File size: 9,277 Bytes
5448d8b | 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 | import { describe, it } from "node:test";
import assert from "node:assert/strict";
import { compressToolResult } from "../../../open-sse/services/compression/toolResultCompressor.ts";
import type { ToolStrategiesConfig } from "../../../open-sse/services/compression/types.ts";
const ALL_ON: ToolStrategiesConfig = {
fileContent: true,
grepSearch: true,
shellOutput: true,
json: true,
errorMessage: true,
};
describe("compressToolResult", () => {
it("returns 'none' strategy for plain prose input", () => {
const result = compressToolResult("Hello, this is a simple message.", ALL_ON);
assert.equal(result.strategy, "none");
assert.equal(result.saved, 0);
assert.equal(result.compressed, "Hello, this is a simple message.");
});
it("returns 'none' for empty string", () => {
const result = compressToolResult("", ALL_ON);
assert.equal(result.strategy, "none");
});
it("compresses file content with code indicators", () => {
const lines = Array.from({ length: 100 }, (_, i) => `line ${i}`);
const code = `import x from "y";\nfunction f() {\n${lines.join("\n")}\n}`;
const result = compressToolResult(code, ALL_ON);
assert.equal(result.strategy, "fileContent");
assert.ok(result.saved > 0);
assert.ok(result.compressed.includes("…") || result.compressed.includes("elided"));
});
it("compresses grep search output", () => {
const lines = Array.from(
{ length: 100 },
(_, i) => `src/file${i % 5}.ts:${i + 1}:10: match found`
);
const content = lines.join("\n");
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "grepSearch");
assert.ok(result.saved > 0);
assert.ok(result.compressed.includes("… [") || result.compressed.includes("more matches"));
});
it("compresses shell output with ANSI codes", () => {
const content =
"\x1b[32mSuccess\x1b[0m\n" +
Array.from({ length: 60 }, (_, i) => `output line ${i}`).join("\n");
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "shellOutput");
assert.ok(result.saved > 0);
assert.ok(!result.compressed.includes("\x1b["));
});
it("compresses shell output with $ prompt", () => {
const content = "$ ls -la\ntotal 42\nfile1.txt\nfile2.txt";
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "shellOutput");
});
it("compresses large JSON array", () => {
const arr = Array.from({ length: 100 }, (_, i) => ({
id: i,
name: `item${i}`,
data: "x".repeat(50),
}));
const content = JSON.stringify(arr);
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "json");
assert.ok(result.saved > 0);
assert.ok(result.compressed.includes("total"));
});
it("compresses large JSON object", () => {
const obj: Record<string, unknown> = {};
for (let i = 0; i < 30; i++) {
obj[`key${i}`] = { nested: "value".repeat(20) };
}
const content = JSON.stringify(obj);
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "json");
assert.ok(result.saved > 0);
});
it("does not compress small JSON", () => {
const content = JSON.stringify({ a: 1, b: 2 });
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "none");
});
it("compresses error messages with stack trace", () => {
const frames = Array.from(
{ length: 20 },
(_, i) => ` at func${i} (file${i}.ts:${i + 1}:${i + 10})`
);
const content = `TypeError: Cannot read property 'x' of undefined\n${frames.join("\n")}`;
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "errorMessage");
assert.ok(result.saved > 0);
});
it("compresses Python Traceback", () => {
const content =
"Traceback (most recent call last):\n File 'app.py', line 42\n x = undefined()\nException: NameError";
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "errorMessage");
});
it("skips strategy when toggle is off", () => {
const code =
`import x from "y";\nfunction f() {}\n` +
Array.from({ length: 50 }, (_, i) => `line ${i}`).join("\n");
const opts: ToolStrategiesConfig = { ...ALL_ON, fileContent: false };
const result = compressToolResult(code, opts);
assert.notEqual(result.strategy, "fileContent");
});
it("skips grep strategy when toggle is off", () => {
