feat(ci): test boilerplates

spec/cache_spec.lua

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+describe('cp.cache', function()
+  local cache
+
+  before_each(function()
+    cache = require('cp.cache')
+    cache.load()
+  end)
+
+  after_each(function()
+    cache.clear_contest_data('atcoder', 'test_contest')
+    cache.clear_contest_data('codeforces', 'test_contest')
+    cache.clear_contest_data('cses', 'test_contest')
+  end)
+
+  describe('load and save', function()
+    it('loads without error when cache file exists', function()
+      assert.has_no_errors(function()
+        cache.load()
+      end)
+    end)
+
+    it('saves and persists data', function()
+      local problems = { { id = 'A', name = 'Problem A' } }
+
+      assert.has_no_errors(function()
+        cache.set_contest_data('atcoder', 'test_contest', problems)
+      end)
+
+      local result = cache.get_contest_data('atcoder', 'test_contest')
+      assert.is_not_nil(result)
+      assert.equals('A', result.problems[1].id)
+    end)
+  end)
+
+  describe('contest data', function()
+    it('stores and retrieves contest data', function()
+      local problems = {
+        { id = 'A', name = 'First Problem' },
+        { id = 'B', name = 'Second Problem' }
+      }
+
+      cache.set_contest_data('codeforces', 'test_contest', problems)
+      local result = cache.get_contest_data('codeforces', 'test_contest')
+
+      assert.is_not_nil(result)
+      assert.equals(2, #result.problems)
+      assert.equals('A', result.problems[1].id)
+      assert.equals('Second Problem', result.problems[2].name)
+    end)
+
+    it('returns nil for missing contest', function()
+      local result = cache.get_contest_data('atcoder', 'nonexistent_contest')
+      assert.is_nil(result)
+    end)
+
+    it('clears contest data', function()
+      local problems = { { id = 'A' } }
+      cache.set_contest_data('atcoder', 'test_contest', problems)
+
+      cache.clear_contest_data('atcoder', 'test_contest')
+      local result = cache.get_contest_data('atcoder', 'test_contest')
+
+      assert.is_nil(result)
+    end)
+
+    it('handles cses expiry correctly', function()
+      local problems = { { id = 'A' } }
+      cache.set_contest_data('cses', 'test_contest', problems)
+
+      local result = cache.get_contest_data('cses', 'test_contest')
+      assert.is_not_nil(result)
+      assert.is_not_nil(result.expires_at)
+    end)
+  end)
+
+  describe('test cases', function()
+    it('stores and retrieves test cases', function()
+      local test_cases = {
+        { index = 1, input = '1 2', expected = '3' },
+        { index = 2, input = '4 5', expected = '9' }
+      }
+
+      cache.set_test_cases('atcoder', 'test_contest', 'A', test_cases)
+      local result = cache.get_test_cases('atcoder', 'test_contest', 'A')
+
+      assert.is_not_nil(result)
+      assert.equals(2, #result)
+      assert.equals('1 2', result[1].input)
+      assert.equals('9', result[2].expected)
+    end)
+
+    it('handles contest-level test cases', function()
+      local test_cases = { { input = 'test', expected = 'output' } }
+
+      cache.set_test_cases('cses', 'test_contest', nil, test_cases)
+      local result = cache.get_test_cases('cses', 'test_contest', nil)
+
+      assert.is_not_nil(result)
+      assert.equals(1, #result)
+      assert.equals('test', result[1].input)
+    end)
+
+    it('returns nil for missing test cases', function()
+      local result = cache.get_test_cases('atcoder', 'nonexistent', 'A')
+      assert.is_nil(result)
+    end)
+  end)
+end)

spec/command_parsing_spec.lua

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+describe('cp command parsing', function()
+  local cp
+
+  before_each(function()
+    cp = require('cp')
+    cp.setup()
+  end)
+
+  describe('contest commands', function()
+    it('parses contest selection command', function()
+    end)
+
+    it('validates contest parameters', function()
+    end)
+
+    it('handles invalid contest names', function()
+    end)
+  end)
+
+  describe('problem commands', function()
+    it('parses problem selection command', function()
+    end)
+
+    it('handles problem identifiers correctly', function()
+    end)
+
+    it('validates problem parameters', function()
+    end)
+  end)
+
+  describe('scraping commands', function()
+    it('parses scrape command with platform', function()
+    end)
+
+    it('handles platform-specific parameters', function()
+    end)
+
+    it('validates scraper availability', function()
+    end)
+  end)
+
+  describe('test commands', function()
+    it('parses test execution command', function()
+    end)
+
+    it('handles test navigation commands', function()
+    end)
+
+    it('parses test panel commands', function()
+    end)
+  end)
+
+  describe('error handling', function()
+    it('handles malformed commands gracefully', function()
+    end)
+
+    it('provides helpful error messages', function()
+    end)
+
+    it('suggests corrections for typos', function()
+    end)
+  end)
+end)

