diff --git a/package.json b/package.json
index 897acd971..668cff49f 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,8 @@
     "prototype": "pnpm --filter prototype dev",
     "playground": "pnpm --filter @apps/playground dev",
     "build": "pnpm -r build",
-    "test": "pnpm -r test",
+    "pretest": "pnpm --filter @object-ui/types build && pnpm --filter @object-ui/core build && pnpm --filter @object-ui/react build && pnpm --filter @object-ui/components build",
+    "test": "vitest run",
     "docs:dev": "pnpm --filter object-ui-docs dev",
     "docs:build": "pnpm --filter object-ui-docs build",
     "docs:preview": "pnpm --filter object-ui-docs preview",
diff --git a/packages/plugin-charts/package.json b/packages/plugin-charts/package.json
index d95d0eb99..a462b91a8 100644
--- a/packages/plugin-charts/package.json
+++ b/packages/plugin-charts/package.json
@@ -16,6 +16,7 @@
   "scripts": {
     "build": "vite build",
     "test": "vitest run",
+    "test:watch": "vitest",
     "type-check": "tsc --noEmit",
     "lint": "eslint ."
   },
diff --git a/packages/plugin-charts/src/index.test.ts b/packages/plugin-charts/src/index.test.ts
index eb24e67ea..154927a01 100644
--- a/packages/plugin-charts/src/index.test.ts
+++ b/packages/plugin-charts/src/index.test.ts
@@ -1,7 +1,128 @@
-import { describe, it, expect } from 'vitest';
+import { describe, it, expect, beforeAll } from 'vitest';
+import { ComponentRegistry } from '@object-ui/core';
 
-describe('@object-ui/plugin-charts', () => {
-  it('should pass', () => {
-    expect(true).toBe(true);
+describe('Plugin Charts', () => {
+  // Import all renderers to register them
+  beforeAll(async () => {
+    await import('./index');
+  });
+
+  describe('chart-bar component', () => {
+    it('should be registered in ComponentRegistry', () => {
+      const chartBarRenderer = ComponentRegistry.get('chart-bar');
+      expect(chartBarRenderer).toBeDefined();
+    });
+
+    it('should have proper metadata', () => {
+      const config = ComponentRegistry.getConfig('chart-bar');
+      expect(config).toBeDefined();
+      expect(config?.label).toBe('Bar Chart');
+      expect(config?.category).toBe('plugin');
+      expect(config?.inputs).toBeDefined();
+      expect(config?.defaultProps).toBeDefined();
+    });
+
+    it('should have expected inputs', () => {
+      const config = ComponentRegistry.getConfig('chart-bar');
+      const inputNames = config?.inputs?.map((input: any) => input.name) || [];
+      
+      expect(inputNames).toContain('data');
+      expect(inputNames).toContain('dataKey');
+      expect(inputNames).toContain('xAxisKey');
+      expect(inputNames).toContain('height');
+      expect(inputNames).toContain('color');
+    });
+
+    it('should have data as required input', () => {
+      const config = ComponentRegistry.getConfig('chart-bar');
+      const dataInput = config?.inputs?.find((input: any) => input.name === 'data');
+      
+      expect(dataInput).toBeDefined();
+      expect(dataInput?.required).toBe(true);
+      expect(dataInput?.type).toBe('array');
+    });
+
+    it('should have sensible default props', () => {
+      const config = ComponentRegistry.getConfig('chart-bar');
+      const defaults = config?.defaultProps;
+      
+      expect(defaults).toBeDefined();
+      expect(defaults?.dataKey).toBe('value');
+      expect(defaults?.xAxisKey).toBe('name');
+      expect(defaults?.height).toBe(400);
+      expect(defaults?.color).toBe('#8884d8');
