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import { describe, expect, it } from "vitest";
import { DiagnosticsStore } from "./diagnostics.js";
describe("diagnostics", () => {
it("formats diagnostics with severity, location, and message", () => {
const store = new DiagnosticsStore();
store.setPushDiagnostics({
uri: "file:///test.ts",
diagnostics: [
{
range: { start: { line: 0, character: 5 }, end: { line: 0, character: 10 } },
severity: 1,
source: "typescript",
message: "Cannot find name 'hello'.",
},
],
});
const formatted = store.format("file:///test.ts");
expect(formatted).toContain("ERROR");
expect(formatted).toContain("L1:6");
expect(formatted).toContain("Cannot find name 'hello'.");
expect(formatted).toContain("[typescript]");
});
it("merges push and pull diagnostics with deduplication", () => {
const store = new DiagnosticsStore();
const diag = {
range: { start: { line: 0, character: 0 }, end: { line: 0, character: 5 } },
severity: 1,
message: "Error",
};
store.setPushDiagnostics({
uri: "file:///test.ts",
diagnostics: [diag],
});
store.setPullDiagnostics("file:///test.ts", {
kind: "full",
items: [diag],
});
const merged = store.getMerged("file:///test.ts");
expect(merged).toHaveLength(1);
});
it("returns empty string when no diagnostics exist", () => {
const store = new DiagnosticsStore();
expect(store.format("file:///nonexistent.ts")).toBe("");
});
});
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