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|
# frozen_string_literal: true
require "spec_helper"
describe GraphQL::Language::DefinitionSlice do
let(:document) { GraphQL.parse(query_string) }
describe "anonymous query with no dependencies" do
let(:query_string) {%|
{
version
}
|}
it "is already the smallest slice" do
assert_equal document.to_query_string,
document.slice_definition(nil).to_query_string
end
end
describe "anonymous mutation with no dependencies" do
let(:query_string) {%|
mutation {
ping {
message
}
}
|}
it "is already the smallest slice" do
assert_equal document.to_query_string,
document.slice_definition(nil).to_query_string
end
end
describe "anonymous fragment with no dependencies" do
let(:query_string) {%|
fragment on User {
name
}
|}
it "is already the smallest slice" do
assert_equal document.to_query_string,
document.slice_definition(nil).to_query_string
end
end
describe "named query with no dependencies" do
let(:query_string) {%|
query getVersion {
version
}
|}
it "is already the smallest slice" do
assert_equal document.to_query_string,
document.slice_definition("getVersion").to_query_string
end
end
describe "named fragment with no dependencies" do
let(:query_string) {%|
fragment profileFields on User {
firstName
lastName
}
|}
it "is already the smallest slice" do
assert_equal document.to_query_string,
document.slice_definition("profileFields").to_query_string
end
end
describe "document with multiple queries but no subdependencies" do
let(:query_string) {%|
query getVersion {
version
}
query getTime {
time
}
|}
it "returns just the query definition" do
assert_equal GraphQL::Language::Nodes::Document.new(definitions: [document.definitions[0]]).to_query_string,
document.slice_definition("getVersion").to_query_string
assert_equal GraphQL::Language::Nodes::Document.new(definitions: [document.definitions[1]]).to_query_string,
document.slice_definition("getTime").to_query_string
end
end
describe "document with multiple fragments but no subdependencies" do
let(:query_string) {%|
fragment profileFields on User {
firstName
lastName
}
fragment avatarFields on User {
avatarURL(size: 80)
}
|}
it "returns just the fragment definition" do
assert_equal GraphQL::Language::Nodes::Document.new(definitions: [document.definitions[0]]).to_query_string,
document.slice_definition("profileFields").to_query_string
assert_equal GraphQL::Language::Nodes::Document.new(definitions: [document.definitions[1]]).to_query_string,
document.slice_definition("avatarFields").to_query_string
end
end
describe "query with missing spread" do
let(:query_string) {%|
query getUser {
viewer {
...profileFields
}
}
|}
it "is ignored" do
assert_equal document.to_query_string,
document.slice_definition("getUser").to_query_string
end
end
describe "query and fragment subdependency" do
let(:query_string) {%|
query getUser {
viewer {
...profileFields
}
}
fragment profileFields on User {
firstName
lastName
}
|}
it "returns query and fragment dependency" do
assert_equal document.to_query_string,
document.slice_definition("getUser").to_query_string
end
end
describe "query and fragment nested subdependencies" do
let(:query_string) {%|
query getUser {
viewer {
...viewerInfo
}
}
fragment viewerInfo on User {
...profileFields
}
fragment profileFields on User {
firstName
lastName
...avatarFields
}
fragment avatarFields on User {
avatarURL(size: 80)
}
|}
it "returns query and all fragment dependencies" do
assert_equal document.to_query_string,
document.slice_definition("getUser").to_query_string
end
end
describe "fragment subdependency referenced multiple times" do
let(:query_string) {%|
query getUser {
viewer {
...viewerInfo
...moreViewerInfo
}
}
fragment viewerInfo on User {
...profileFields
}
fragment moreViewerInfo on User {
...profileFields
}
fragment profileFields on User {
firstName
lastName
}
|}
it "is only returned once" do
assert_equal document.to_query_string,
document.slice_definition("getUser").to_query_string
end
end
describe "query and unused fragment" do
let(:query_string) {%|
query getUser {
viewer {
id
}
}
fragment profileFields on User {
firstName
lastName
}
|}
it "returns just the query definition" do
assert_equal GraphQL::Language::Nodes::Document.new(definitions: [document.definitions[0]]).to_query_string,
document.slice_definition("getUser").to_query_string
end
end
end
|
