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e9aaa708fe
Add High Impact Files section to initial context showing which files are most critical based on percentage of codebase that depends on them. Changes: - Add impactScore field to FileMeta (0-100) - Add calculateImpactScore() helper function - Update MetaAnalyzer to compute impact scores - Add formatHighImpactFiles() to prompts.ts - Add includeHighImpactFiles config option (default: true) - 28 new tests (1826 total)
98 lines
3.3 KiB
TypeScript
98 lines
3.3 KiB
TypeScript
import { describe, it, expect } from "vitest"
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import {
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calculateImpactScore,
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createFileMeta,
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isHubFile,
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} from "../../../../src/domain/value-objects/FileMeta.js"
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describe("FileMeta", () => {
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describe("createFileMeta", () => {
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it("should create FileMeta with defaults", () => {
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const meta = createFileMeta()
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expect(meta.complexity.loc).toBe(0)
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expect(meta.complexity.nesting).toBe(0)
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expect(meta.complexity.cyclomaticComplexity).toBe(1)
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expect(meta.complexity.score).toBe(0)
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expect(meta.dependencies).toEqual([])
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expect(meta.dependents).toEqual([])
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expect(meta.isHub).toBe(false)
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expect(meta.isEntryPoint).toBe(false)
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expect(meta.fileType).toBe("unknown")
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expect(meta.impactScore).toBe(0)
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})
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it("should merge partial values", () => {
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const meta = createFileMeta({
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isHub: true,
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fileType: "source",
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dependencies: ["dep1.ts"],
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})
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expect(meta.isHub).toBe(true)
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expect(meta.fileType).toBe("source")
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expect(meta.dependencies).toEqual(["dep1.ts"])
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expect(meta.dependents).toEqual([])
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})
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})
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describe("isHubFile", () => {
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it("should return true for >5 dependents", () => {
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expect(isHubFile(6)).toBe(true)
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expect(isHubFile(10)).toBe(true)
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})
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it("should return false for <=5 dependents", () => {
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expect(isHubFile(5)).toBe(false)
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expect(isHubFile(0)).toBe(false)
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})
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})
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describe("calculateImpactScore", () => {
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it("should return 0 for file with 0 dependents", () => {
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expect(calculateImpactScore(0, 10)).toBe(0)
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})
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it("should return 0 when totalFiles is 0", () => {
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expect(calculateImpactScore(5, 0)).toBe(0)
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})
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it("should return 0 when totalFiles is 1", () => {
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expect(calculateImpactScore(0, 1)).toBe(0)
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})
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it("should calculate correct percentage", () => {
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// 5 dependents out of 10 files (excluding itself = 9 possible)
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// 5/9 * 100 = 55.56 → rounded to 56
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expect(calculateImpactScore(5, 10)).toBe(56)
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})
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it("should return 100 when all other files depend on it", () => {
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// 9 dependents out of 10 files (9 possible dependents)
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expect(calculateImpactScore(9, 10)).toBe(100)
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})
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it("should cap at 100", () => {
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// Edge case: more dependents than possible (shouldn't happen normally)
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expect(calculateImpactScore(20, 10)).toBe(100)
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})
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it("should round the percentage", () => {
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// 1 dependent out of 3 files (2 possible)
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// 1/2 * 100 = 50
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expect(calculateImpactScore(1, 3)).toBe(50)
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})
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it("should calculate impact for small projects", () => {
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// 1 dependent out of 2 files (1 possible)
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expect(calculateImpactScore(1, 2)).toBe(100)
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})
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it("should calculate impact for larger projects", () => {
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// 50 dependents out of 100 files (99 possible)
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// 50/99 * 100 = 50.51 → rounded to 51
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expect(calculateImpactScore(50, 100)).toBe(51)
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})
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})
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})
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