def test_min_int32_on_error(self):
ex = 'ex'
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_next(150, 1),
on_error(210, ex))
res = scheduler.start(create=lambda: xs.pipe(ops.min())).messages
assert res == [on_error(210, ex)]
def test_min_int32_some(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(
on_next(150, 1), on_next(210, 2), on_next(220, 3),
on_next(230, 4), on_completed(250))
res = scheduler.start(create=lambda: xs.pipe(ops.min())).messages
assert res == [on_next(250, 2), on_completed(250)]
def test_min_int32_some(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_next(150, 1), on_next(210, 2),
on_next(220, 3), on_next(230, 4),
on_completed(250))
res = scheduler.start(create=lambda: xs.pipe(ops.min())).messages
assert res == [on_next(250, 2), on_completed(250)]
import rx
import rx.operators as ops
numbers = rx.from_([1, 2, 3, 4])
numbers.pipe(ops.min()).subscribe(
on_next=lambda i: print("on_next {}".format(i)),
on_error=lambda e: print("on_error: {}".format(e)),
on_completed=lambda: print("on_completed"))
op.average()
).subscribe(reporter)
print('=' * 25)
stocks2 = (('GOOG', 8.95), ('APPL', 7.65), ('APPL', 12.45), ('MSFT', 5.66), ('GOOG', 7.56), ('IBM', 12.76))
source1 = rx.from_list(stocks)
source2 = rx.from_list(stocks2)
# Find the max
rx.merge(source1, source2).pipe(
op.map(lambda v: v[1]),
op.max()
).subscribe(reporter)
print('-' * 25)
# Find the min
rx.merge(source1, source2).pipe(
op.map(lambda v: v[1]),
op.min()
).subscribe(reporter)
print('-' * 25)
# Only publish unique values
rx.merge(source1, source2).pipe(
op.distinct()
).subscribe(reporter)
"""this operator will give an observable with min value from the source observable
:parameter
comparer_function: optional param.
this function is used on source observables to compare values.
:return
it returns an observable with min value from the source observable.
"""
from rx import of, operators as op
o = of(12, 32, 41, 52, 62, 502, 555)
o.pipe(
# op.min(lambda t1, t2: t1 - t2), # Min value is 12
# op.min(lambda t1, t2: t2 - t1) # Min value is 555
op.min() # Min value is 12
).subscribe(lambda x: print("Min value is {}".format(x)))
rx.throw() rx.interval() rx.from_() rx.interval() rx.just() rx.range() rx.repeat_value() rx.start() rx.timer() """Mathematical""" op.average() op.concat() op.count() op.max() op.min() op.reduce() op.sum() """Transformation""" op.buffer() op.group_by() op.map() op.scan() # ... """Filtering""" op.debounce() op.distinct() op.filter() op.element_at()
def create():
return xs.pipe(ops.min(comparer))
def test_min_int32_never(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_next(150, 1))
res = scheduler.start(create=lambda: xs.pipe(ops.min())).messages
assert res == []
def test_min_int32_on_error(self):
ex = 'ex'
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_next(150, 1), on_error(210, ex))
res = scheduler.start(create=lambda: xs.pipe(ops.min())).messages
assert res == [on_error(210, ex)]
def create():
return xs.pipe(ops.min())
def create():
return xs.pipe(ops.min(comparer))
def test_min_int32_never(self):
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_next(150, 1))
res = scheduler.start(create=lambda: xs.pipe(ops.min())).messages
assert res == []
def create():
return xs.pipe(ops.min())