diff --git a/module/move/willbe/tests/inc/mod.rs b/module/move/willbe/tests/inc/mod.rs
index ca9dbda05d..0b456a9b87 100644
--- a/module/move/willbe/tests/inc/mod.rs
+++ b/module/move/willbe/tests/inc/mod.rs
@@ -14,6 +14,8 @@ mod action_tests;
 
 mod helper;
 
+mod package;
+
 // aaa : for Petro : for Bohdan : for Nikita : sort out test files to be consistent with src files
 // sorted
 
diff --git a/module/move/willbe/tests/inc/package.rs b/module/move/willbe/tests/inc/package.rs
index 8a5fb2a2f0..bc83b38d89 100644
--- a/module/move/willbe/tests/inc/package.rs
+++ b/module/move/willbe/tests/inc/package.rs
@@ -1,3 +1,310 @@
+use std::*;
+use std::io::Write;
+
+use crate::the_module::{ action, channel, package };
+
+enum Dependency
+{
+  Normal { name: String, path: Option< path::PathBuf >, is_macro: bool },
+  Dev { name: String, path: Option< path::PathBuf >, is_macro: bool },
+}
+
+impl Dependency
+{
+  fn as_toml( &self ) -> String
+  {
+    match self
+    {
+      Dependency::Normal { name, path, is_macro } if !is_macro => 
+      if let Some( path ) = path
+      {
+        format!( "[dependencies.{name}]\npath = \"../{}\"", path.display().to_string().replace( "\\", "/" ) )
+      }
+      else
+      {
+        format!( "[dependencies.{name}]\nversion = \"*\"" )
+      }
+      Dependency::Normal { name, .. } => format!( "[dependencies.{name}]\nworkspace = true" ),
+      Dependency::Dev { name, path, is_macro } if !is_macro =>
+      if let Some( path ) = path
+      {
+        format!( "[dev-dependencies.{name}]\npath = \"../{}\"", path.display().to_string().replace( "\\", "/" ) )
+      }
+      else
+      {
+        format!( "[dev-dependencies.{name}]\nversion = \"*\"" )
+      }
+      Dependency::Dev { name, .. } => format!( "[dev-dependencies.{name}]\nworkspace = true" ),
+    }
+  }
+}
+
+struct TestPackage
+{
+  name: String,
+  dependencies: Vec< Dependency >,
+  path: Option< path::PathBuf >,
+}
+
+impl TestPackage
+{
+  pub fn new( name: impl Into< String > ) -> Self
+  {
+    Self { name: name.into(), dependencies: vec![], path: None }
+  }
+  
+  pub fn dependency( mut self, name: impl Into< String > ) -> Self
+  {
+    self.dependencies.push( Dependency::Normal { name: name.into(), path: None, is_macro: false } );
+    self
+  }
+  
+  pub fn macro_dependency( mut self, name: impl Into< String > ) -> Self
+  {
+    self.dependencies.push( Dependency::Normal { name: name.into(), path: None, is_macro: true } );
+    self
+  }
+  
+  pub fn dev_dependency( mut self, name: impl Into< String > ) -> Self
+  {
+    self.dependencies.push( Dependency::Dev { name: name.into(), path: None, is_macro: false } );
+    self
+  }
+
+  pub fn macro_dev_dependency( mut self, name: impl Into< String > ) -> Self
+  {
+    self.dependencies.push( Dependency::Dev { name: name.into(), path: None, is_macro: true } );
+    self
+  }
+  
+  pub fn create( &mut self, path: impl AsRef< path::Path > ) -> io::Result< () >
+  {
+    let path = path.as_ref().join( &self.name );
+
+    () = fs::create_dir_all( path.join( "src" ) )?;
+    () = fs::write( path.join( "src" ).join( "lib.rs" ), &[] )?;
+    
+    let cargo = format!
+    (
+      r#"[package]
+name = "{}"
+version = "0.1.0"
+edition = "2021"
+{}"#,
+      self.name,
+      self.dependencies.iter().map( Dependency::as_toml ).fold( String::new(), | acc, d |
+      {
+        format!( "{acc}\n\n{d}" )
+      })
+    );
+    () = fs::write( path.join( "Cargo.toml" ), cargo.as_bytes() )?;
+    
+    self.path = Some( path );
+    
+    Ok( () )
+  }
+}
+
+impl Drop for TestPackage
+{
+  fn drop( &mut self )
+  {
+    if let Some( path ) = &self.path
+    {
+      _ = fs::remove_dir_all( path ).ok();
+    }
+  }
+}
+
+struct TestWorkspace
+{
+  packages: Vec< TestPackage >,
+  path: path::PathBuf,
+}
+
+impl TestWorkspace
+{
+  fn new( path: impl AsRef< path::Path > ) -> io::Result< Self >
+  {
+    let path = path.as_ref();
+    () = fs::create_dir_all( path )?;
+
+    let cargo = r#"[workspace]
+resolver = "2"
+members = [
+    "members/*",
+]
+"#;
+    () = fs::write( path.join( "Cargo.toml" ), cargo.as_bytes() )?;
+
+    Ok(Self { packages: vec![], path: path.into() })
+  }
+  
+  fn find( &self, package_name: impl AsRef< str > ) -> Option< &TestPackage >
+  {
+    let name = package_name.as_ref();
+    self.packages.iter().find( | p | p.name == name )
+  }
+
+  fn with_package( mut self, mut package: TestPackage ) -> io::Result< Self >
+  {
+    let mut macro_deps = collections::HashMap::new();
+    for dep in &mut package.dependencies
+    {
+      match dep
+      {
