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from memray import AllocatorType
from memray.reporters.table import TableReporter
from tests.utils import MockAllocationRecord
class TestTableReporter:
def test_empty_report(self):
# GIVEN / WHEN
table = TableReporter.from_snapshot([], memory_records=[], native_traces=False)
# THEN
assert table.data == []
def test_single_allocation(self):
# GIVEN
peak_allocations = [
MockAllocationRecord(
tid=1,
address=0x1000000,
size=1024,
allocator=AllocatorType.MALLOC,
stack_id=1,
n_allocations=1,
_stack=[
("me", "fun.py", 12),
],
),
]
# WHEN
table = TableReporter.from_snapshot(
peak_allocations, memory_records=[], native_traces=False
)
# THEN
assert table.data == [
{
"tid": "0x1",
"size": 1024,
"allocator": "malloc",
"n_allocations": 1,
"stack_trace": "me at fun.py:12",
}
]
def test_single_native_allocation(self):
# GIVEN
peak_allocations = [
MockAllocationRecord(
tid=1,
address=0x1000000,
size=1024,
allocator=AllocatorType.MALLOC,
stack_id=1,
n_allocations=1,
_hybrid_stack=[
("me", "fun.c", 12),
],
),
]
# WHEN
table = TableReporter.from_snapshot(
peak_allocations, memory_records=[], native_traces=True
)
# THEN
assert table.data == [
{
"tid": "0x1",
"size": 1024,
"allocator": "malloc",
"n_allocations": 1,
"stack_trace": "me at fun.c:12",
}
]
def test_multiple_allocations(self):
# GIVEN
peak_allocations = [
MockAllocationRecord(
tid=1,
address=0x1000000,
size=1024,
allocator=AllocatorType.MALLOC,
stack_id=1,
n_allocations=1,
_stack=[
("me", "foo.py", 12),
],
),
MockAllocationRecord(
tid=1,
address=0x1100000,
size=2048,
allocator=AllocatorType.VALLOC,
stack_id=2,
n_allocations=10,
_stack=[
("you", "bar.py", 21),
],
),
]
# WHEN
table = TableReporter.from_snapshot(
peak_allocations, memory_records=[], native_traces=False
)
# THEN
assert table.data == [
{
"tid": "0x1",
"size": 1024,
"allocator": "malloc",
"n_allocations": 1,
"stack_trace": "me at foo.py:12",
},
{
"tid": "0x1",
"size": 2048,
"allocator": "valloc",
"n_allocations": 10,
"stack_trace": "you at bar.py:21",
},
]
def test_empty_stack_trace(self):
# GIVEN
peak_allocations = [
MockAllocationRecord(
tid=1,
address=0x1000000,
size=1024,
allocator=AllocatorType.MALLOC,
stack_id=1,
n_allocations=1,
_stack=[],
),
]
# WHEN
table = TableReporter.from_snapshot(
peak_allocations, memory_records=[], native_traces=False
)
# THEN
assert table.data == [
{
"tid": "0x1",
"size": 1024,
"allocator": "malloc",
"n_allocations": 1,
"stack_trace": "???",
}
]
|