+      expect(defaults?.data).toBeDefined();
+      expect(Array.isArray(defaults?.data)).toBe(true);
+      expect(defaults?.data.length).toBeGreaterThan(0);
+    });
+  });
+
+  describe('chart (advanced) component', () => {
+    it('should be registered in ComponentRegistry', () => {
+      const chartRenderer = ComponentRegistry.get('chart');
+      expect(chartRenderer).toBeDefined();
+    });
+
+    it('should have proper metadata', () => {
+      const config = ComponentRegistry.getConfig('chart');
+      expect(config).toBeDefined();
+      expect(config?.label).toBe('Chart');
+      expect(config?.category).toBe('plugin');
+      expect(config?.inputs).toBeDefined();
+      expect(config?.defaultProps).toBeDefined();
+    });
+
+    it('should have expected inputs', () => {
+      const config = ComponentRegistry.getConfig('chart');
+      const inputNames = config?.inputs?.map((input: any) => input.name) || [];
+      
+      expect(inputNames).toContain('chartType');
+      expect(inputNames).toContain('data');
+      expect(inputNames).toContain('config');
+      expect(inputNames).toContain('xAxisKey');
+      expect(inputNames).toContain('series');
+      expect(inputNames).toContain('className');
+    });
+
+    it('should have chartType as enum input', () => {
+      const config = ComponentRegistry.getConfig('chart');
+      const chartTypeInput = config?.inputs?.find((input: any) => input.name === 'chartType');
+      
+      expect(chartTypeInput).toBeDefined();
+      expect(chartTypeInput?.type).toBe('enum');
+      expect(chartTypeInput?.enum).toBeDefined();
+      expect(Array.isArray(chartTypeInput?.enum)).toBe(true);
+      
+      const enumValues = chartTypeInput?.enum?.map((e: any) => e.value) || [];
+      expect(enumValues).toContain('bar');
+      expect(enumValues).toContain('line');
+      expect(enumValues).toContain('area');
+    });
+
+    it('should have data and series as required inputs', () => {
+      const config = ComponentRegistry.getConfig('chart');
+      const dataInput = config?.inputs?.find((input: any) => input.name === 'data');
+      const seriesInput = config?.inputs?.find((input: any) => input.name === 'series');
+      
+      expect(dataInput?.required).toBe(true);
+      expect(seriesInput?.required).toBe(true);
+    });
+
+    it('should have sensible default props', () => {
+      const config = ComponentRegistry.getConfig('chart');
+      const defaults = config?.defaultProps;
+      
+      expect(defaults).toBeDefined();
+      expect(defaults?.chartType).toBe('bar');
+      expect(defaults?.xAxisKey).toBe('name');
+      expect(defaults?.data).toBeDefined();
+      expect(Array.isArray(defaults?.data)).toBe(true);
+      expect(defaults?.data.length).toBeGreaterThan(0);
+      expect(defaults?.config).toBeDefined();
+      expect(typeof defaults?.config).toBe('object');
+      expect(defaults?.series).toBeDefined();
+      expect(Array.isArray(defaults?.series)).toBe(true);
+      expect(defaults?.series.length).toBeGreaterThan(0);
+    });
   });
 });
diff --git a/packages/plugin-editor/package.json b/packages/plugin-editor/package.json
index acbb08776..09ddecb94 100644
--- a/packages/plugin-editor/package.json
+++ b/packages/plugin-editor/package.json
@@ -16,6 +16,7 @@
   "scripts": {
     "build": "vite build",
     "test": "vitest run",
+    "test:watch": "vitest",
     "type-check": "tsc --noEmit",
     "lint": "eslint ."
