329 lines
8.8 KiB
Ruby
329 lines
8.8 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require 'spec_helper'
|
|
|
|
RSpec.describe GraphqlHelpers do
|
|
include GraphqlHelpers
|
|
|
|
# Normalize irrelevant whitespace to make comparison easier
|
|
def norm(query)
|
|
query.tr("\n", ' ').gsub(/\s+/, ' ').strip
|
|
end
|
|
|
|
describe 'graphql_dig_at' do
|
|
it 'transforms symbol keys to graphql field names' do
|
|
data = { 'camelCased' => 'names' }
|
|
|
|
expect(graphql_dig_at(data, :camel_cased)).to eq('names')
|
|
end
|
|
|
|
it 'supports integer indexing' do
|
|
data = { 'array' => [:boom, { 'id' => :hooray! }, :boom] }
|
|
|
|
expect(graphql_dig_at(data, :array, 1, :id)).to eq(:hooray!)
|
|
end
|
|
|
|
it 'gracefully degrades to nil' do
|
|
data = { 'project' => { 'mergeRequest' => nil } }
|
|
|
|
expect(graphql_dig_at(data, :project, :merge_request, :id)).to be_nil
|
|
end
|
|
|
|
it 'supports implicitly flat-mapping traversals' do
|
|
data = {
|
|
'foo' => {
|
|
'nodes' => [
|
|
{ 'bar' => { 'nodes' => [{ 'id' => 1 }, { 'id' => 2 }] } },
|
|
{ 'bar' => { 'nodes' => [{ 'id' => 3 }, { 'id' => 4 }] } },
|
|
{ 'bar' => nil }
|
|
]
|
|
},
|
|
'irrelevant' => 'the field is a red-herring'
|
|
}
|
|
|
|
expect(graphql_dig_at(data, :foo, :nodes, :bar, :nodes, :id)).to eq([1, 2, 3, 4])
|
|
end
|
|
end
|
|
|
|
describe 'var' do
|
|
it 'allocates a fresh name for each var' do
|
|
a = var('Int')
|
|
b = var('Int')
|
|
|
|
expect(a.name).not_to eq(b.name)
|
|
end
|
|
|
|
it 'can be used to construct correct signatures' do
|
|
a = var('Int')
|
|
b = var('String!')
|
|
|
|
q = with_signature([a, b], '{ foo bar }')
|
|
|
|
expect(q).to eq("query(#{a.to_graphql_value}: Int, #{b.to_graphql_value}: String!) { foo bar }")
|
|
end
|
|
|
|
it 'can be used to pass arguments to fields' do
|
|
a = var('ID!')
|
|
|
|
q = graphql_query_for(:project, { full_path: a }, :id)
|
|
|
|
expect(norm(q)).to eq("{ project(fullPath: #{a.to_graphql_value}){ id } }")
|
|
end
|
|
|
|
it 'can associate values with variables' do
|
|
a = var('Int')
|
|
|
|
expect(a.with(3).to_h).to eq(a.name => 3)
|
|
end
|
|
|
|
it 'does not mutate the variable when providing a value' do
|
|
a = var('Int')
|
|
three = a.with(3)
|
|
|
|
expect(three.value).to eq(3)
|
|
expect(a.value).to be_nil
|
|
end
|
|
|
|
it 'can associate many values with variables' do
|
|
a = var('Int').with(3)
|
|
b = var('String').with('foo')
|
|
|
|
expect(serialize_variables([a, b])).to eq({ a.name => 3, b.name => 'foo' }.to_json)
|
|
end
|
|
end
|
|
|
|
describe '.query_nodes' do
|
|
it 'can produce a basic connection selection' do
|
|
selection = query_nodes(:users)
|
|
|
|
expected = query_graphql_path([:users, :nodes], all_graphql_fields_for('User', max_depth: 1))
|
|
|
|
expect(selection).to eq(expected)
|
|
end
|
|
|
|
it 'allows greater depth' do
|
|
selection = query_nodes(:users, max_depth: 2)
|
|
|
|
