def test_get_item__given_valid_inputs__then_return_correct(self):
# Arrange
table_name = "fake-table"
key_field = "id"
db = boto3.client("dynamodb")
db.create_table(
TableName=table_name,
KeySchema=[{
"AttributeName": key_field,
"KeyType": "HASH"
}],
AttributeDefinitions=[
{
"AttributeName": key_field,
"AttributeType": "S"
},
],
ProvisionedThroughput={
"ReadCapacityUnits": 10,
"WriteCapacityUnits": 10
},
)
subject = DynamoDB(table_name)
subject.set_ttl_seconds(10)
subject.put_item({key_field: "J1K4", "value": 2000})
# Act
new_item = subject.get_item({"id": "J1K4"})
print(new_item)
# Assert
self.assertTrue("ttl" in new_item)
new_item.pop("ttl")
self.assertEqual(new_item, {"id": "J1K4", "value": 2000})
def test_query_index_begins__given_index_key__then_return_correct(self):
table_name = get_output_from_stack("FanProcessingPartTestTableName")
subject = DynamoDB(table_name)
subject.set_ttl_seconds(10)
subject.put_item({
"pk": "J1K4",
"sk": "TASK#03939",
"value": {
"subkey": "03939"
},
"gs1_pk": "INDEX",
"gs1_sk": "ABCDEF",
"status": "created",
})
# Act
results = subject.query_index_begins("gs1", {
"gs1_pk": "INDEX",
"gs1_sk": "ABC"
})
print(f"Query results: {results}")
# Assert
self.assertTrue("ttl" in results[0])
results[0].pop("ttl")
self.assertEqual(
results,
[{
"value": {
"subkey": "03939"
},
"sk": "TASK#03939",
"gs1_pk": "INDEX",
"pk": "J1K4",
"gs1_sk": "ABCDEF",
"status": "created",
}],
)
def test_put_item__given_valid_inputs__then_return_correct(self):
# Arrange
table_name = "fake-table"
db = boto3.client("dynamodb")
db.create_table(
TableName=table_name,
KeySchema=[{
"AttributeName": "key_field",
"KeyType": "HASH"
}],
AttributeDefinitions=[
{
"AttributeName": "key_field",
"AttributeType": "S"
},
],
ProvisionedThroughput={
"ReadCapacityUnits": 10,
"WriteCapacityUnits": 10
},
)
subject = DynamoDB(table_name)
# Act
results = subject.put_item({"key_field": "world", "value": 8.2})
# Assert
new_item = db.get_item(TableName=table_name,
Key={"key_field": {
"S": "world"
}})["Item"]
print(new_item)
self.assertEqual(new_item, {
"key_field": {
"S": "world"
},
"value": {
"N": "8.2"
}
})
def test_query_table_begins__given_valid_composite_key__then_return_correct(
self):
# Arrange
table_name = "fake-table"
db = boto3.client("dynamodb")
db.create_table(
TableName=table_name,
KeySchema=[
{
"AttributeName": "pk",
"KeyType": "HASH"
},
{
"AttributeName": "sk",
"KeyType": "RANGE"
},
],
AttributeDefinitions=[
{
"AttributeName": "pk",
"AttributeType": "S"
},
{
"AttributeName": "sk",
"AttributeType": "S"
},
],
ProvisionedThroughput={
"ReadCapacityUnits": 10,
"WriteCapacityUnits": 10
},
)
subject = DynamoDB(table_name)
subject.set_ttl_seconds(10)
subject.put_item({
"pk": "J1K4",
"sk": "TASK#03939",
"value": {
"subkey": "03939"
}
})
subject.put_item({
"pk": "J1K4",
"sk": "TASK#03940",
"value": {
"subkey": "03940"
}
})
# Act
results = subject.query_table_begins({"pk": "J1K4", "sk": "T"})
print(f"Query results: {results}")
# Assert
self.assertTrue("ttl" in results[0])
results[0].pop("ttl")
results[1].pop("ttl")
self.assertEqual(
results,
[
{
"pk": "J1K4",
"sk": "TASK#03939",
"value": {
"subkey": "03939"
},
},
{
"pk": "J1K4",
"sk": "TASK#03940",
"value": {
"subkey": "03940"
},
},
],
)
def test_get_item__given_table_has_composite_key__then_return_correct(
self):
# Arrange
table_name = "fake-table"
db = boto3.client("dynamodb")
db.create_table(
TableName=table_name,
KeySchema=[
{
"AttributeName": "pk",
"KeyType": "HASH"
},
{
"AttributeName": "sk",
"KeyType": "RANGE"
},
],
AttributeDefinitions=[
{
"AttributeName": "pk",
"AttributeType": "S"
},
{
"AttributeName": "sk",
"AttributeType": "S"
},
],
ProvisionedThroughput={
"ReadCapacityUnits": 10,
"WriteCapacityUnits": 10
},
)
subject = DynamoDB(table_name)
subject.set_ttl_seconds(10)
subject.put_item({
"pk": "J1K4",
"sk": "TASK#03939",
"value": {
"subkey": "subvalue"
}
})
# Act
new_item = subject.get_item({"pk": "J1K4", "sk": "TASK#03939"})
print(f"New item: {new_item}")
# Assert
self.assertTrue("ttl" in new_item)
new_item.pop("ttl")
self.assertEqual(
new_item,
{
"pk": "J1K4",
"sk": "TASK#03939",
"value": {
"subkey": "subvalue"
}
},
)