fix: update tests to handle new experimental diff option and increase the default confidence to 1

src/core/diff/DiffStrategy.ts

@@ -7,14 +7,11 @@ import { NewUnifiedDiffStrategy } from './strategies/new-unified'
  * @param model The name of the model being used (e.g., 'gpt-4', 'claude-3-opus')
  * @returns The appropriate diff strategy for the model
  */
-export function getDiffStrategy(model: string, fuzzyMatchThreshold?: number, experimentalDiffStrategy?: boolean): DiffStrategy {
+export function getDiffStrategy(model: string, fuzzyMatchThreshold?: number, experimentalDiffStrategy: boolean = false): DiffStrategy {
     if (experimentalDiffStrategy) {
-        // Use the fuzzyMatchThreshold with a minimum of 0.8 (80%)
-        const threshold = Math.max(fuzzyMatchThreshold ?? 1.0, 0.8)
-        return new NewUnifiedDiffStrategy(threshold)
+        return new NewUnifiedDiffStrategy(fuzzyMatchThreshold)
     }
-    // Default to the stable SearchReplaceDiffStrategy
-    return new SearchReplaceDiffStrategy()
+    return new SearchReplaceDiffStrategy(fuzzyMatchThreshold)
 }
 
 export type { DiffStrategy }

src/core/diff/strategies/__tests__/new-unified.test.ts

@@ -11,7 +11,7 @@ describe('main', () => {
   describe('constructor', () => {
     it('should use default confidence threshold when not provided', () => {
       const defaultStrategy = new NewUnifiedDiffStrategy()
-      expect(defaultStrategy['confidenceThreshold']).toBe(0.9)
+      expect(defaultStrategy['confidenceThreshold']).toBe(1)
     })
 
     it('should use provided confidence threshold', () => {

src/core/diff/strategies/new-unified/index.ts

@@ -6,8 +6,8 @@ import { DiffResult, DiffStrategy } from "../../types"
 export class NewUnifiedDiffStrategy implements DiffStrategy {
 	private readonly confidenceThreshold: number
 
-	constructor(confidenceThreshold: number = 0.9) {
-		this.confidenceThreshold = Math.max(confidenceThreshold, 0.8)
+	constructor(confidenceThreshold: number = 1) {
+		this.confidenceThreshold = Math.max(confidenceThreshold, 0.8);
 	}
 
 	private parseUnifiedDiff(diff: string): Diff {