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"""
Tests for MapBuilder
"""
from datetime import datetime, timedelta
import pytest
from maggma.builders import CopyBuilder
from maggma.stores import MemoryStore
@pytest.fixture()
def source():
store = MemoryStore("source", key="k", last_updated_field="lu")
store.connect()
store.ensure_index("k")
store.ensure_index("lu")
return store
@pytest.fixture()
def target():
store = MemoryStore("target", key="k", last_updated_field="lu")
store.connect()
store.ensure_index("k")
store.ensure_index("lu")
return store
@pytest.fixture(scope="module")
def now():
return datetime.utcnow()
@pytest.fixture()
def old_docs(now):
return [{"lu": now, "k": k, "v": "old"} for k in range(20)]
@pytest.fixture()
def new_docs(now):
toc = now + timedelta(seconds=1)
return [{"lu": toc, "k": k, "v": "new"} for k in range(10)]
@pytest.fixture()
def some_failed_old_docs(now):
docs = [{"lu": now, "k": k, "v": "old", "state": "failed"} for k in range(3)]
docs.extend([{"lu": now, "k": k, "v": "old", "state": "failed"} for k in range(18, 20)])
return docs
def test_get_items(source, target, old_docs, some_failed_old_docs):
builder = CopyBuilder(source, target)
source.update(old_docs)
assert len(list(builder.get_items())) == len(old_docs)
target.update(old_docs)
assert len(list(builder.get_items())) == 0
builder = CopyBuilder(source, target, projection=["k"])
target.remove_docs({})
assert len(list(builder.get_items())) == len(old_docs)
assert all("v" not in d for d in builder.get_items())
source.update(some_failed_old_docs)
target.update(old_docs)
target.update(some_failed_old_docs)
builder = CopyBuilder(source, target)
assert len(list(builder.get_items())) == 0
builder = CopyBuilder(source, target, retry_failed=True)
assert len(list(builder.get_items())) == len(some_failed_old_docs)
builder = CopyBuilder(source, target, query={"k": {"$lt": 11}})
assert len(list(builder.get_items())) == 0
builder = CopyBuilder(source, target, retry_failed=True, query={"k": {"$lt": 11}})
assert len(list(builder.get_items())) == 3
def test_process_item(source, target, old_docs):
builder = CopyBuilder(source, target)
source.update(old_docs)
items = list(builder.get_items())
assert len(items) == len(list(map(builder.process_item, items)))
def test_update_targets(source, target, old_docs, new_docs):
builder = CopyBuilder(source, target)
builder.update_targets(old_docs)
builder.update_targets(new_docs)
assert target.query_one(criteria={"k": 0})["v"] == "new"
assert target.query_one(criteria={"k": 10})["v"] == "old"
def test_run(source, target, old_docs, new_docs):
source.update(old_docs)
source.update(new_docs)
target.update(old_docs)
builder = CopyBuilder(source, target)
builder.run()
builder.target.connect()
assert builder.target.query_one(criteria={"k": 0})["v"] == "new"
assert builder.target.query_one(criteria={"k": 10})["v"] == "old"
def test_query(source, target, old_docs, new_docs):
builder = CopyBuilder(source, target)
builder.query = {"k": {"$gt": 5}}
source.update(old_docs)
source.update(new_docs)
builder.run()
all_docs = list(target.query(criteria={}))
assert len(all_docs) == 14
assert min([d["k"] for d in all_docs]) == 6
def test_delete_orphans(source, target, old_docs, new_docs):
builder = CopyBuilder(source, target, delete_orphans=True)
source.update(old_docs)
source.update(new_docs)
target.update(old_docs)
deletion_criteria = {"k": {"$in": list(range(5))}}
source._collection.delete_many(deletion_criteria)
builder.run()
assert target._collection.count_documents(deletion_criteria) == 0
assert target.query_one(criteria={"k": 5})["v"] == "new"
assert target.query_one(criteria={"k": 10})["v"] == "old"
def test_prechunk(source, target, old_docs, new_docs):
builder = CopyBuilder(source, target, delete_orphans=True)
source.update(old_docs)
source.update(new_docs)
chunk_queries = list(builder.prechunk(2))
assert len(chunk_queries) == 2
assert chunk_queries[0] == {"query": {"k": {"$in": [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]}}}
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