gitlab-org--gitlab-foss/spec/lib/gitlab/graphql/docs/renderer_spec.rb

576 lines
18 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Graphql::Docs::Renderer do
describe '#contents' do
shared_examples 'renders correctly as GraphQL documentation' do
it 'contains the expected section' do
# duplicative - but much better error messages!
section.lines.each { |line| expect(contents).to include(line) }
expect(contents).to include(section)
end
end
let(:template) { Rails.root.join('lib/gitlab/graphql/docs/templates/default.md.haml') }
let(:field_description) { 'List of objects.' }
let(:type) { ::GraphQL::INT_TYPE }
let(:query_type) do
Class.new(Types::BaseObject) { graphql_name 'Query' }.tap do |t|
# this keeps type and field_description in scope.
t.field :foo, type, null: true, description: field_description do
argument :id, GraphQL::ID_TYPE, required: false, description: 'ID of the object.'
end
end
end
let(:mutation_root) do
Class.new(::Types::BaseObject) do
include ::Gitlab::Graphql::MountMutation
graphql_name 'Mutation'
end
end
let(:mock_schema) do
Class.new(GraphQL::Schema) do
def resolve_type(obj, ctx)
raise 'Not a real schema'
end
end
end
subject(:contents) do
mock_schema.query(query_type)
mock_schema.mutation(mutation_root) if mutation_root.fields.any?
described_class.new(
mock_schema,
output_dir: nil,
template: template
).contents
end
describe 'headings' do
it 'contains the expected sections' do
expect(contents.lines.map(&:chomp)).to include(
'## `Query` type',
'## `Mutation` type',
'## Connections',
'## Object types',
'## Enumeration types',
'## Scalar types',
'## Abstract types',
'### Unions',
'### Interfaces',
'## Input types'
)
end
end
context 'when a field has a list type' do
let(:type) do
Class.new(Types::BaseObject) do
graphql_name 'ArrayTest'
field :foo, [GraphQL::STRING_TYPE], null: false, description: 'A description.'
end
end
specify do
type_name = '[String!]!'
inner_type = 'string'
expectation = <<~DOC
### `ArrayTest`
#### Fields
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="arraytestfoo"></a>`foo` | [`#{type_name}`](##{inner_type}) | A description. |
DOC
is_expected.to include(expectation)
end
describe 'a top level query field' do
let(:expectation) do
<<~DOC
### `Query.foo`
List of objects.
Returns [`ArrayTest`](#arraytest).
#### Arguments
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="queryfooid"></a>`id` | [`ID`](#id) | ID of the object. |
DOC
end
it 'generates the query with arguments' do
expect(subject).to include(expectation)
end
context 'when description does not end with `.`' do
let(:field_description) { 'List of objects' }
it 'adds the `.` to the end' do
expect(subject).to include(expectation)
end
end
end
end
describe 'when fields are not defined in alphabetical order' do
let(:type) do
Class.new(Types::BaseObject) do
graphql_name 'OrderingTest'
field :foo, GraphQL::STRING_TYPE, null: false, description: 'A description of foo field.'
field :bar, GraphQL::STRING_TYPE, null: false, description: 'A description of bar field.'
end
end
it 'lists the fields in alphabetical order' do
expectation = <<~DOC
### `OrderingTest`
#### Fields
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="orderingtestbar"></a>`bar` | [`String!`](#string) | A description of bar field. |
| <a id="orderingtestfoo"></a>`foo` | [`String!`](#string) | A description of foo field. |
DOC
is_expected.to include(expectation)
end
end
context 'when an argument is deprecated' do
let(:type) do
Class.new(Types::BaseObject) do
graphql_name 'DeprecatedTest'
description 'A thing we used to use, but no longer support'
field :foo,
type: GraphQL::STRING_TYPE,
null: false,
description: 'A description.' do
argument :foo_arg, GraphQL::STRING_TYPE,
required: false,
description: 'The argument.',
deprecated: { reason: 'Bad argument', milestone: '101.2' }
end
end
end
let(:section) do
<<~DOC
##### `DeprecatedTest.foo`
A description.
Returns [`String!`](#string).
###### Arguments
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="deprecatedtestfoofooarg"></a>`fooArg` **{warning-solid}** | [`String`](#string) | **Deprecated** in 101.2. Bad argument. |
DOC
end
it_behaves_like 'renders correctly as GraphQL documentation'
end
context 'when a field is deprecated' do
let(:type) do
Class.new(Types::BaseObject) do
graphql_name 'DeprecatedTest'
description 'A thing we used to use, but no longer support'
field :foo,
type: GraphQL::STRING_TYPE,
null: false,
deprecated: { reason: 'This is deprecated', milestone: '1.10' },
description: 'A description.'
field :foo_with_args,
type: GraphQL::STRING_TYPE,
null: false,
deprecated: { reason: 'Do not use', milestone: '1.10', replacement: 'X.y' },
description: 'A description.' do
argument :arg, GraphQL::INT_TYPE, required: false, description: 'Argity'
end
field :bar,
type: GraphQL::STRING_TYPE,
null: false,
description: 'A description.',
deprecated: {
reason: :renamed,
milestone: '1.10',
replacement: 'Query.boom'
}
end
end
let(:section) do
<<~DOC
### `DeprecatedTest`
A thing we used to use, but no longer support.