   },
diff --git a/packages/plugin-editor/src/index.test.ts b/packages/plugin-editor/src/index.test.ts
index 7eb4084b1..3d1e07ec6 100644
--- a/packages/plugin-editor/src/index.test.ts
+++ b/packages/plugin-editor/src/index.test.ts
@@ -1,7 +1,90 @@
-import { describe, it, expect } from 'vitest';
+import { describe, it, expect, beforeAll } from 'vitest';
+import { ComponentRegistry } from '@object-ui/core';
 
-describe('@object-ui/plugin-editor', () => {
-  it('should pass', () => {
-    expect(true).toBe(true);
+describe('Plugin Editor', () => {
+  // Import all renderers to register them
+  beforeAll(async () => {
+    await import('./index');
+  });
+
+  describe('code-editor component', () => {
+    it('should be registered in ComponentRegistry', () => {
+      const editorRenderer = ComponentRegistry.get('code-editor');
+      expect(editorRenderer).toBeDefined();
+    });
+
+    it('should have proper metadata', () => {
+      const config = ComponentRegistry.getConfig('code-editor');
+      expect(config).toBeDefined();
+      expect(config?.label).toBe('Code Editor');
+      expect(config?.category).toBe('plugin');
+      expect(config?.inputs).toBeDefined();
+      expect(config?.defaultProps).toBeDefined();
+    });
+
+    it('should have expected inputs', () => {
+      const config = ComponentRegistry.getConfig('code-editor');
+      const inputNames = config?.inputs?.map((input: any) => input.name) || [];
+      
+      expect(inputNames).toContain('value');
+      expect(inputNames).toContain('language');
+      expect(inputNames).toContain('theme');
+      expect(inputNames).toContain('height');
+      expect(inputNames).toContain('readOnly');
+    });
+
+    it('should have language as enum input', () => {
+      const config = ComponentRegistry.getConfig('code-editor');
+      const languageInput = config?.inputs?.find((input: any) => input.name === 'language');
+      
+      expect(languageInput).toBeDefined();
+      expect(languageInput?.type).toBe('enum');
+      expect(languageInput?.enum).toBeDefined();
+      expect(Array.isArray(languageInput?.enum)).toBe(true);
+      
+      const enumValues = languageInput?.enum || [];
+      expect(enumValues).toContain('javascript');
+      expect(enumValues).toContain('typescript');
+      expect(enumValues).toContain('python');
+      expect(enumValues).toContain('json');
+      expect(enumValues).toContain('html');
+      expect(enumValues).toContain('css');
+    });
+
+    it('should have theme as enum input', () => {
+      const config = ComponentRegistry.getConfig('code-editor');
+      const themeInput = config?.inputs?.find((input: any) => input.name === 'theme');
+      
+      expect(themeInput).toBeDefined();
+      expect(themeInput?.type).toBe('enum');
+      expect(themeInput?.enum).toBeDefined();
+      expect(Array.isArray(themeInput?.enum)).toBe(true);
+      
+      const enumValues = themeInput?.enum || [];
+      expect(enumValues).toContain('vs-dark');
+      expect(enumValues).toContain('light');
+    });
+
+    it('should have sensible default props', () => {
+      const config = ComponentRegistry.getConfig('code-editor');
+      const defaults = config?.defaultProps;
+      
+      expect(defaults).toBeDefined();
+      expect(defaults?.value).toBeDefined();
+      expect(typeof defaults?.value).toBe('string');
+      expect(defaults?.language).toBe('javascript');
+      expect(defaults?.theme).toBe('vs-dark');
+      expect(defaults?.height).toBe('400px');
+      expect(defaults?.readOnly).toBe(false);
+    });
+
+    it('should have readOnly as boolean input', () => {
+      const config = ComponentRegistry.getConfig('code-editor');
+      const readOnlyInput = config?.inputs?.find((input: any) => input.name === 'readOnly');
+      
+      expect(readOnlyInput).toBeDefined();
+      expect(readOnlyInput?.type).toBe('boolean');
+      expect(readOnlyInput?.defaultValue).toBe(false);
+    });
   });
 });
diff --git a/packages/plugin-kanban/package.json b/packages/plugin-kanban/package.json
index 85b352c08..2ccb23358 100644
--- a/packages/plugin-kanban/package.json
+++ b/packages/plugin-kanban/package.json
@@ -16,6 +16,7 @@
   "scripts": {
     "build": "vite build",
     "test": "vitest run",
+    "test:watch": "vitest",
     "type-check": "tsc --noEmit",
     "lint": "eslint ."
