117 lines
3.9 KiB
TypeScript
117 lines
3.9 KiB
TypeScript
import { afterAll, describe, expect, mock, test } from "bun:test";
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import type { GraphQLResponse } from "../../../src/mutator/branch/client";
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import { GraphQLClient } from "../../../src/mutator/branch/client";
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const originalFetch = globalThis.fetch;
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function mockFetch(response: Partial<Response> & { jsonData?: unknown }) {
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globalThis.fetch = mock(() =>
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Promise.resolve({
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ok: response.ok ?? true,
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status: response.status ?? 200,
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statusText: response.statusText ?? "OK",
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json: mock(() => Promise.resolve(response.jsonData ?? { data: {} })),
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text: mock(() =>
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Promise.resolve(JSON.stringify(response.jsonData ?? { data: {} })),
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),
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}),
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) as any;
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}
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afterAll(() => {
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globalThis.fetch = originalFetch;
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});
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describe("GraphQLClient", () => {
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test("throws when constructed without token", () => {
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expect(() => new GraphQLClient("")).toThrow(
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"A GitHub token is required to construct a GraphQLClient.",
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);
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});
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test("throws on non-2xx response", async () => {
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mockFetch({ ok: false, status: 401, statusText: "Unauthorized" });
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const client = new GraphQLClient("fake-token");
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await expect(client.execute("query { viewer { login } }")).rejects.toThrow(
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"GitHub GraphQL request failed (status=401)",
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);
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});
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test("throws on GraphQL errors in execute()", async () => {
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mockFetch({
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ok: true,
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jsonData: { errors: [{ message: "Something went wrong" }] },
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});
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const client = new GraphQLClient("fake-token");
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await expect(client.execute("query { x }")).rejects.toThrow(
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"GraphQL errors: Something went wrong",
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);
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});
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test("throws when no data returned in execute()", async () => {
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mockFetch({
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ok: true,
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jsonData: { errors: [] },
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});
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const client = new GraphQLClient("fake-token");
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await expect(client.execute("query { x }")).rejects.toThrow(
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"No data returned from GitHub API",
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);
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});
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test("returns data on successful query", async () => {
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mockFetch({
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ok: true,
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jsonData: { data: { viewer: { login: "testuser" } } },
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});
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const client = new GraphQLClient("fake-token");
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const result = await client.execute("query { viewer { login } }");
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expect(result).toEqual({ viewer: { login: "testuser" } });
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});
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test("executeWithPartial returns data + errors without throwing", async () => {
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mockFetch({
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ok: true,
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jsonData: {
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data: { b0: { commit: { oid: "abc" } }, b1: null },
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errors: [{ message: "Branch protected", path: ["b1"] }],
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},
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});
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const client = new GraphQLClient("fake-token");
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const result = await client.executeWithPartial("mutation { ... }");
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expect(result.data).toBeDefined();
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expect(result.errors).toHaveLength(1);
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expect(result.errors![0].message).toBe("Branch protected");
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});
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test("executeWithPartial throws on non-2xx", async () => {
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mockFetch({ ok: false, status: 500, statusText: "Internal Server Error" });
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const client = new GraphQLClient("fake-token");
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await expect(client.executeWithPartial("query { x }")).rejects.toThrow(
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"GitHub GraphQL request failed (status=500)",
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);
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});
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test("sends correct headers and body", async () => {
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mockFetch({ ok: true, jsonData: { data: {} } });
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const client = new GraphQLClient("ghp_token123");
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await client.execute("query Test($x: String!) { node(id: $x) }", {
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x: "abc",
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});
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const fetchMock = globalThis.fetch as any;
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const call = fetchMock.mock.calls[0];
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const [url, options] = call;
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expect(url).toBe("https://api.github.com/graphql");
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expect(options.method).toBe("POST");
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expect(options.headers.Authorization).toBe("Bearer ghp_token123");
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expect(options.headers["Content-Type"]).toBe("application/json");
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const body = JSON.parse(options.body);
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expect(body.query).toBe("query Test($x: String!) { node(id: $x) }");
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expect(body.variables).toEqual({ x: "abc" });
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});
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});
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