#### Fields
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="deprecatedtestbar"></a>`bar` **{warning-solid}** | [`String!`](#string) | **Deprecated** in 1.10. This was renamed. Use: [`Query.boom`](#queryboom). |
| <a id="deprecatedtestfoo"></a>`foo` **{warning-solid}** | [`String!`](#string) | **Deprecated** in 1.10. This is deprecated. |
#### Fields with arguments
##### `DeprecatedTest.fooWithArgs`
A description.
WARNING:
**Deprecated** in 1.10.
Do not use.
Use: [`X.y`](#xy).
Returns [`String!`](#string).
###### Arguments
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="deprecatedtestfoowithargsarg"></a>`arg` | [`Int`](#int) | Argity. |
DOC
end
it_behaves_like 'renders correctly as GraphQL documentation'
end
context 'when a Query.field is deprecated' do
before do
query_type.field(
name: :bar,
type: type,
null: true,
description: 'A bar',
deprecated: { reason: :renamed, milestone: '10.11', replacement: 'Query.foo' }
)
end
let(:type) { ::GraphQL::INT_TYPE }
let(:section) do
<<~DOC
### `Query.bar`
A bar.
WARNING:
**Deprecated** in 10.11.
This was renamed.
Use: [`Query.foo`](#queryfoo).
Returns [`Int`](#int).
DOC
end
it_behaves_like 'renders correctly as GraphQL documentation'
end
context 'when a field has an Enumeration type' do
let(:type) do
enum_type = Class.new(Types::BaseEnum) do
graphql_name 'MyEnum'
description 'A test of an enum.'
value 'BAZ',
description: 'A description of BAZ.'
value 'BAR',
description: 'A description of BAR.',
deprecated: { reason: 'This is deprecated', milestone: '1.10' }
end
Class.new(Types::BaseObject) do
graphql_name 'EnumTest'
field :foo, enum_type, null: false, description: 'A description of foo field.'
end
end
let(:section) do
<<~DOC
### `MyEnum`
A test of an enum.
| Value | Description |
| ----- | ----------- |
| <a id="myenumbar"></a>`BAR` **{warning-solid}** | **Deprecated:** This is deprecated. Deprecated in 1.10. |
| <a id="myenumbaz"></a>`BAZ` | A description of BAZ. |
DOC
end
it_behaves_like 'renders correctly as GraphQL documentation'
end
context 'when a field has a global ID type' do
let(:type) do
Class.new(Types::BaseObject) do
graphql_name 'IDTest'
description 'A test for rendering IDs.'
field :foo, ::Types::GlobalIDType[::User], null: true, description: 'A user foo.'
end
end
describe 'section for IDTest' do
let(:section) do
<<~DOC
### `IDTest`
A test for rendering IDs.
#### Fields
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="idtestfoo"></a>`foo` | [`UserID`](#userid) | A user foo. |
DOC
end
it_behaves_like 'renders correctly as GraphQL documentation'
end
describe 'section for UserID' do
let(:section) do
<<~DOC
### `UserID`
A `UserID` is a global ID. It is encoded as a string.
An example `UserID` is: `"gid://gitlab/User/1"`.
DOC
end
it_behaves_like 'renders correctly as GraphQL documentation'
end
end
context 'when there is a mutation' do
let(:mutation) do
mutation = Class.new(::Mutations::BaseMutation)
mutation.graphql_name 'MakeItPretty'
mutation.description 'Make everything very pretty.'
mutation.argument :prettiness_factor,
type: GraphQL::FLOAT_TYPE,
required: true,
description: 'How much prettier?'
mutation.argument :pulchritude,
type: GraphQL::FLOAT_TYPE,
required: false,
description: 'How much prettier?',
deprecated: {
reason: :renamed,
replacement: 'prettinessFactor',
milestone: '72.34'
}
mutation.field :everything,
type: GraphQL::STRING_TYPE,
null: true,
description: 'What we made prettier.'
mutation.field :omnis,
type: GraphQL::STRING_TYPE,
null: true,
description: 'What we made prettier.',
deprecated: {
reason: :renamed,
replacement: 'everything',
milestone: '72.34'
}
mutation
end
before do
mutation_root.mount_mutation mutation
end
it_behaves_like 'renders correctly as GraphQL documentation' do
let(:section) do
<<~DOC
### `Mutation.makeItPretty`
Make everything very pretty.
