def test_reductions():
assert compute(mean(t['amount']), df) == 350./3
assert compute(count(t['amount']), df) == 3
assert compute(sum(t['amount']), df) == 100 + 200 + 50
assert compute(min(t['amount']), df) == 50
assert compute(max(t['amount']), df) == 200
assert compute(nunique(t['amount']), df) == 3
assert compute(nunique(t['name']), df) == 2
assert compute(any(t['amount'] > 150), df) == True
assert compute(any(t['amount'] > 250), df) == False
def test_reductions():
assert compute(mean(t['amount']), df) == 350./3
assert compute(count(t['amount']), df) == 3
assert compute(sum(t['amount']), df) == 100 + 200 + 50
assert compute(min(t['amount']), df) == 50
assert compute(max(t['amount']), df) == 200
assert compute(nunique(t['amount']), df) == 3
assert compute(nunique(t['name']), df) == 2
assert compute(any(t['amount'] > 150), df) == True
assert compute(any(t['amount'] > 250), df) == False
assert compute(var(t['amount']), df) == df.amount.var(ddof=0)
assert compute(var(t['amount'], unbiased=True), df) == df.amount.var()
assert compute(std(t['amount']), df) == df.amount.std(ddof=0)
assert compute(std(t['amount'], unbiased=True), df) == df.amount.std()
def test_nunique():
result = str(computefull(nunique(t['amount']), s))
print(result)
assert 'distinct' in result.lower()
assert 'count' in result.lower()
assert 'amount' in result.lower()
def test_nunique():
result = str(computefull(nunique(t['amount']), s))
print(result)
assert 'distinct' in result.lower()
assert 'count' in result.lower()
assert 'amount' in result.lower()
