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// @flow
import { request } from '../../utils';
import data from 'shared/testing/data';
import { toPlainText, toState } from 'shared/draft-utils';
const messageToPlainText = message =>
toPlainText(toState(JSON.parse(message.content.body)));
// Get all messages in our test thread and sort them by time
const messages = data.messages
.filter(({ threadId }) => threadId === 'thread-1')
.sort((a, b) => a.timestamp - b.timestamp);
describe('messageConnection', () => {
it('should fetch a threads messages', async () => {
const query = /* GraphQL */ `
{
thread(id: "thread-1") {
messageConnection(first: 999999) {
edges {
node {
id
}
}
}
}
}
`;
expect.hasAssertions();
const result = await request(query);
expect(result.data.thread.messageConnection.edges).toHaveLength(
messages.length
);
expect(result).toMatchSnapshot();
});
it('should fetch the first message first', async () => {
const query = /* GraphQL */ `
{
thread(id: "thread-1") {
messageConnection(first: 1) {
pageInfo {
hasNextPage
hasPreviousPage
}
edges {
node {
id
content {
body
}
}
}
}
}
}
`;
expect.hasAssertions();
const result = await request(query);
expect(result.data.thread.messageConnection.edges).toHaveLength(1);
expect(result.data.thread.messageConnection.pageInfo).toEqual({
// This is true if there is more messages than this one
hasNextPage: messages.length > 1,
// This has to be false since it's the first message
hasPreviousPage: false,
});
expect(
messageToPlainText(result.data.thread.messageConnection.edges[0].node)
).toEqual(messageToPlainText(messages[0]));
});
it('should fetch the second message next', async () => {
// Get the cursor of the first message
const query = /* GraphQL */ `
{
thread(id: "thread-1") {
messageConnection(first: 1) {
edges {
cursor
}
}
}
}
`;
expect.hasAssertions();
const result = await request(query);
const cursor = result.data.thread.messageConnection.edges[0].cursor;
// Get one message after the cursor of the first message
// i.e. the second message
const nextQuery = /* GraphQL */ `
{
thread(id: "thread-1") {
messageConnection(first: 1, after: "${cursor}") {
pageInfo {
hasNextPage
hasPreviousPage
}
edges {
node {
content {
body
}
}
}
}
}
}
`;
const nextResult = await request(nextQuery);
expect(nextResult.data.thread.messageConnection.edges).toHaveLength(1);
expect(nextResult.data.thread.messageConnection.pageInfo).toEqual({
hasNextPage: messages.length > 2,
// We know this has a previous page
hasPreviousPage: true,
});
expect(
messageToPlainText(nextResult.data.thread.messageConnection.edges[0].node)
).toEqual(messageToPlainText(messages[1]));
});
it('should correctly set pageInfo when more messages are requested than are available', async () => {
// Request more messages than there are
const query = /* GraphQL */ `
{
thread(id: "thread-1") {
messageConnection(first: ${messages.length + 1}) {
pageInfo {
hasNextPage
hasPreviousPage
}
edges {
cursor
}
}
}
}
`;
expect.hasAssertions();
const result = await request(query);
const { edges, pageInfo } = result.data.thread.messageConnection;
expect(edges).toHaveLength(messages.length);
expect(pageInfo).toEqual({
hasNextPage: false,
hasPreviousPage: false,
});
});
it('should correctly set pageInfo when all messages are requested', async () => {
// Request more messages than there are
const query = /* GraphQL */ `
{
thread(id: "thread-1") {
messageConnection(first: ${messages.length}) {
pageInfo {
hasNextPage
hasPreviousPage
}
edges {
cursor
}
}
}
}
`;
expect.hasAssertions();
const result = await request(query);
const { edges, pageInfo } = result.data.thread.messageConnection;
expect(edges).toHaveLength(messages.length);
expect(pageInfo).toEqual({
hasNextPage: false,
hasPreviousPage: false,
});
});
it('should correctly set pageInfo when more messages are requested than are available after a cursor', async () => {
// Get the cursor of the first message
const query = /* GraphQL */ `
{
thread(id: "thread-1") {
messageConnection(first: 1) {
edges {
cursor
}
}
}
}
`;
expect.hasAssertions();
const result = await request(query);
const cursor = result.data.thread.messageConnection.edges[0].cursor;
// Get all messages after the cursor of the first message
// but get more than are available
const nextQuery = /* GraphQL */ `
{
thread(id: "thread-1") {
messageConnection(first: ${messages.length}, after: "${cursor}") {
pageInfo {
hasNextPage
hasPreviousPage
}
edges {
cursor
}
}
}
}
`;
const nextResult = await request(nextQuery);
const { edges, pageInfo } = nextResult.data.thread.messageConnection;
expect(edges).toHaveLength(messages.length - 1);
expect(pageInfo).toEqual({
hasNextPage: false,
hasPreviousPage: true,
});
});
});
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