debian-mirror-gitlab/spec/frontend/monitoring/alert_widget_spec.js

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2020-05-24 23:13:21 +05:30
import { shallowMount } from '@vue/test-utils';
import { GlLoadingIcon, GlTooltip, GlSprintf, GlBadge } from '@gitlab/ui';
import AlertWidget from '~/monitoring/components/alert_widget.vue';
import waitForPromises from 'helpers/wait_for_promises';
import createFlash from '~/flash';
const mockReadAlert = jest.fn();
const mockCreateAlert = jest.fn();
const mockUpdateAlert = jest.fn();
const mockDeleteAlert = jest.fn();
jest.mock('~/flash');
jest.mock(
'~/monitoring/services/alerts_service',
() =>
function AlertsServiceMock() {
return {
readAlert: mockReadAlert,
createAlert: mockCreateAlert,
updateAlert: mockUpdateAlert,
deleteAlert: mockDeleteAlert,
};
},
);
describe('AlertWidget', () => {
let wrapper;
const nonFiringAlertResult = [
{
values: [[0, 1], [1, 42], [2, 41]],
},
];
const firingAlertResult = [
{
values: [[0, 42], [1, 43], [2, 44]],
},
];
const metricId = '5';
const alertPath = 'my/alert.json';
const relevantQueries = [
{
metricId,
label: 'alert-label',
alert_path: alertPath,
result: nonFiringAlertResult,
},
];
const firingRelevantQueries = [
{
metricId,
label: 'alert-label',
alert_path: alertPath,
result: firingAlertResult,
},
];
const defaultProps = {
alertsEndpoint: '',
relevantQueries,
alertsToManage: {},
modalId: 'alert-modal-1',
};
const propsWithAlert = {
relevantQueries,
};
const propsWithAlertData = {
relevantQueries,
alertsToManage: {
[alertPath]: { operator: '>', threshold: 42, alert_path: alertPath, metricId },
},
};
const createComponent = propsData => {
wrapper = shallowMount(AlertWidget, {
stubs: { GlTooltip, GlSprintf },
propsData: {
...defaultProps,
...propsData,
},
});
};
const hasLoadingIcon = () => wrapper.contains(GlLoadingIcon);
const findWidgetForm = () => wrapper.find({ ref: 'widgetForm' });
const findAlertErrorMessage = () => wrapper.find({ ref: 'alertErrorMessage' });
const findCurrentSettingsText = () =>
wrapper
.find({ ref: 'alertCurrentSetting' })
.text()
.replace(/\s\s+/g, ' ');
const findBadge = () => wrapper.find(GlBadge);
const findTooltip = () => wrapper.find(GlTooltip);
afterEach(() => {
wrapper.destroy();
wrapper = null;
});
it('displays a loading spinner and disables form when fetching alerts', () => {
let resolveReadAlert;
mockReadAlert.mockReturnValue(
new Promise(resolve => {
resolveReadAlert = resolve;
}),
);
createComponent(defaultProps);
return wrapper.vm
.$nextTick()
.then(() => {
expect(hasLoadingIcon()).toBe(true);
expect(findWidgetForm().props('disabled')).toBe(true);
resolveReadAlert({ operator: '==', threshold: 42 });
})
.then(() => waitForPromises())
.then(() => {
expect(hasLoadingIcon()).toBe(false);
expect(findWidgetForm().props('disabled')).toBe(false);
});
});
it('does not render loading spinner if showLoadingState is false', () => {
let resolveReadAlert;
mockReadAlert.mockReturnValue(
new Promise(resolve => {
resolveReadAlert = resolve;
}),
);
createComponent({
...defaultProps,
showLoadingState: false,
});
return wrapper.vm
.$nextTick()
.then(() => {
expect(wrapper.find(GlLoadingIcon).exists()).toBe(false);
resolveReadAlert({ operator: '==', threshold: 42 });
})
.then(() => waitForPromises())
.then(() => {
expect(wrapper.find(GlLoadingIcon).exists()).toBe(false);
});
});
it('displays an error message when fetch fails', () => {
mockReadAlert.mockRejectedValue();
createComponent(propsWithAlert);
expect(hasLoadingIcon()).toBe(true);
return waitForPromises().then(() => {
expect(createFlash).toHaveBeenCalled();
expect(hasLoadingIcon()).toBe(false);
});
});
describe('Alert not firing', () => {
it('displays a warning icon and matches snapshot', () => {
mockReadAlert.mockResolvedValue({ operator: '>', threshold: 42 });
createComponent(propsWithAlertData);
return waitForPromises().then(() => {
expect(findBadge().element).toMatchSnapshot();
});
});
it('displays an alert summary when there is a single alert', () => {
mockReadAlert.mockResolvedValue({ operator: '>', threshold: 42 });
createComponent(propsWithAlertData);
return waitForPromises().then(() => {
expect(findCurrentSettingsText()).toEqual('alert-label > 42');
});
});
it('displays a combined alert summary when there are multiple alerts', () => {
mockReadAlert.mockResolvedValue({ operator: '>', threshold: 42 });
const propsWithManyAlerts = {
relevantQueries: [
...relevantQueries,
...[
{
metricId: '6',
alert_path: 'my/alert2.json',
label: 'alert-label2',
result: [{ values: [] }],
},
],
],
alertsToManage: {
'my/alert.json': {
operator: '>',
threshold: 42,
alert_path: alertPath,
metricId,
},
'my/alert2.json': {
operator: '==',
threshold: 900,
alert_path: 'my/alert2.json',
metricId: '6',
},
},
};
createComponent(propsWithManyAlerts);
return waitForPromises().then(() => {