expected = query_graphql_path([:users, :nodes], all_graphql_fields_for('User', max_depth: 2))
|
|
|
|
expect(selection).to eq(expected)
|
|
end
|
|
|
|
it 'accepts fields' do
|
|
selection = query_nodes(:users, :id)
|
|
|
|
expected = query_graphql_path([:users, :nodes], :id)
|
|
|
|
expect(selection).to eq(expected)
|
|
end
|
|
|
|
it 'accepts arguments' do
|
|
args = { username: 'foo' }
|
|
selection = query_nodes(:users, args: args)
|
|
|
|
expected = query_graphql_path([[:users, args], :nodes], all_graphql_fields_for('User', max_depth: 1))
|
|
|
|
expect(selection).to eq(expected)
|
|
end
|
|
|
|
it 'accepts arguments and fields' do
|
|
selection = query_nodes(:users, :id, args: { username: 'foo' })
|
|
|
|
expected = query_graphql_path([[:users, { username: 'foo' }], :nodes], :id)
|
|
|
|
expect(selection).to eq(expected)
|
|
end
|
|
|
|
it 'accepts explicit type name' do
|
|
selection = query_nodes(:members, of: 'User')
|
|
|
|
expected = query_graphql_path([:members, :nodes], all_graphql_fields_for('User', max_depth: 1))
|
|
|
|
expect(selection).to eq(expected)
|
|
end
|
|
|
|
it 'can optionally provide pagination info' do
|
|
selection = query_nodes(:users, include_pagination_info: true)
|
|
|
|
expected = query_graphql_path([:users, "#{page_info_selection} nodes"], all_graphql_fields_for('User', max_depth: 1))
|
|
|
|
expect(selection).to eq(expected)
|
|
end
|
|
end
|
|
|
|
describe '.query_graphql_path' do
|
|
it 'can build nested paths' do
|
|
selection = query_graphql_path(%i[foo bar wibble_wobble], :id)
|
|
|
|
expected = norm(<<-GQL)
|
|
foo{
|
|
bar{
|
|
wibbleWobble{
|
|
id
|
|
}
|
|
}
|
|
}
|
|
GQL
|
|
|
|
expect(norm(selection)).to eq(expected)
|
|
end
|
|
|
|
it 'can insert arguments at any point' do
|
|
selection = query_graphql_path(
|
|
[:foo, [:bar, { quux: true }], [:wibble_wobble, { eccentricity: :HIGH }]],
|
|
:id
|
|
)
|
|
|
|
expected = norm(<<-GQL)
|
|
foo{
|
|
bar(quux: true){
|
|
wibbleWobble(eccentricity: HIGH){
|
|
id
|
|
}
|
|
}
|
|
}
|
|
GQL
|
|
|
|
expect(norm(selection)).to eq(expected)
|
|
end
|
|
end
|
|
|
|
describe '.attributes_to_graphql' do
|
|
it 'can serialize hashes to literal arguments' do
|
|
x = var('Int')
|
|
args = {
|
|
an_array: [1, nil, "foo", true, [:foo, :bar]],
|
|
a_hash: {
|
|
nested: true,
|
|
value: "bar"
|
|
},
|
|
an_int: 42,
|
|
a_float: 0.1,
|
|
a_string: "wibble",
|
|
an_enum: :LOW,
|
|
null: nil,
|
|
a_bool: false,
|
|
a_var: x
|
|
}
|
|
|
|
literal = attributes_to_graphql(args)
|
|
|
|
expect(norm(literal)).to eq(norm(<<~EXP))
|
|
anArray: [1,null,"foo",true,[foo,bar]],
|
|
aHash: {nested: true, value: "bar"},
|
|
anInt: 42,
|
|
aFloat: 0.1,
|
|
aString: "wibble",
|
|
anEnum: LOW,
|
|
aBool: false,
|
|
aVar: #{x.to_graphql_value}
|
|
EXP
|
|
end
|
|
end
|
|
|
|
describe '.all_graphql_fields_for' do
|
|
it 'returns a FieldSelection' do
|
|
selection = all_graphql_fields_for('User', max_depth: 1)
|
|
|
|
expect(selection).to be_a(::Graphql::FieldSelection)