spec/execute_spec.lua

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+describe('cp.execute', function()
+  local execute
+
+  before_each(function()
+    execute = require('cp.execute')
+  end)
+
+  describe('compilation', function()
+    it('compiles cpp files correctly', function()
+    end)
+
+    it('handles compilation errors gracefully', function()
+    end)
+
+    it('uses correct compiler flags', function()
+    end)
+  end)
+
+  describe('test execution', function()
+    it('runs tests against sample input', function()
+    end)
+
+    it('captures program output correctly', function()
+    end)
+
+    it('handles execution timeouts', function()
+    end)
+
+    it('detects runtime errors', function()
+    end)
+  end)
+
+  describe('result comparison', function()
+    it('compares output with expected results', function()
+    end)
+
+    it('handles whitespace differences correctly', function()
+    end)
+
+    it('reports differences clearly', function()
+    end)
+  end)
+
+  describe('debug mode execution', function()
+    it('runs programs with debug flags', function()
+    end)
+
+    it('provides debugging information', function()
+    end)
+
+    it('handles debug mode timeouts', function()
+    end)
+  end)
+
+  describe('batch execution', function()
+    it('runs multiple test cases sequentially', function()
+    end)
+
+    it('reports aggregate results', function()
+    end)
+
+    it('stops on first failure when configured', function()
+    end)
+  end)
+end)

spec/health_spec.lua

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+describe('cp.health', function()
+  local health
+
+  before_each(function()
+    health = require('cp.health')
+  end)
+
+  describe('dependency checks', function()
+    it('checks for python availability', function()
+    end)
+
+    it('validates scraper dependencies', function()
+    end)
+
+    it('checks uv installation', function()
+    end)
+  end)
+
+  describe('scraper validation', function()
+    it('validates codeforces scraper', function()
+    end)
+
+    it('validates atcoder scraper', function()
+    end)
+
+    it('validates cses scraper', function()
+    end)
+  end)
+
+  describe('configuration validation', function()
+    it('checks config file validity', function()
+    end)
+
+    it('validates language configurations', function()
+    end)
+
+    it('checks snippet configurations', function()
+    end)
+  end)
+
+  describe('system checks', function()
+    it('checks file permissions', function()
+    end)
+
+    it('validates cache directory access', function()
+    end)
+
+    it('checks network connectivity', function()
+    end)
+  end)
+end)

spec/integration_spec.lua

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+describe('cp integration', function()
+  local cp
+
+  before_each(function()
+    cp = require('cp')
+    cp.setup()
+  end)
+
+  describe('full workflow', function()
+    it('handles complete contest setup workflow', function()
+    end)
+
+    it('integrates scraping with problem creation', function()
+    end)
+
+    it('coordinates between modules correctly', function()
+    end)
+  end)
+
+  describe('scraper integration', function()
+    it('integrates with python scrapers correctly', function()
+    end)
+
+    it('handles scraper communication properly', function()
+    end)
+
+    it('processes scraper output correctly', function()
+    end)
+  end)
+
+  describe('buffer coordination', function()
+    it('manages multiple buffers correctly', function()
+    end)
+
+    it('coordinates window layouts properly', function()
+    end)
+
+    it('handles buffer state consistency', function()
+    end)
+  end)
+
+  describe('cache and persistence', function()
+    it('maintains data consistency across sessions', function()
+    end)
+
+    it('handles concurrent access properly', function()
+    end)
+
+    it('recovers from interrupted operations', function()
+    end)
+  end)
+
+  describe('error propagation', function()
+    it('handles errors across module boundaries', function()
+    end)
+
+    it('provides coherent error messages', function()
+    end)
+
+    it('maintains system stability on errors', function()
+    end)
+  end)
+
+  describe('performance', function()
+    it('handles large contest data efficiently', function()
+    end)
+
+    it('manages memory usage appropriately', function()
+    end)
+
+    it('maintains responsiveness during operations', function()
+    end)
+  end)
+end)

spec/problem_spec.lua

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+describe('cp.problem', function()
+  local problem
+
+  before_each(function()
+    problem = require('cp.problem')
+  end)
+
+  describe('problem creation', function()
+    it('creates problem files with correct naming', function()
+    end)
+
+    it('applies language-specific templates', function()
+    end)
+
+    it('sets up directory structure correctly', function()
+    end)
+  end)
+
+  describe('problem metadata', function()
+    it('extracts problem information correctly', function()
+    end)
+
+    it('handles missing metadata gracefully', function()
+    end)
+
+    it('validates problem identifiers', function()
+    end)
+  end)
+
+  describe('file management', function()
+    it('creates solution files in correct locations', function()
+    end)
+
+    it('handles existing files appropriately', function()
+    end)
+
+    it('manages backup files correctly', function()
+    end)
+  end)
+
+  describe('buffer setup', function()
+    it('opens problem files in appropriate buffers', function()
+    end)
+
+    it('sets correct buffer options', function()
+    end)
+
+    it('applies filetype-specific settings', function()
+    end)
+  end)
+end)