   },
diff --git a/packages/plugin-kanban/src/index.test.ts b/packages/plugin-kanban/src/index.test.ts
index 241b2f2fa..57cf5f228 100644
--- a/packages/plugin-kanban/src/index.test.ts
+++ b/packages/plugin-kanban/src/index.test.ts
@@ -1,7 +1,104 @@
-import { describe, it, expect } from 'vitest';
+import { describe, it, expect, beforeAll } from 'vitest';
+import { ComponentRegistry } from '@object-ui/core';
 
-describe('@object-ui/plugin-kanban', () => {
-  it('should pass', () => {
-    expect(true).toBe(true);
+describe('Plugin Kanban', () => {
+  // Import all renderers to register them
+  beforeAll(async () => {
+    await import('./index');
+  });
+
+  describe('kanban component', () => {
+    it('should be registered in ComponentRegistry', () => {
+      const kanbanRenderer = ComponentRegistry.get('kanban');
+      expect(kanbanRenderer).toBeDefined();
+    });
+
+    it('should have proper metadata', () => {
+      const config = ComponentRegistry.getConfig('kanban');
+      expect(config).toBeDefined();
+      expect(config?.label).toBe('Kanban Board');
+      expect(config?.icon).toBe('LayoutDashboard');
+      expect(config?.category).toBe('plugin');
+      expect(config?.inputs).toBeDefined();
+      expect(config?.defaultProps).toBeDefined();
+    });
+
+    it('should have expected inputs', () => {
+      const config = ComponentRegistry.getConfig('kanban');
+      const inputNames = config?.inputs?.map((input: any) => input.name) || [];
+      
+      expect(inputNames).toContain('columns');
+      expect(inputNames).toContain('onCardMove');
+      expect(inputNames).toContain('className');
+    });
+
+    it('should have columns as required input', () => {
+      const config = ComponentRegistry.getConfig('kanban');
+      const columnsInput = config?.inputs?.find((input: any) => input.name === 'columns');
+      
+      expect(columnsInput).toBeDefined();
+      expect(columnsInput?.required).toBe(true);
+      expect(columnsInput?.type).toBe('array');
+      expect(columnsInput?.description).toBeDefined();
+    });
+
+    it('should have onCardMove as code input', () => {
+      const config = ComponentRegistry.getConfig('kanban');
+      const onCardMoveInput = config?.inputs?.find((input: any) => input.name === 'onCardMove');
+      
+      expect(onCardMoveInput).toBeDefined();
+      expect(onCardMoveInput?.type).toBe('code');
+      expect(onCardMoveInput?.advanced).toBe(true);
+      expect(onCardMoveInput?.description).toBeDefined();
+    });
+
+    it('should have sensible default props', () => {
+      const config = ComponentRegistry.getConfig('kanban');
+      const defaults = config?.defaultProps;
+      
+      expect(defaults).toBeDefined();
+      expect(defaults?.columns).toBeDefined();
+      expect(Array.isArray(defaults?.columns)).toBe(true);
+      expect(defaults?.columns.length).toBeGreaterThan(0);
+      expect(defaults?.className).toBe('w-full');
+    });
+
+    it('should have default columns with proper structure', () => {
+      const config = ComponentRegistry.getConfig('kanban');
+      const defaults = config?.defaultProps;
+      const columns = defaults?.columns || [];
+      
+      // Verify at least 3 columns exist (todo, in-progress, done)
+      expect(columns.length).toBeGreaterThanOrEqual(3);
+      
+      // Verify each column has required properties
+      columns.forEach((column: any) => {
+        expect(column.id).toBeDefined();
+        expect(column.title).toBeDefined();
+        expect(column.cards).toBeDefined();
+        expect(Array.isArray(column.cards)).toBe(true);
+      });
+      
+      // Verify at least one column has cards