const content = "src/file.ts:10:5: match\nsrc/file.ts:20:8: match";
const opts: ToolStrategiesConfig = { ...ALL_ON, grepSearch: false };
const result = compressToolResult(content, opts);
assert.notEqual(result.strategy, "grepSearch");
});
it("skips shell strategy when toggle is off", () => {
const content = "\x1b[32moutput\x1b[0m\n$ command";
const opts: ToolStrategiesConfig = { ...ALL_ON, shellOutput: false };
const result = compressToolResult(content, opts);
assert.notEqual(result.strategy, "shellOutput");
});
it("skips json strategy when toggle is off", () => {
const arr = Array.from({ length: 100 }, (_, i) => ({ id: i }));
const content = JSON.stringify(arr);
const opts: ToolStrategiesConfig = { ...ALL_ON, json: false };
const result = compressToolResult(content, opts);
assert.notEqual(result.strategy, "json");
});
it("skips error strategy when toggle is off", () => {
const content = "Error: something went wrong\n at func (file.ts:1:1)";
const opts: ToolStrategiesConfig = { ...ALL_ON, errorMessage: false };
const result = compressToolResult(content, opts);
assert.notEqual(result.strategy, "errorMessage");
});
it("all toggles off returns 'none'", () => {
const content = "Error: bad\nsrc/file.ts:10:5: match\n$ ls";
const opts: ToolStrategiesConfig = {
fileContent: false,
grepSearch: false,
shellOutput: false,
json: false,
errorMessage: false,
};
const result = compressToolResult(content, opts);
assert.equal(result.strategy, "none");
assert.equal(result.saved, 0);
});
it("deduplicates consecutive identical lines in shell output", () => {
const lines = ["$ ls", "file1.txt", "file1.txt", "file1.txt", "file2.txt"];
const content = lines.join("\n");
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "shellOutput");
const deduped = result.compressed.split("\n");
const file1Count = deduped.filter((l) => l === "file1.txt").length;
assert.ok(file1Count <= 2, `Expected <= 2 'file1.txt' lines, got ${file1Count}`);
});
it("handles malformed JSON gracefully", () => {
const content = "{invalid json" + "x".repeat(3000);
const result = compressToolResult(content, ALL_ON);
assert.notEqual(result.strategy, "json");
});
it("handles short code without compression", () => {
const content = "import x from 'y';\nconst z = 1;";
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "none");
});
it("fileContent keeps first 20 and last 5 lines", () => {
const lines = Array.from({ length: 100 }, (_, i) => `line ${i}`);
const code = `import x from "y";\nfunction f() {\n${lines.join("\n")}\n}`;
const result = compressToolResult(code, ALL_ON);
assert.equal(result.strategy, "fileContent");
assert.ok(result.compressed.includes("line 0"));
assert.ok(result.compressed.includes("line 99"));
});
it("grepSearch deduplicates paths", () => {
const lines = Array.from({ length: 50 }, (_, i) => `src/app.ts:${i + 1}:10: match`);
const content = lines.join("\n");
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "grepSearch");
assert.ok(result.compressed.includes("Files:"));
assert.ok(result.compressed.includes("src/app.ts"));
});
it("errorMessage keeps error type and stack frames", () => {
const content =
"Error: TS2304 Cannot find name 'x'\n at func1 (a.ts:1:1)\n at func2 (b.ts:2:2)\n at func3 (c.ts:3:3)";
const result = compressToolResult(content, ALL_ON);
assert.equal(result.strategy, "errorMessage");
assert.ok(result.compressed.includes("Error: TS2304"));
});
it("json array compression preserves first 5 and last 2 elements", () => {
const arr = Array.from({ length: 20 }, (_, i) => ({ id: i, name: `item${i}` }));
const content = JSON.stringify(arr);
const padded = content.padEnd(3000, " ");
const result = compressToolResult(padded, ALL_ON);
if (result.strategy === "json") {
assert.ok(result.compressed.includes("total"));
}
});
it("returns original content unchanged for 'none' strategy", () => {
const content = "Just some plain text without any patterns.";
const result = compressToolResult(content, ALL_ON);
assert.equal(result.compressed, content);
assert.equal(result.strategy, "none");
assert.equal(result.saved, 0);
});
});
|