Add new parameter list-files for when there are multiple files in a report

__tests__/report/get-report.test.ts

@@ -1,4 +1,5 @@
-import {getBadge, DEFAULT_OPTIONS, ReportOptions} from '../../src/report/get-report'
+import {DEFAULT_OPTIONS, getBadge, getReport, ReportOptions} from '../../src/report/get-report'
+import {TestCaseResult, TestGroupResult, TestRunResult, TestSuiteResult} from '../../src/test-results'
 
 describe('getBadge', () => {
   describe('URI encoding with special characters', () => {
@@ -118,3 +119,144 @@ describe('getBadge', () => {
   })
 })
 
+describe('getReport', () => {
+  // Helper function to create test results
+  function createTestResult(path: string, passed: number, failed: number, skipped: number): TestRunResult {
+    const tests: TestCaseResult[] = []
+    for (let i = 0; i < passed; i++) {
+      tests.push(new TestCaseResult(`passed-test-${i}`, 'success', 100))
+    }
+    for (let i = 0; i < failed; i++) {
+      tests.push(new TestCaseResult(`failed-test-${i}`, 'failed', 100, {
+        details: 'Test failed',
+        message: 'Assertion error'
+      }))
+    }
+    for (let i = 0; i < skipped; i++) {
+      tests.push(new TestCaseResult(`skipped-test-${i}`, 'skipped', 0))
+    }
+
+    const group = new TestGroupResult('test-group', tests)
+    const suite = new TestSuiteResult('test-suite', [group])
+    return new TestRunResult(path, [suite])
+  }
+
+  describe('list-files parameter', () => {
+    const results = [
+      createTestResult('passing-file.spec.ts', 5, 0, 0),
+      createTestResult('failing-file.spec.ts', 3, 2, 1),
+      createTestResult('passing-with-skipped-file.spec.ts', 8, 0, 2)
+    ]
+
+    it('shows all files when list-files is "all"', () => {
+      const report = getReport(results, {
+        ...DEFAULT_OPTIONS,
+        listFiles: 'all',
+        listSuites: 'none',
+        listTests: 'none'
+      })
+
+      expect(report).toContain('passing-file.spec.ts')
+      expect(report).toContain('failing-file.spec.ts')
+      expect(report).toContain('passing-with-skipped-file.spec.ts')
+    })
+
+    it('shows only failed files when list-files is "failed"', () => {
+      const report = getReport(results, {
+        ...DEFAULT_OPTIONS,
+        listFiles: 'failed',
+        listSuites: 'none',
+        listTests: 'none'
+      })
+
+      expect(report).not.toContain('passing-file.spec.ts')
+      expect(report).toContain('failing-file.spec.ts')
+      expect(report).not.toContain('passing-with-skipped-file.spec.ts')
+    })
+
+    it('shows no file details when list-files is "none"', () => {
+      const report = getReport(results, {
+        ...DEFAULT_OPTIONS,
+        listFiles: 'none',
+        listSuites: 'none',
+        listTests: 'none'
+      })
+
+      // Should still have badge
+      expect(report).toContain('![')
+      // Should not have file names in detail sections
+      expect(report).not.toContain('passing-file.spec.ts')
+      expect(report).not.toContain('failing-file.spec.ts')
+      expect(report).not.toContain('passing-with-skipped-file.spec.ts')
+    })
+
+    it('includes summary table even with list-files "none"', () => {
+      const report = getReport(results, {
+        ...DEFAULT_OPTIONS,
+        listFiles: 'none',
+        listSuites: 'all',
+        listTests: 'none'
+      })
+
+      // Badge should still be present
+      expect(report).toContain('![')
+      expect(report).toContain('badge')
+      // File names should not be present
+      expect(report).not.toContain('passing-file.spec.ts')
+      expect(report).not.toContain('failing-file.spec.ts')
+      expect(report).not.toContain('passing-with-skipped-file.spec.ts')
+    })
+
+    it('works correctly with list-suites and list-tests when list-files is "failed"', () => {
+      const report = getReport(results, {
+        ...DEFAULT_OPTIONS,
+        listFiles: 'failed',
+        listSuites: 'all',
+        listTests: 'all'
+      })
+
+      expect(report).not.toContain('passing-file.spec.ts')
+      expect(report).toContain('failing-file.spec.ts')
+      expect(report).not.toContain('passing-with-skipped-file.spec.ts')
+      // Should show suite details for the failed file
+      expect(report).toContain('test-suite')
+    })
+
+    it('filters correctly when all files pass and list-files is "failed"', () => {
+      const allPassingResults = [
+        createTestResult('passing-file-1.spec.ts', 5, 0, 0),
+        createTestResult('passing-file-2.spec.ts', 8, 0, 2)
+      ]
+
+      const report = getReport(allPassingResults, {
+        ...DEFAULT_OPTIONS,
+        listFiles: 'failed',
+        listSuites: 'all',
+        listTests: 'none'
+      })
+
+      expect(report).not.toContain('passing-file-1.spec.ts')
+      expect(report).not.toContain('passing-file-2.spec.ts')
+      // Badge should still be present
+      expect(report).toContain('![')
+      expect(report).toContain('badge')
+    })
+
+    it('filters correctly when all files fail and list-files is "failed"', () => {
+      const allFailingResults = [
+        createTestResult('failing-file-1.spec.ts', 0, 5, 0),
+        createTestResult('failing-file-2.spec.ts', 1, 2, 1)
+      ]
+
+      const report = getReport(allFailingResults, {
+        ...DEFAULT_OPTIONS,
+        listFiles: 'failed',
+        listSuites: 'all',
+        listTests: 'none'
+      })
+
+      expect(report).toContain('failing-file-1.spec.ts')
+      expect(report).toContain('failing-file-2.spec.ts')
+    })
+  })
+})