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from graphql import graphql_sync
from .star_wars_schema import star_wars_schema as schema
def describe_star_wars_connections():
def fetches_the_first_ship_of_the_rebels():
source = """
{
rebels {
name,
ships(first: 1) {
edges {
node {
name
}
}
}
}
}
"""
expected = {
"rebels": {
"name": "Alliance to Restore the Republic",
"ships": {"edges": [{"node": {"name": "X-Wing"}}]},
}
}
result = graphql_sync(schema, source)
assert result == (expected, None)
def fetches_the_first_two_ships_of_the_rebels_with_a_cursor():
source = """
{
rebels {
name,
ships(first: 2) {
edges {
cursor,
node {
name
}
}
}
}
}
"""
expected = {
"rebels": {
"name": "Alliance to Restore the Republic",
"ships": {
"edges": [
{
"cursor": "YXJyYXljb25uZWN0aW9uOjA=",
"node": {"name": "X-Wing"},
},
{
"cursor": "YXJyYXljb25uZWN0aW9uOjE=",
"node": {"name": "Y-Wing"},
},
]
},
}
}
result = graphql_sync(schema, source)
assert result == (expected, None)
def fetches_the_next_three_ships_of_the_rebels_with_a_cursor():
source = """
{
rebels {
name,
ships(first: 3 after: "YXJyYXljb25uZWN0aW9uOjE=") {
edges {
cursor,
node {
name
}
}
}
}
}
"""
expected = {
"rebels": {
"name": "Alliance to Restore the Republic",
"ships": {
"edges": [
{
"cursor": "YXJyYXljb25uZWN0aW9uOjI=",
"node": {"name": "A-Wing"},
},
{
"cursor": "YXJyYXljb25uZWN0aW9uOjM=",
"node": {"name": "Millennium Falcon"},
},
{
"cursor": "YXJyYXljb25uZWN0aW9uOjQ=",
"node": {"name": "Home One"},
},
]
},
}
}
result = graphql_sync(schema, source)
assert result == (expected, None)
def fetches_no_ships_of_the_rebels_at_the_end_of_connection():
source = """
{
rebels {
name,
ships(first: 3 after: "YXJyYXljb25uZWN0aW9uOjQ=") {
edges {
cursor,
node {
name
}
}
}
}
}
"""
expected = {
"rebels": {
"name": "Alliance to Restore the Republic",
"ships": {"edges": []},
}
}
result = graphql_sync(schema, source)
assert result == (expected, None)
def identifies_the_end_of_the_list():
source = """
{
rebels {
name,
originalShips: ships(first: 2) {
edges {
node {
name
}
}
pageInfo {
hasNextPage
}
}
moreShips: ships(first: 3 after: "YXJyYXljb25uZWN0aW9uOjE=") {
edges {
node {
name
}
}
pageInfo {
hasNextPage
}
}
}
}
"""
expected = {
"rebels": {
"name": "Alliance to Restore the Republic",
"originalShips": {
"edges": [
{
"node": {"name": "X-Wing"},
},
{
"node": {"name": "Y-Wing"},
},
],
"pageInfo": {"hasNextPage": True},
},
"moreShips": {
"edges": [
{
"node": {"name": "A-Wing"},
},
{
"node": {"name": "Millennium Falcon"},
},
{
"node": {"name": "Home One"},
},
],
"pageInfo": {"hasNextPage": False},
},
},
}
result = graphql_sync(schema, source)
assert result == (expected, None)
|
