rong 0.1.1

RongJS runtime and embedding API
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296

const STORAGE_DB_PATH =
  globalThis.TEST_STORAGE_DB_PATH ??
  `${
    typeof WORKSPACE_ROOT !== "undefined" ? WORKSPACE_ROOT : "."
  }/target/test-tmp/test_storage.db`;

describe("Storage API", () => {
  let storage;

  beforeEach(async () => {
    if (!storage) {
      storage = await Rong.storage.open(STORAGE_DB_PATH);
    }
    await storage.clear();
  });

  it("should allow direct class construction with path", async () => {
    const direct = new Rong.Storage(`${STORAGE_DB_PATH}.direct`);
    await direct.clear();
    await direct.set("direct_key", "direct_value");
    assert.equal(await direct.get("direct_key"), "direct_value");
  });

  it("should honor custom limit options", async () => {
    const strict = await Rong.storage.open(`${STORAGE_DB_PATH}.strict`, {
      maxKeySize: 4,
    });
    await strict.clear();
    await strict.set("tiny", "ok");

    let errorThrown = false;
    try {
      await strict.set("too_long_key", "nope");
    } catch (err) {
      errorThrown = true;
      assert(
        err.message.includes("Key size exceeds"),
        "Error should mention key size limit",
      );
    }
    assert(errorThrown, "Setting oversized key should throw");
  });

  it("should allow immediate info() call without table creation error", async () => {
    let errorThrown = false;
    try {
      const info = await storage.info();
      assert(typeof info.currentSize === "number");
      assert(typeof info.limitSize === "number");
      assert(typeof info.keyCount === "number");
    } catch (e) {
      errorThrown = true;
      console.error("Immediate info() call failed:", e.message);
    }
    assert(
      !errorThrown,
      "info() should work immediately without table creation errors",
    );
  });

  it("should set and get string values", async () => {
    await storage.set("test_string", "hello world");
    const value = await storage.get("test_string");
    assert.equal(value, "hello world");
  });

  it("should handle comprehensive number types", async () => {
    // Test i32 range
    await storage.set("i32_min", -2147483648); // i32::MIN
    await storage.set("i32_max", 2147483647); // i32::MAX
    await storage.set("i32_regular", 42);

    // Test u32 range
    await storage.set("u32_max", 4294967295); // u32::MAX
    await storage.set("u32_regular", 100);

    // Test floating point
    await storage.set("float_pi", 3.14159);
    await storage.set("float_negative", -2.718);

    // Test large integers (should become BigInt)
    await storage.set("i64_large", 9007199254740992n); // 2^53, beyond JS safe integer
    await storage.set("u64_moderate", 9007199254740993n); // Just beyond JS safe integer for u64
    await storage.set("i64_min", -9223372036854775808n); // i64::MIN

    // Verify all values
    assert.equal(await storage.get("i32_min"), -2147483648);
    assert.equal(await storage.get("i32_max"), 2147483647);
    assert.equal(await storage.get("i32_regular"), 42);
    assert.equal(await storage.get("u32_max"), 4294967295);
    assert.equal(await storage.get("u32_regular"), 100);
    assert.equal(await storage.get("float_pi"), 3.14159);
    assert.equal(await storage.get("float_negative"), -2.718);
    assert.equal(await storage.get("i64_large"), 9007199254740992n);
    assert.equal(await storage.get("u64_moderate"), 9007199254740993n);
    assert.equal(await storage.get("i64_min"), -9223372036854775808n);
  });

  it("should set and get boolean values", async () => {
    await storage.set("test_true", true);
    await storage.set("test_false", false);

    assert.equal(await storage.get("test_true"), true);
    assert.equal(await storage.get("test_false"), false);
  });

  it("should handle null values", async () => {
    await storage.set("test_null", null);
    const value = await storage.get("test_null");
    assert.equal(value, null);
  });

  it("should handle object values", async () => {
    const testObj = {
      name: "test",
      value: 42,
      nested: {
        array: [1, 2, 3],
        bool: true,
        float: 3.14,
      },
      nullValue: null,
    };

    await storage.set("test_object", testObj);
    const retrieved = await storage.get("test_object");