|
|
end
|
|
|
|
it 'returns nil if the depth is too shallow' do
|
|
selection = all_graphql_fields_for('User', max_depth: 0)
|
|
|
|
expect(selection).to be_nil
|
|
end
|
|
|
|
it 'can select just the scalar fields' do
|
|
selection = all_graphql_fields_for('User', max_depth: 1)
|
|
paths = selection.paths.map(&:join)
|
|
|
|
# A sample, tested using include to save churn as fields are added
|
|
expect(paths)
|
|
.to include(*%w[avatarUrl email groupCount id location name state username webPath webUrl])
|
|
|
|
expect(selection.paths).to all(have_attributes(size: 1))
|
|
end
|
|
|
|
it 'selects only as far as 3 levels by default' do
|
|
selection = all_graphql_fields_for('User')
|
|
|
|
expect(selection.paths).to all(have_attributes(size: (be <= 3)))
|
|
|
|
# Representative sample
|
|
expect(selection.paths).to include(
|
|
%w[userPermissions createSnippet],
|
|
%w[todos nodes id],
|
|
%w[starredProjects nodes name],
|
|
%w[authoredMergeRequests count],
|
|
%w[assignedMergeRequests pageInfo startCursor]
|
|
)
|
|
end
|
|
|
|
it 'selects only as far as requested' do
|
|
selection = all_graphql_fields_for('User', max_depth: 2)
|
|
|
|
expect(selection.paths).to all(have_attributes(size: (be <= 2)))
|
|
end
|
|
|
|
it 'omits fields that have required arguments' do
|
|
selection = all_graphql_fields_for('DesignCollection', max_depth: 3)
|
|
|
|
expect(selection.paths).not_to be_empty
|
|
|
|
expect(selection.paths).not_to include(
|
|
%w[designAtVersion id]
|
|
)
|
|
end
|
|
end
|
|
|
|
describe '.graphql_mutation' do
|
|
shared_examples 'correct mutation definition' do
|
|
it 'returns correct mutation definition' do
|
|
query = <<~MUTATION
|
|
mutation($updateAlertStatusInput: UpdateAlertStatusInput!) {
|
|
updateAlertStatus(input: $updateAlertStatusInput) {
|
|
clientMutationId
|
|
}
|
|
}
|
|
MUTATION
|
|
variables = { "updateAlertStatusInput" => { "projectPath" => "test/project" } }
|
|
|
|
is_expected.to eq(GraphqlHelpers::MutationDefinition.new(query, variables))
|
|
end
|
|
end
|
|
|
|
context 'when fields argument is passed' do
|
|
subject do
|
|
graphql_mutation(:update_alert_status, { project_path: 'test/project' }, 'clientMutationId')
|
|
end
|
|
|
|
it_behaves_like 'correct mutation definition'
|
|
end
|
|
|
|
context 'when block is passed' do
|
|
subject do
|
|
graphql_mutation(:update_alert_status, { project_path: 'test/project' }) do
|
|
'clientMutationId'
|
|
end
|
|
end
|
|
|
|
it_behaves_like 'correct mutation definition'
|
|
end
|
|
|
|
context 'when both fields and a block are passed' do
|
|
subject do
|
|
graphql_mutation(:mutation_name, { variable_name: 'variable/value' }, 'fieldName') do
|
|
'fieldName'
|
|
end
|
|
end
|
|
|
|
it 'raises an ArgumentError' do
|
|
expect { subject }.to raise_error(
|
|
ArgumentError,
|
|
'Please pass either `fields` parameter or a block to `#graphql_mutation`, but not both.'
|
|
)
|
|
end
|
|
end
|
|
end
|
|
end
|