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test: add fib regression tests and check runner for Issue #21 #59

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2 changes: 1 addition & 1 deletion Dynamic-Programming/FastFibonacciNumber.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,4 +22,4 @@ const fastFibonacci = (N) => {
return fib(N)[0]
}

export { fastFibonacci }
export { fastFibonacci, fib }
12 changes: 11 additions & 1 deletion Dynamic-Programming/tests/FastFibonacciNumber.test.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { fastFibonacci } from '../FastFibonacciNumber'
import { fastFibonacci, fib } from '../FastFibonacciNumber'

describe('Testing FibonacciNumber', () => {
const errorCases = ['0', '12', true]
Expand All @@ -21,3 +21,13 @@ describe('Testing FibonacciNumber', () => {
expect(fastFibonacci(input)).toBe(expected)
})
})

describe('fib regression contract', () => {
test('fib returns correct [F(n), F(n+1)] tuple pairs', () => {
expect(fib(0)).toEqual([0, 1])
expect(fib(1)).toEqual([1, 1])
expect(fib(2)).toEqual([1, 2])
expect(fib(5)).toEqual([5, 8])
expect(fib(10)).toEqual([55, 89])
})
})
32 changes: 32 additions & 0 deletions work/R50-T021/check.py
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@@ -0,0 +1,32 @@
import os
import subprocess
import json
import sys

def run_checks():
work_dir = "work/R50-T021"
os.makedirs(work_dir, exist_ok=True)

# 1. Capture system versions
node_ver = subprocess.check_output(["node", "-v"]).decode().strip()
npm_ver = subprocess.check_output(["npm", "-v"]).decode().strip()
with open(f"{work_dir}/versions.json", "w") as f:
json.dump({"node": node_ver, "npm": npm_ver}, f, indent=2)

# 2. Run Vitest non-interactively
cmd = ["npx", "vitest", "run", "Dynamic-Programming/tests/FastFibonacciNumber.test.js"]
res = subprocess.run(cmd, capture_output=True, text=True)

with open(f"{work_dir}/test_output.log", "w") as f:
f.write(res.stdout + "\n" + res.stderr)

if res.returncode == 0:
with open(f"{work_dir}/fixture_results.json", "w") as f:
json.dump({"status": "PASSED", "task": "R50-T021"}, f, indent=2)
print("All checks passed.")
else:
print("Tests failed!")
sys.exit(1)

if __name__ == "__main__":
run_checks()
4 changes: 4 additions & 0 deletions work/R50-T021/fixture_results.json
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@@ -0,0 +1,4 @@
{
"status": "PASSED",
"task": "R50-T021"
}
11 changes: 11 additions & 0 deletions work/R50-T021/test_output.log
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@@ -0,0 +1,11 @@

 RUN  v5.1.0 /Users/fabulous_tarun8/Library/Mobile Documents/com~apple~CloudDocs/Studies/s&ai/diwaliHomework/TheAlgorithms-JavaScript

✓ Dynamic-Programming/tests/FastFibonacciNumber.test.js (9 tests) 2ms

 Test Files  1 passed (1)
 Tests  9 passed (9)
 Start at  07:55:20
 Duration  83ms (transform 48%, import 21%, worker 17%, tests 13%)


4 changes: 4 additions & 0 deletions work/R50-T021/versions.json
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@@ -0,0 +1,4 @@
{
"node": "v26.12.1",
"npm": "11.20.0"
}