    // Verify object structure
    assert.equal(retrieved.name, "test");
    assert.equal(retrieved.value, 42);
    assert.equal(retrieved.nested.bool, true);
    assert.equal(retrieved.nested.float, 3.14);
    assert.equal(retrieved.nested.array.length, 3);
    assert.equal(retrieved.nested.array[0], 1);
    assert.equal(retrieved.nested.array[1], 2);
    assert.equal(retrieved.nested.array[2], 3);
    assert.equal(retrieved.nullValue, null);
  });

  it("should handle array values", async () => {
    const testArray = [
      1,
      "hello",
      true,
      null,
      { key: "value" },
      [1, 2, 3],
      3.14159,
    ];

    await storage.set("test_array", testArray);
    const retrieved = await storage.get("test_array");

    assert.equal(retrieved.length, 7);
    assert.equal(retrieved[0], 1);
    assert.equal(retrieved[1], "hello");
    assert.equal(retrieved[2], true);
    assert.equal(retrieved[3], null);
    assert.equal(retrieved[4].key, "value");
    assert.equal(retrieved[5].length, 3);
    assert.equal(retrieved[5][0], 1);
    assert.equal(retrieved[6], 3.14159);
  });

  it("should return undefined for non-existent keys", async () => {
    const value = await storage.get("non_existent_key");
    assert.equal(value, undefined);
  });

  it("should delete values", async () => {
    await storage.set("test_delete", "to be deleted");
    assert.equal(await storage.get("test_delete"), "to be deleted");

    await storage.delete("test_delete");
    assert.equal(await storage.get("test_delete"), undefined);
  });

  it("should list all keys with for...of", async () => {
    await storage.set("key1", "value1");
    await storage.set("key2", "value2");
    await storage.set("key3", "value3");

    const iterator = await storage.list();
    const keys = [];
    for (const key of iterator) {
      keys.push(key);
    }

    assert.equal(keys.length, 3);
    assert(keys.includes("key1"));
    assert(keys.includes("key2"));
    assert(keys.includes("key3"));
  });

  it("should list keys with prefix", async () => {
    await storage.set("user:1", "alice");
    await storage.set("user:2", "bob");
    await storage.set("config:theme", "dark");

    const iterator = await storage.list("user:");
    const userKeys = Array.from(iterator);
    assert.equal(userKeys.length, 2);
    assert(userKeys.includes("user:1"));
    assert(userKeys.includes("user:2"));
    assert(!userKeys.includes("config:theme"));
  });

  it("should clear all data", async () => {
    await storage.set("key1", "value1");
    await storage.set("key2", { test: true });

    const keysBefore = Array.from(await storage.list());
    assert.equal(keysBefore.length, 2);

    await storage.clear();

    const keysAfter = Array.from(await storage.list());
    assert.equal(keysAfter.length, 0);
  });

  it("should provide storage info", async () => {
    // Clear storage first to get accurate counts
    await storage.clear();

    // Add some test data
    await storage.set("test1", { some: "data", with: ["nested", "content"] });
    await storage.set("test2", "simple string");
    await storage.set("test3", 42);

    const info = await storage.info();
    assert(typeof info.currentSize === "number");
    assert(typeof info.limitSize === "number");
    assert(typeof info.keyCount === "number");
    assert(info.currentSize > 0);
    assert(info.limitSize > 0);
    assert.equal(info.keyCount, 3, "Should have 3 keys");
  });

  it("should reject undefined values", async () => {
    let errorThrown = false;
    try {
      await storage.set("test_undefined", undefined);
    } catch (e) {
      errorThrown = true;
      assert(e.message.includes("Cannot store undefined values"));
    }
    assert(errorThrown, "Should throw error for undefined values");
  });

  it("should handle Date values", async () => {
    // Test storing and retrieving Date objects
    const testDate = new Date("2023-12-25T10:30:00.000Z");
    await storage.set("test_date", testDate);

    const retrieved = await storage.get("test_date");
    assert(retrieved instanceof Date, "Retrieved value should be a Date");
    assert.equal(
      retrieved.getTime(),
      testDate.getTime(),
      "Date timestamps should match",
    );
    assert.equal(
      retrieved.toISOString(),
      "2023-12-25T10:30:00.000Z",
      "Date should preserve exact value",
    );

    // Test with current date
    const now = new Date();
    await storage.set("test_date_now", now);
    const retrievedNow = await storage.get("test_date_now");
    assert(
      retrievedNow instanceof Date,
      "Retrieved current date should be a Date",
    );
    assert.equal(
      retrievedNow.getTime(),
      now.getTime(),
      "Current date timestamps should match",
    );

    // Test with epoch timestamp
    const epochDate = new Date(1640995200000); // 2022-01-01 00:00:00 UTC
    await storage.set("test_epoch_date", epochDate);
    const retrievedEpoch = await storage.get("test_epoch_date");
    assert(
      retrievedEpoch instanceof Date,
      "Retrieved epoch date should be a Date",
    );
    assert.equal(
      retrievedEpoch.getTime(),
      1640995200000,
      "Epoch date should preserve timestamp",
    );
  });
});