expect(findCurrentSettingsText()).toContain('2 alerts applied');
});
});
});
describe('Alert firing', () => {
it('displays a warning icon and matches snapshot', () => {
mockReadAlert.mockResolvedValue({ operator: '>', threshold: 42 });
propsWithAlertData.relevantQueries = firingRelevantQueries;
createComponent(propsWithAlertData);
return waitForPromises().then(() => {
expect(findBadge().element).toMatchSnapshot();
});
});
it('displays an alert summary when there is a single alert', () => {
mockReadAlert.mockResolvedValue({ operator: '>', threshold: 42 });
propsWithAlertData.relevantQueries = firingRelevantQueries;
createComponent(propsWithAlertData);
return waitForPromises().then(() => {
expect(findCurrentSettingsText()).toEqual('Firing: alert-label > 42');
});
});
it('displays a combined alert summary when there are multiple alerts', () => {
mockReadAlert.mockResolvedValue({ operator: '>', threshold: 42 });
const propsWithManyAlerts = {
relevantQueries: [
...firingRelevantQueries,
...[
{
metricId: '6',
alert_path: 'my/alert2.json',
label: 'alert-label2',
result: [{ values: [] }],
},
],
],
alertsToManage: {
'my/alert.json': {
operator: '>',
threshold: 42,
alert_path: alertPath,
metricId,
},
'my/alert2.json': {
operator: '==',
threshold: 900,
alert_path: 'my/alert2.json',
metricId: '6',
},
},
};
createComponent(propsWithManyAlerts);
return waitForPromises().then(() => {
expect(findCurrentSettingsText()).toContain('2 alerts applied, 1 firing');
});
});
it('should display tooltip with thresholds summary', () => {
mockReadAlert.mockResolvedValue({ operator: '>', threshold: 42 });
const propsWithManyAlerts = {
relevantQueries: [
...firingRelevantQueries,
...[
{
metricId: '6',
alert_path: 'my/alert2.json',
label: 'alert-label2',
result: [{ values: [] }],
},
],
],
alertsToManage: {
'my/alert.json': {
operator: '>',
threshold: 42,
alert_path: alertPath,
metricId,
},
'my/alert2.json': {
operator: '==',
threshold: 900,
alert_path: 'my/alert2.json',
metricId: '6',
},
},
};
createComponent(propsWithManyAlerts);
return waitForPromises().then(() => {
expect(
findTooltip()
.text()
.replace(/\s\s+/g, ' '),
).toEqual('Firing: alert-label > 42');
});
});
});
it('creates an alert with an appropriate handler', () => {
const alertParams = {
operator: '<',
threshold: 4,
prometheus_metric_id: '5',
};
mockReadAlert.mockResolvedValue({ operator: '>', threshold: 42 });
const fakeAlertPath = 'foo/bar';
mockCreateAlert.mockResolvedValue({ alert_path: fakeAlertPath, ...alertParams });
createComponent({
alertsToManage: {
[fakeAlertPath]: {
alert_path: fakeAlertPath,
operator: '<',
threshold: 4,
prometheus_metric_id: '5',
metricId: '5',
},
},
});
findWidgetForm().vm.$emit('create', alertParams);
expect(mockCreateAlert).toHaveBeenCalledWith(alertParams);
});
it('updates an alert with an appropriate handler', () => {
const alertParams = { operator: '<', threshold: 4, alert_path: alertPath };
const newAlertParams = { operator: '==', threshold: 12 };
mockReadAlert.mockResolvedValue(alertParams);
mockUpdateAlert.mockResolvedValue({ ...alertParams, ...newAlertParams });
createComponent({
...propsWithAlertData,
alertsToManage: {
[alertPath]: {
alert_path: alertPath,
operator: '==',
threshold: 12,
metricId: '5',
},
},
});
findWidgetForm().vm.$emit('update', {
alert: alertPath,
...newAlertParams,
prometheus_metric_id: '5',
});
expect(mockUpdateAlert).toHaveBeenCalledWith(alertPath, newAlertParams);
});
it('deletes an alert with an appropriate handler', () => {
const alertParams = { alert_path: alertPath, operator: '>', threshold: 42 };
mockReadAlert.mockResolvedValue(alertParams);
mockDeleteAlert.mockResolvedValue({});
createComponent({
...propsWithAlert,
alertsToManage: {
[alertPath]: {
alert_path: alertPath,
operator: '>',
threshold: 42,
metricId: '5',
},
},
});
findWidgetForm().vm.$emit('delete', { alert: alertPath });
return wrapper.vm.$nextTick().then(() => {
expect(mockDeleteAlert).toHaveBeenCalledWith(alertPath);
expect(findAlertErrorMessage().exists()).toBe(false);
});
});
describe('when delete fails', () => {
beforeEach(() => {
const alertParams = { alert_path: alertPath, operator: '>', threshold: 42 };
mockReadAlert.mockResolvedValue(alertParams);
mockDeleteAlert.mockRejectedValue();
createComponent({
...propsWithAlert,
alertsToManage: {
[alertPath]: {
alert_path: alertPath,
operator: '>',
threshold: 42,
metricId: '5',
},
},
});
findWidgetForm().vm.$emit('delete', { alert: alertPath });
return wrapper.vm.$nextTick();
});
it('shows error message', () => {
expect(findAlertErrorMessage().text()).toEqual('Error deleting alert');
});
it('dismisses error message on cancel', () => {
findWidgetForm().vm.$emit('cancel');
return wrapper.vm.$nextTick().then(() => {
expect(findAlertErrorMessage().exists()).toBe(false);
});
});
});
});