Input type: `MakeItPrettyInput`
#### Arguments
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="mutationmakeitprettyclientmutationid"></a>`clientMutationId` | [`String`](#string) | A unique identifier for the client performing the mutation. |
| <a id="mutationmakeitprettyprettinessfactor"></a>`prettinessFactor` | [`Float!`](#float) | How much prettier?. |
| <a id="mutationmakeitprettypulchritude"></a>`pulchritude` **{warning-solid}** | [`Float`](#float) | **Deprecated:** This was renamed. Please use `prettinessFactor`. Deprecated in 72.34. |
#### Fields
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="mutationmakeitprettyclientmutationid"></a>`clientMutationId` | [`String`](#string) | A unique identifier for the client performing the mutation. |
| <a id="mutationmakeitprettyerrors"></a>`errors` | [`[String!]!`](#string) | Errors encountered during execution of the mutation. |
| <a id="mutationmakeitprettyeverything"></a>`everything` | [`String`](#string) | What we made prettier. |
| <a id="mutationmakeitprettyomnis"></a>`omnis` **{warning-solid}** | [`String`](#string) | **Deprecated:** This was renamed. Please use `everything`. Deprecated in 72.34. |
DOC
end
end
it 'does not render the automatically generated payload type' do
expect(contents).not_to include('MakeItPrettyPayload')
end
it 'does not render the automatically generated input type as its own section' do
expect(contents).not_to include('# `MakeItPrettyInput`')
end
end
context 'when there is an input type' do
let(:type) do
Class.new(::Types::BaseObject) do
graphql_name 'Foo'
field :wibble, type: ::GraphQL::INT_TYPE, null: true do
argument :date_range,
type: ::Types::TimeframeInputType,
required: true,
description: 'When the foo happened.'
end
end
end
let(:section) do
<<~DOC
### `Timeframe`
A time-frame defined as a closed inclusive range of two dates.
#### Arguments
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="timeframeend"></a>`end` | [`Date!`](#date) | The end of the range. |
| <a id="timeframestart"></a>`start` | [`Date!`](#date) | The start of the range. |
DOC
end
it_behaves_like 'renders correctly as GraphQL documentation'
end
context 'when there is an interface and a union' do
let(:type) do
user = Class.new(::Types::BaseObject)
user.graphql_name 'User'
user.field :user_field, ::GraphQL::STRING_TYPE, null: true
group = Class.new(::Types::BaseObject)
group.graphql_name 'Group'
group.field :group_field, ::GraphQL::STRING_TYPE, null: true
union = Class.new(::Types::BaseUnion)
union.graphql_name 'UserOrGroup'
union.description 'Either a user or a group.'
union.possible_types user, group
interface = Module.new
interface.include(::Types::BaseInterface)
interface.graphql_name 'Flying'
interface.description 'Something that can fly.'
interface.field :flight_speed, GraphQL::INT_TYPE, null: true, description: 'Speed in mph.'
african_swallow = Class.new(::Types::BaseObject)
african_swallow.graphql_name 'AfricanSwallow'
african_swallow.description 'A swallow from Africa.'
african_swallow.implements interface
interface.orphan_types african_swallow
Class.new(::Types::BaseObject) do
graphql_name 'AbstractTypeTest'
description 'A test for abstract types.'
field :foo, union, null: true, description: 'The foo.'
field :flying, interface, null: true, description: 'A flying thing.'
end
end
it 'lists the fields correctly, and includes descriptions of all the types' do
type_section = <<~DOC
### `AbstractTypeTest`
A test for abstract types.
#### Fields
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="abstracttypetestflying"></a>`flying` | [`Flying`](#flying) | A flying thing. |
| <a id="abstracttypetestfoo"></a>`foo` | [`UserOrGroup`](#userorgroup) | The foo. |
DOC
union_section = <<~DOC
#### `UserOrGroup`
Either a user or a group.
One of:
- [`Group`](#group)
- [`User`](#user)
DOC
interface_section = <<~DOC
#### `Flying`
Something that can fly.
Implementations:
- [`AfricanSwallow`](#africanswallow)
##### Fields
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="flyingflightspeed"></a>`flightSpeed` | [`Int`](#int) | Speed in mph. |
DOC
implementation_section = <<~DOC
### `AfricanSwallow`
A swallow from Africa.
#### Fields
| Name | Type | Description |
| ---- | ---- | ----------- |
| <a id="africanswallowflightspeed"></a>`flightSpeed` | [`Int`](#int) | Speed in mph. |
DOC
is_expected.to include(
type_section,
union_section,
interface_section,
implementation_section
)
end
end
end
end