From 8a59f92d031963e23ecc84b75feecf43eb4dd146 Mon Sep 17 00:00:00 2001
From: "netop://ウィビ" <paul@webb.page>
Date: Fri, 24 Apr 2026 11:33:25 -0700
Subject: Initial commit: @eol/graphiql v0.3

Svelte 5 GraphiQL alternative for JSR. Covers:
- HTTP fetcher with injectable fetch; SSE/WS stubs
- Session store with tabs, auto-titling, persistence, rename
- Operation detection via graphql parse(); Toolbar picker
- CodeMirror 6 editor via cm6-graphql with theme prop
- Light theme preset (hand-rolled EditorView.theme)
- Doc explorer with breadcrumb nav and type guards
- History panel with 100-entry cap, favorite pinning
- Deno tests for operations, storage, and history eviction
---
 tests/history.test.ts | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 tests/history.test.ts

(limited to 'tests/history.test.ts')

diff --git a/tests/history.test.ts b/tests/history.test.ts
new file mode 100644
index 0000000..ecd7785
--- /dev/null
+++ b/tests/history.test.ts
@@ -0,0 +1,77 @@
+
+
+
+/*** IMPORT ------------------------------------------- ***/
+
+import { assertEquals } from "jsr:@std/assert@^1.0.0";
+
+/*** UTILITY ------------------------------------------ ***/
+
+import { evict } from "../source/library/state/history-logic.ts";
+
+type Entry = {
+  favorite: boolean;
+  id: string;
+  timestamp: number;
+};
+
+function entry(id: string, timestamp: number, favorite = false): Entry {
+  return { favorite, id, timestamp };
+}
+
+/*** TESTS -------------------------------------------- ***/
+
+Deno.test("evict keeps everything when under cap", () => {
+  const entries = [entry("a", 3), entry("b", 2), entry("c", 1)];
+  assertEquals(evict(entries, 5), entries);
+});
+
+Deno.test("evict drops the oldest non-favorites above cap", () => {
+  const entries = [
+    entry("a", 5),
+    entry("b", 4),
+    entry("c", 3),
+    entry("d", 2),
+    entry("e", 1)
+  ];
+  const kept = evict(entries, 3);
+  assertEquals(kept.map((e) => e.id), ["a", "b", "c"]);
+});
+
+Deno.test("evict never drops favorites", () => {
+  const entries = [
+    entry("a", 10),
+    entry("b", 9),
+    entry("fav-old", 1, true),
+    entry("c", 8),
+    entry("d", 7)
+  ];
+  const kept = evict(entries, 3);
+
+  assertEquals(kept.some((e) => e.id === "fav-old"), true);
+  assertEquals(kept.length, 3);
+});
+
+Deno.test("evict can exceed cap when favorites alone do so", () => {
+  const entries = [
+    entry("fav-1", 5, true),
+    entry("fav-2", 4, true),
+    entry("fav-3", 3, true),
+    entry("regular", 2)
+  ];
+  const kept = evict(entries, 2);
+
+  assertEquals(kept.length, 3);
+  assertEquals(kept.every((e) => e.favorite), true);
+});
+
+Deno.test("evict sorts by timestamp descending", () => {
+  const entries = [
+    entry("c", 1),
+    entry("a", 3),
+    entry("b", 2),
+    entry("d", 0)
+  ];
+  const kept = evict(entries, 3);
+  assertEquals(kept.map((e) => e.id), ["a", "b", "c"]);
+});
-- 
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