+      const hasCards = columns.some((column: any) => column.cards.length > 0);
+      expect(hasCards).toBe(true);
+    });
+
+    it('should have cards with proper structure', () => {
+      const config = ComponentRegistry.getConfig('kanban');
+      const defaults = config?.defaultProps;
+      const columns = defaults?.columns || [];
+      
+      // Find a column with cards
+      const columnWithCards = columns.find((column: any) => column.cards.length > 0);
+      expect(columnWithCards).toBeDefined();
+      
+      const card = columnWithCards.cards[0];
+      expect(card.id).toBeDefined();
+      expect(card.title).toBeDefined();
+      expect(card.description).toBeDefined();
+      expect(card.badges).toBeDefined();
+      expect(Array.isArray(card.badges)).toBe(true);
+    });
   });
 });
diff --git a/packages/plugin-markdown/package.json b/packages/plugin-markdown/package.json
index 053d8d4ea..f42ebefa1 100644
--- a/packages/plugin-markdown/package.json
+++ b/packages/plugin-markdown/package.json
@@ -16,6 +16,7 @@
   "scripts": {
     "build": "vite build",
     "test": "vitest run",
+    "test:watch": "vitest",
     "type-check": "tsc --noEmit",
     "lint": "eslint ."
   },
diff --git a/packages/plugin-markdown/src/index.test.ts b/packages/plugin-markdown/src/index.test.ts
index a9985cd23..a457be4c4 100644
--- a/packages/plugin-markdown/src/index.test.ts
+++ b/packages/plugin-markdown/src/index.test.ts
@@ -1,7 +1,55 @@
-import { describe, it, expect } from 'vitest';
+import { describe, it, expect, beforeAll } from 'vitest';
+import { ComponentRegistry } from '@object-ui/core';
 
-describe('@object-ui/plugin-markdown', () => {
-  it('should pass', () => {
-    expect(true).toBe(true);
+describe('Plugin Markdown', () => {
+  // Import all renderers to register them
+  beforeAll(async () => {
+    await import('./index');
+  });
+
+  describe('markdown component', () => {
+    it('should be registered in ComponentRegistry', () => {
+      const markdownRenderer = ComponentRegistry.get('markdown');
+      expect(markdownRenderer).toBeDefined();
+    });
+
+    it('should have proper metadata', () => {
+      const config = ComponentRegistry.getConfig('markdown');
+      expect(config).toBeDefined();
+      expect(config?.label).toBe('Markdown');
+      expect(config?.category).toBe('plugin');
+      expect(config?.inputs).toBeDefined();
+      expect(config?.defaultProps).toBeDefined();
+    });
+
+    it('should have expected inputs', () => {
+      const config = ComponentRegistry.getConfig('markdown');
+      const inputNames = config?.inputs?.map((input: any) => input.name) || [];
+      
+      expect(inputNames).toContain('content');
+      expect(inputNames).toContain('className');
+    });
+
+    it('should have content as required input', () => {
+      const config = ComponentRegistry.getConfig('markdown');
+      const contentInput = config?.inputs?.find((input: any) => input.name === 'content');
+      
+      expect(contentInput).toBeDefined();
+      expect(contentInput?.required).toBe(true);
+      expect(contentInput?.type).toBe('string');
+      expect(contentInput?.inputType).toBe('textarea');
+    });
+
+    it('should have sensible default props', () => {
+      const config = ComponentRegistry.getConfig('markdown');
+      const defaults = config?.defaultProps;
+      
+      expect(defaults).toBeDefined();
+      expect(defaults?.content).toBeDefined();
+      expect(typeof defaults?.content).toBe('string');
+      expect(defaults?.content.length).toBeGreaterThan(0);
+      // Verify it contains markdown syntax
+      expect(defaults?.content).toContain('#');
+    });
   });
 });