_version_item = data
  .get("workspace")
  .and_then(|w| w.get("dependencies"))
  .and_then(|d| d.get(name))
  .and_then(|p| p.get("version"))
  .unwrap(); // fix clippy
  let current_version = current_version_item.as_str().unwrap();
  assert_eq!(&bumped_version.to_string(), current_version);
}

#[ test ]
fn package_version_bump_revert() 
{
  // Arrange
  let c = package_path("c");
  let temp = assert_fs ::TempDir ::new().unwrap();
  let temp_module = temp.child("module");
  std ::fs ::create_dir(&temp_module).unwrap();
  temp_module.child("c").copy_from(&c, &[ "**"]).unwrap();
  let c_temp_path = temp_module.join("c");
  let c_temp_absolute_path = AbsolutePath ::try_from(c_temp_path).unwrap();
  let c_temp_crate_dir = CrateDir ::try_from(c_temp_absolute_path.clone()).unwrap();
  let c_package = Package ::try_from(c_temp_crate_dir.clone()).unwrap();
  let version = c_package.version().unwrap();

  let root_manifest_path = temp.join("Cargo.toml");
  let mut cargo_toml = std ::fs ::File ::create(&root_manifest_path).unwrap();
  let root_manifest_dir_absolute_path = CrateDir ::try_from(root_manifest_path.as_path().parent().unwrap()).unwrap();
  write!(
  cargo_toml,
  r#"
[workspace]
resolver = "2"
members = [
  "module/*",
]
[workspace.dependencies.test_experimental_c]
version = "{version}"
path = "module/c"
default-features = true
"#
 )
  .unwrap();
  let version = Version ::try_from(&version).unwrap();
  let bumped_version = version.clone().bump();

  // Act
  let options = BumpOptions {
  crate_dir: c_temp_crate_dir.clone(),
  old_version: version.clone(),
  new_version: bumped_version.clone(),
  dependencies: vec![root_manifest_dir_absolute_path.clone()],
  dry: false,
 };
  let bump_report = bump(options).unwrap();
  revert(&bump_report).unwrap();

  // Assert
  let c_package = Package ::try_from(c_temp_crate_dir.clone()).unwrap();
  let name = c_package.name().unwrap();
  assert_eq!(version.to_string(), c_package.version().unwrap());
  let mut root_manifest = Manifest ::try_from(root_manifest_dir_absolute_path).unwrap();
  // root_manifest.load().unwrap();
  let data = root_manifest.data();
  let current_version_item = data
  .get("workspace")
  .and_then(|w| w.get("dependencies"))
  .and_then(|d| d.get(name))
  .and_then(|p| p.get("version"))
  .unwrap();
  let current_version = current_version_item.as_str().unwrap();
  assert_eq!(&version.to_string(), current_version);
}