config-loader-tests.ts
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import { assert } from "chai";
import {
configLoader,
loadConfig,
ConfigLoaderFailResult,
ConfigLoaderSuccessResult
} from "../src/config-loader";
import { join } from "path";
describe("config-loader", (): void => {
it("should use explicitParams when set", () => {
const result = configLoader({
explicitParams: {
baseUrl: "/foo/bar",
paths: {
asd: ["asd"]
}
},
cwd: "/baz"
});
const successResult = result as ConfigLoaderSuccessResult;
assert.equal(successResult.resultType, "success");
assert.equal(successResult.absoluteBaseUrl, "/foo/bar");
assert.equal(successResult.paths["asd"][0], "asd");
});
it("should use explicitParams when set and add cwd when path is relative", () => {
const result = configLoader({
explicitParams: {
baseUrl: "bar/",
paths: {
asd: ["asd"]
}
},
cwd: "/baz"
});
const successResult = result as ConfigLoaderSuccessResult;
assert.equal(successResult.resultType, "success");
assert.equal(successResult.absoluteBaseUrl, join("/baz", "bar/"));
});
it("should fallback to tsConfigLoader when explicitParams is not set", () => {
const result = configLoader({
explicitParams: undefined,
cwd: "/baz",
// tslint:disable-next-line:no-any
tsConfigLoader: (_: any) => ({
tsConfigPath: "/baz/tsconfig.json",
baseUrl: "./src",
paths: {}
})
});
const successResult = result as ConfigLoaderSuccessResult;
assert.equal(successResult.resultType, "success");
assert.equal(successResult.absoluteBaseUrl, join("/baz", "src"));
});
it("should show an error message when baseUrl is missing", () => {
const result = configLoader({
explicitParams: undefined,
cwd: "/baz",
// tslint:disable-next-line:no-any
tsConfigLoader: (_: any) => ({
tsConfigPath: "/baz/tsconfig.json",
baseUrl: undefined,
paths: {}
})
});
const failResult = result as ConfigLoaderFailResult;
assert.equal(failResult.resultType, "failed");
assert.isTrue(failResult.message.indexOf("baseUrl") > -1);
});
it("should presume cwd to be a tsconfig file when loadConfig is called with absolute path to tsconfig.json", () => {
// using tsconfig-named.json to ensure that future changes to fix
// https://github.com/dividab/tsconfig-paths/issues/31
// do not pass this test case just because of a directory walk looking
// for tsconfig.json
const configFile = join(__dirname, "tsconfig-named.json");
const result = loadConfig(configFile);
const successResult = result as ConfigLoaderSuccessResult;
assert.equal(successResult.resultType, "success");
assert.equal(successResult.configFileAbsolutePath, configFile);
});
});