spec/scraper_spec.lua

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+describe('cp.scrape', function()
+  local scrape
+
+  before_each(function()
+    scrape = require('cp.scrape')
+  end)
+
+  describe('platform detection', function()
+    it('detects codeforces contests correctly', function()
+    end)
+
+    it('detects atcoder contests correctly', function()
+    end)
+
+    it('detects cses problems correctly', function()
+    end)
+
+    it('handles invalid contest identifiers', function()
+    end)
+  end)
+
+  describe('metadata scraping', function()
+    it('retrieves contest metadata from scrapers', function()
+    end)
+
+    it('parses problem lists correctly', function()
+    end)
+
+    it('handles scraper failures gracefully', function()
+    end)
+
+    it('validates scraped data structure', function()
+    end)
+  end)
+
+  describe('test case scraping', function()
+    it('retrieves test cases for problems', function()
+    end)
+
+    it('handles missing test cases', function()
+    end)
+
+    it('validates test case format', function()
+    end)
+
+    it('processes multiple test cases correctly', function()
+    end)
+  end)
+
+  describe('cache integration', function()
+    it('stores scraped data in cache', function()
+    end)
+
+    it('retrieves cached data when available', function()
+    end)
+
+    it('respects cache expiry settings', function()
+    end)
+
+    it('handles cache invalidation correctly', function()
+    end)
+  end)
+
+  describe('error handling', function()
+    it('handles network connectivity issues', function()
+    end)
+
+    it('reports scraper execution errors', function()
+    end)
+
+    it('provides meaningful error messages', function()
+    end)
+  end)
+end)

spec/snippets_spec.lua

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+describe('cp.snippets', function()
+  local snippets
+
+  before_each(function()
+    snippets = require('cp.snippets')
+  end)
+
+  describe('snippet loading', function()
+    it('loads default snippets correctly', function()
+    end)
+
+    it('loads user snippets from config', function()
+    end)
+
+    it('handles missing snippet files gracefully', function()
+    end)
+  end)
+
+  describe('snippet expansion', function()
+    it('expands basic templates correctly', function()
+    end)
+
+    it('handles language-specific snippets', function()
+    end)
+
+    it('processes snippet placeholders', function()
+    end)
+  end)
+
+  describe('template generation', function()
+    it('generates cpp templates', function()
+    end)
+
+    it('generates python templates', function()
+    end)
+
+    it('applies contest-specific templates', function()
+    end)
+  end)
+
+  describe('buffer integration', function()
+    it('inserts snippets into current buffer', function()
+    end)
+
+    it('positions cursor correctly after expansion', function()
+    end)
+
+    it('handles multiple snippet insertions', function()
+    end)
+  end)
+end)

spec/test_panel_spec.lua

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+describe('cp test panel', function()
+  local cp
+
+  before_each(function()
+    cp = require('cp')
+    cp.setup()
+    vim.cmd('silent! %bwipeout!')
+  end)
+
+  after_each(function()
+    vim.cmd('silent! %bwipeout!')
+  end)
+
+  describe('panel creation', function()
+    it('creates test panel buffers', function()
+    end)
+
+    it('sets up correct window layout', function()
+    end)
+
+    it('applies correct buffer settings', function()
+    end)
+
+    it('sets up keymaps correctly', function()
+    end)
+  end)
+
+  describe('test case display', function()
+    it('renders test case tabs correctly', function()
+    end)
+
+    it('displays input correctly', function()
+    end)
+
+    it('displays expected output correctly', function()
+    end)
+
+    it('displays actual output correctly', function()
+    end)
+
+    it('shows diff when test fails', function()
+    end)
+  end)
+
+  describe('navigation', function()
+    it('navigates to next test case', function()
+    end)
+
+    it('navigates to previous test case', function()
+    end)
+
+    it('wraps around at boundaries', function()
+    end)
+
+    it('updates display on navigation', function()
+    end)
+  end)
+
+  describe('test execution integration', function()
+    it('compiles and runs tests automatically', function()
+    end)
+
+    it('updates results in real-time', function()
+    end)
+
+    it('handles compilation failures', function()
+    end)
+
+    it('shows execution time', function()
+    end)
+  end)
+
+  describe('session management', function()
+    it('saves and restores session correctly', function()
+    end)
+
+    it('handles multiple panels gracefully', function()
+    end)
+
+    it('cleans up resources on close', function()
+    end)
+  end)
+end)