+        Dependency::Normal { name, is_macro, .. } if *is_macro =>
+        {
+          if let Some( package ) = self.find( &name )
+          {
+            if let Some( path ) = &package.path
+            {
+              macro_deps.insert( name.clone(), path.clone() );
+              continue;
+            }
+          }
+          eprintln!( "macro dependency {} not found. required for {}", name, package.name );
+        }
+        Dependency::Normal { name, path, .. } =>
+        {
+          if let Some( package ) = self.find( &name )
+          {
+            if let Some( real_path ) = &package.path
+            {
+              let real_path = real_path.strip_prefix( self.path.join( "members" ) ).unwrap_or( real_path );
+              *path = Some( real_path.into() );
+            }
+          }
+        }
+        Dependency::Dev { name, is_macro, .. } if *is_macro =>
+        {
+          if let Some( package ) = self.find( &name )
+          {
+            if let Some( path ) = &package.path
+            {
+              macro_deps.insert( name.clone(), path.clone() );
+              continue;
+            }
+          }
+          eprintln!( "macro dev-dependency {} not found. required for {}", name, package.name );
+        }
+        Dependency::Dev { name, path, .. } =>
+        {
+          if let Some( package ) = self.find( &name )
+          {
+            if let Some( real_path ) = &package.path
+            {
+              let real_path = real_path.strip_prefix( self.path.join( "members" ) ).unwrap_or( real_path );
+              *path = Some( real_path.into() );
+            }
+          }
+        }
+      }
+    }
+    let mut cargo = fs::OpenOptions::new().append( true ).open( self.path.join( "Cargo.toml" ) )?;
+    for ( name, _ ) in macro_deps
+    {
+      writeln!( cargo, 
+        r#"[workspace.dependencies.{name}]
+version = "*"
+path = "members/{name}""#,
+      )?;
+    }
+    package.create( self.path.join( "members" ) )?;
+    self.packages.push( package );
+    
+    Ok( self )
+  }
+  
+  fn with_packages( mut self, packages: impl IntoIterator< Item = TestPackage > ) -> io::Result< Self >
+  {
+    for package in packages { self = self.with_package( package )?; }
+    
+    Ok( self )
+  }
+}
+
+impl Drop for TestWorkspace
+{
+  fn drop( &mut self )
+  {
+    _ = fs::remove_dir_all( &self.path ).ok();
+  }
+}
+
+#[ test ]
+fn kos_plan()
+{
+  let tmp_folder = env::temp_dir().join( "publish_plan_kos_plan" );
+  _ = fs::remove_dir_all( &tmp_folder ).ok();
+  
+  let workspace = TestWorkspace::new( tmp_folder ).unwrap()
+  .with_packages(
+  [
+    TestPackage::new( "a" ),
+    TestPackage::new( "b" ).dependency( "a" ),
+    TestPackage::new( "c" ).dependency( "a" ),
+    TestPackage::new( "d" ).dependency( "a" ),
+    TestPackage::new( "e" ).dependency( "b" ).macro_dev_dependency( "c" ),//.macro_dependency( "c" ),
+  ]).unwrap();
+  let the_patterns: Vec< String > = workspace
+  .packages
+  .iter()
+  .flat_map( | p | p.path.as_ref().map( | p | p.to_string_lossy().into_owned() ) )
+  .collect();
+  dbg!(&the_patterns);
+  
+  let plan = action::publish_plan
+  (
+    the_patterns,
+    channel::Channel::Stable,
+    false,
+    false,
+    true,
+    false,
+  )
+  .unwrap();
+  
+  let queue: Vec< &package::PackageName > = plan.plans.iter().map( | i | &i.package_name ).collect();
+  dbg!(&queue);
+  
+  // We don’t consider dev dependencies when constructing the project graph, which results in this number of variations.
+  // If you'd like to modify this behavior, please check `entity/workspace_graph.rs` in the `module_dependency_filter`.
+  let expected_one_of=
+  [
+    [ "a", "b", "d", "c", "e" ],
+    [ "a", "b", "c", "d", "e" ],
+    [ "a", "d", "b", "c", "e" ],
+    [ "a", "c", "b", "d", "e" ],
+    [ "a", "d", "c", "b", "e" ],
+    [ "a", "c", "d", "b", "e" ],
+    [ "a", "b", "d", "e", "c" ],
+    [ "a", "d", "b", "e", "c" ],
+    [ "a", "b", "e", "d", "c" ],
+    [ "a", "e", "b", "d", "c" ],
+    [ "a", "d", "e", "b", "c" ],
+    [ "a", "e", "d", "b", "c" ],
+    [ "a", "b", "c", "e", "d" ],
+    [ "a", "c", "b", "e", "d" ],
+    [ "a", "b", "e", "c", "d" ],
+    [ "a", "e", "b", "c", "d" ],
+    [ "a", "c", "e", "b", "d" ],
+    [ "a", "e", "c", "b", "d" ],
+  ];
+  
+  let mut fail = true;
+  'sequences: for sequence in expected_one_of
+  {
+    for index in 0 .. 5
+    {
+      if *queue[ index ] != sequence[ index ].to_string().into() { continue 'sequences; }
+    }
+    fail = false;
+    break;
+  }
+  assert!( !fail );
+}
+
 // use super::*;
 // use the_module::
 // {