@netdata/charts
Version:
Netdata frontend SDK and chart utilities
262 lines (261 loc) • 12.5 kB
JavaScript
;
var _makeDataFetch = _interopRequireDefault(require("./makeDataFetch"));
var _testUtilities = require("@jest/testUtilities");
var _makeDefaultSDK = _interopRequireDefault(require("../../makeDefaultSDK"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
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var rawPayload = {
result: {
data: [[1000, [10]], [2000, [20]]],
labels: ["time", "value"],
point: {
value: 0
}
}
};
describe("makeDataFetch", function () {
var mockChart;
beforeEach(function () {
var attributes = {
after: -300,
before: 0,
firstEntry: 1000000,
chartType: "line",
title: null,
loaded: false,
initializedFilters: true
};
mockChart = {
getAttribute: jest.fn(function (name, fallback) {
var _attributes$name;
return (_attributes$name = attributes[name]) !== null && _attributes$name !== void 0 ? _attributes$name : fallback;
}),
getAttributes: jest.fn(function () {
return attributes;
}),
updateAttribute: jest.fn(function (name, value) {
attributes[name] = value;
}),
updateAttributes: jest.fn(function (nextAttributes) {
Object.assign(attributes, nextAttributes);
}),
setAttributes: jest.fn(function (nextAttributes) {
Object.assign(attributes, nextAttributes);
}),
trigger: jest.fn(),
on: jest.fn(),
getParent: jest.fn(function () {
return {
updateAttribute: jest.fn()
};
}),
getRoot: jest.fn(function () {
return {
trigger: jest.fn()
};
}),
getChart: jest.fn(function () {
return Promise.resolve(rawPayload);
}),
updateDimensions: jest.fn(),
startAutofetch: jest.fn(),
backoff: jest.fn(),
invalidateClosestRowCache: jest.fn(),
getFilteredNodeIds: jest.fn(function () {
return [];
}),
getUnits: jest.fn(function () {
return "value";
})
};
global.Date.now = jest.fn(function () {
return 1000000000;
});
global.AbortController = jest.fn(function () {
return {
abort: jest.fn(),
signal: {}
};
});
(0, _makeDataFetch["default"])(mockChart);
});
afterEach(function () {
jest.restoreAllMocks();
});
it("adds getPayload method to chart", function () {
expect(_typeof(mockChart.getPayload)).toBe("function");
});
it("returns initial payload from getPayload", function () {
var result = mockChart.getPayload();
expect(result).toEqual({
labels: [],
data: [],
all: [],
tree: {}
});
});
it("adds cancelFetch method to chart", function () {
expect(_typeof(mockChart.cancelFetch)).toBe("function");
});
it("adds doneFetch method to chart", function () {
expect(_typeof(mockChart.doneFetch)).toBe("function");
});
it("adds failFetch method to chart", function () {
expect(_typeof(mockChart.failFetch)).toBe("function");
});
it("adds baseFetch method to chart", function () {
expect(_typeof(mockChart.baseFetch)).toBe("function");
});
it("adds fetch method to chart", function () {
expect(_typeof(mockChart.fetch)).toBe("function");
});
it("adds consumePayload method to chart", function () {
expect(_typeof(mockChart.consumePayload)).toBe("function");
});
it("sets lastFetch property on chart", function () {
expect(mockChart.lastFetch).toEqual([null, null]);
});
it("registers fetch event listener", function () {
expect(mockChart.on).toHaveBeenCalledWith("fetch", mockChart.fetch);
});
it("handles cancelFetch when no abort controller", function () {
expect(function () {
return mockChart.cancelFetch();
}).not.toThrow();
});
it("handles failFetch with abort error", function () {
var abortError = {
name: "AbortError"
};
mockChart.failFetch(abortError);
expect(mockChart.updateAttribute).toHaveBeenCalledWith("loading", false);
});
it("handles failFetch with general error", function () {
var error = {
message: "Network error"
};
mockChart.failFetch(error);
expect(mockChart.backoff).toHaveBeenCalled();
expect(mockChart.trigger).toHaveBeenCalledWith("failFetch", error);
});
it("consumePayload returns false when no new payload", function () {
var result = mockChart.consumePayload();
expect(result).toBe(false);
});
it("baseFetch calls getChart with correct options", /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regenerator().m(function _callee() {
return _regenerator().w(function (_context) {
while (1) switch (_context.n) {
case 0:
_context.n = 1;
return mockChart.baseFetch();
case 1:
expect(mockChart.getChart).toHaveBeenCalledWith(mockChart, {
params: {},
signal: undefined
});
case 2:
return _context.a(2);
}
}, _callee);
})));
it("fetch updates loading state", function () {
mockChart.fetch();
expect(mockChart.updateAttributes).toHaveBeenCalledWith({
processing: false,
loading: true,
fetchStartedAt: 1000000000
});
});
it("fetch triggers startFetch event", function () {
mockChart.fetch();
expect(mockChart.trigger).toHaveBeenCalledWith("startFetch");
});
it("stores the live request anchor after a successful fetch", /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regenerator().m(function _callee2() {
var _makeTestChart, chart;
return _regenerator().w(function (_context2) {
while (1) switch (_context2.n) {
case 0:
global.Date.now.mockReturnValue(1000500);
_makeTestChart = (0, _testUtilities.makeTestChart)({
attributes: {
after: -300,
before: 0,
renderedAt: null,
hovering: false,
viewUpdateEvery: 0
}
}), chart = _makeTestChart.chart;
_context2.n = 1;
return chart.fetch();
case 1:
_context2.n = 2;
return new Promise(function (resolve) {
return setTimeout(resolve, 0);
});
case 2:
expect(chart.getAttribute("liveAnchor")).toBe(1001000);
expect(chart.getDateWindow()).toEqual([701000, 1001000]);
case 3:
return _context2.a(2);
}
}, _callee2);
})));
it("keeps the live request anchor bound to its own fetch response", /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regenerator().m(function _callee3() {
var resolves, getChart, sdk, chart, firstFetch, secondFetch;
return _regenerator().w(function (_context3) {
while (1) switch (_context3.n) {
case 0:
resolves = [];
getChart = jest.fn(function () {
return new Promise(function (resolve) {
resolves.push(resolve);
});
});
sdk = (0, _makeDefaultSDK["default"])({
attributes: {
after: -300,
before: 0,
renderedAt: null,
hovering: false,
viewUpdateEvery: 0
}
});
chart = sdk.makeChart({
getChart: getChart
});
sdk.appendChild(chart);
global.Date.now.mockReturnValue(1000500);
firstFetch = chart.fetch();
resolves[0](rawPayload);
_context3.n = 1;
return firstFetch;
case 1:
chart.updateAttribute("selectedDimensions", ["value"]);
global.Date.now.mockReturnValue(1001500);
secondFetch = chart.fetch();
_context3.n = 2;
return new Promise(function (resolve) {
return setTimeout(resolve, 0);
});
case 2:
expect(chart.getAttribute("liveAnchor")).toBe(1001000);
resolves[1](rawPayload);
_context3.n = 3;
return secondFetch;
case 3:
_context3.n = 4;
return new Promise(function (resolve) {
return setTimeout(resolve, 0);
});
case 4:
expect(chart.getAttribute("liveAnchor")).toBe(1002000);
case 5:
return _context3.a(2);
}
}, _callee3);
})));
});