diff --git a/src/scripts/actions/test.ts b/src/scripts/actions/test.ts
new file mode 100644
index 0000000..d74ebfb
--- /dev/null
+++ b/src/scripts/actions/test.ts
@@ -0,0 +1,39 @@
+import { createBaseWorldConfig } from '@/lib/config/world';
+import { createBaseTypesConfig } from '@/lib/config/types';
+import { create2dBaseInitialConfig } from '@/lib/config/initial';
+import { Simulation } from '@/lib/simulation';
+import { createPhysicModel } from '@/lib/utils/functions';
+import { create2dRandomDistribution } from '@/lib/config/atoms';
+import { createDummyDrawer } from '@/lib/drawer/dummy';
+import { Runner } from '@/lib/runner';
+import { CompoundsAnalyzer } from '@/lib/analysis/compounds';
+
+export const actionTest = (...args: string[]) => {
+  console.log('[START] test action', args);
+
+  const worldConfig = createBaseWorldConfig();
+  const typesConfig = createBaseTypesConfig();
+  const initialConfig = create2dBaseInitialConfig();
+
+  const sim = new Simulation({
+    viewMode: '2d',
+    worldConfig: worldConfig,
+    typesConfig: typesConfig,
+    initialConfig: initialConfig,
+    physicModel: createPhysicModel(worldConfig, typesConfig),
+    atomsFactory: create2dRandomDistribution,
+    drawer: createDummyDrawer(),
+  });
+
+  const runner = new Runner(sim);
+  runner.runSteps(500);
+
+  console.log(sim.summary);
+
+  const compounds = new CompoundsAnalyzer(sim.exportCompounds(), sim.atoms);
+  console.log(compounds.lengthByTypes);
+  console.log(compounds.itemLengthSummary);
+  console.log(compounds.itemLengthByTypesSummary);
+
+  console.log('[FINISH]');
+}
diff --git a/src/scripts/tool.ts b/src/scripts/tool.ts
index 1c3d07b..1563671 100644
--- a/src/scripts/tool.ts
+++ b/src/scripts/tool.ts
@@ -1,54 +1,16 @@
-import { Simulation } from '@/lib/simulation';
-import { Runner } from '@/lib/runner';
-import { create2dBaseInitialConfig } from '@/lib/config/initial';
-import { createPhysicModel } from '@/lib/utils/functions';
-import { create2dRandomDistribution } from '@/lib/config/atoms';
-import { createBaseWorldConfig } from '@/lib/config/world';
-import { createBaseTypesConfig } from '@/lib/config/types';
-import { createDummyDrawer } from '@/lib/drawer/dummy';
-import { CompoundsAnalyzer } from '@/lib/analysis/compounds';
 import { Router } from '@/scripts/lib/router';
+import { actionTest } from '@/scripts/actions/test';
 
 const router = new Router();
 
-router.onBeforeRun((action) => {
+router.onBeforeRun(() => {
   console.log('');
   console.log('***********************');
   console.log('** COMMAND LINE TOOL **');
   console.log('***********************');
   console.log('');
-  console.log(`Action to run: "${action}"`);
-  console.log('');
 })
 
-router.add('test', (...args: string[]) => {
-  console.log('[START] test action', args);
-
-  const worldConfig = createBaseWorldConfig();
-  const typesConfig = createBaseTypesConfig();
-  const initialConfig = create2dBaseInitialConfig();
-
-  const sim = new Simulation({
-    viewMode: '2d',
-    worldConfig: worldConfig,
-    typesConfig: typesConfig,
-    initialConfig: initialConfig,
-    physicModel: createPhysicModel(worldConfig, typesConfig),
-    atomsFactory: create2dRandomDistribution,
-    drawer: createDummyDrawer(),
-  });
-
-  const runner = new Runner(sim);
-  runner.runSteps(500);
-
-  console.log(sim.summary);
-
-  const compounds = new CompoundsAnalyzer(sim.exportCompounds(), sim.atoms);
-  console.log(compounds.lengthByTypes);
-  console.log(compounds.itemLengthSummary);
-  console.log(compounds.itemLengthByTypesSummary);
-
-  console.log('[FINISH]');
-});
+router.add('test', actionTest);
 
 router.run(process.argv.slice(2));