@muirglacier/testcontainers
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A collection of TypeScript + JavaScript tools and libraries for DeFi Blockchain developers to build decentralized finance for Bitcoin
127 lines • 4.83 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DockerContainer = void 0;
const dockerode_1 = __importDefault(require("dockerode"));
class DockerContainer {
constructor(image, options) {
this.image = image;
this.docker = new dockerode_1.default(options);
}
get id() {
return this.requireContainer().id;
}
getIp(name = 'default') {
return __awaiter(this, void 0, void 0, function* () {
const { NetworkSettings: networkSettings } = yield this.inspect();
const { Networks: networks } = networkSettings;
return networks[name].IPAddress;
});
}
/**
* Try pull docker image if it doesn't already exist.
*/
tryPullImage() {
return __awaiter(this, void 0, void 0, function* () {
if (yield hasImageLocally(this.image, this.docker)) {
return;
}
/* istanbul ignore next */
return yield new Promise((resolve, reject) => {
this.docker.pull(this.image, {}, (error, result) => {
if (error instanceof Error) {
reject(error);
return;
}
this.docker.modem.followProgress(result, () => {
resolve();
});
});
});
});
}
/**
* Require container, else error exceptionally.
* Not a clean design, but it keep the complexity of this implementation low.
*/
requireContainer() {
if (this.container !== undefined) {
return this.container;
}
throw new Error('container not yet started');
}
/**
* Get host machine port
*
* @param {string} name of ExposedPorts e.g. '80/tcp'
*/
getPort(name) {
return __awaiter(this, void 0, void 0, function* () {
const container = this.requireContainer();
return yield new Promise((resolve, reject) => {
container.inspect(function (err, data) {
if (err instanceof Error) {
return reject(err);
}
if ((data === null || data === void 0 ? void 0 : data.NetworkSettings.Ports[name]) !== undefined) {
return resolve(data.NetworkSettings.Ports[name][0].HostPort);
}
return reject(new Error('Unable to find rpc port, the container might have crashed'));
});
});
});
}
/**
* tty into docker
*/
exec(opts) {
return __awaiter(this, void 0, void 0, function* () {
return yield new Promise((resolve, reject) => {
const container = this.requireContainer();
container.exec({
Cmd: opts.Cmd
}, (error, exec) => {
if (error instanceof Error) {
reject(error);
}
else {
exec === null || exec === void 0 ? void 0 : exec.start({}).then(() => setTimeout(resolve, 100)).catch(reject);
}
});
});
});
}
/**
* Inspect docker container info
*
* @return {Promise<Record<string, any>>}
*/
inspect() {
return __awaiter(this, void 0, void 0, function* () {
const container = this.requireContainer();
return yield container.inspect();
});
}
}
exports.DockerContainer = DockerContainer;
function hasImageLocally(image, docker) {
return __awaiter(this, void 0, void 0, function* () {
return yield new Promise((resolve, reject) => {
docker.getImage(image).inspect((error, result) => {
resolve(!(error instanceof Error));
});
});
});
}
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