File size: 7,925 Bytes
d810ed8 |
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 |
/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect } from 'vitest';
import { extractInjections } from './injectionParser.js';
describe('extractInjections', () => {
const SHELL_TRIGGER = '!{';
const AT_FILE_TRIGGER = '@{';
describe('Basic Functionality', () => {
it('should return an empty array if no trigger is present', () => {
const prompt = 'This is a simple prompt without injections.';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toEqual([]);
});
it('should extract a single, simple injection', () => {
const prompt = 'Run this command: !{ls -la}';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toEqual([
{
content: 'ls -la',
startIndex: 18,
endIndex: 27,
},
]);
});
it('should extract multiple injections', () => {
const prompt = 'First: !{cmd1}, Second: !{cmd2}';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toHaveLength(2);
expect(result[0]).toEqual({
content: 'cmd1',
startIndex: 7,
endIndex: 14,
});
expect(result[1]).toEqual({
content: 'cmd2',
startIndex: 24,
endIndex: 31,
});
});
it('should handle different triggers (e.g., @{)', () => {
const prompt = 'Read this file: @{path/to/file.txt}';
const result = extractInjections(prompt, AT_FILE_TRIGGER);
expect(result).toEqual([
{
content: 'path/to/file.txt',
startIndex: 16,
endIndex: 35,
},
]);
});
});
describe('Positioning and Edge Cases', () => {
it('should handle injections at the start and end of the prompt', () => {
const prompt = '!{start} middle text !{end}';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toHaveLength(2);
expect(result[0]).toEqual({
content: 'start',
startIndex: 0,
endIndex: 8,
});
expect(result[1]).toEqual({
content: 'end',
startIndex: 21,
endIndex: 27,
});
});
it('should handle adjacent injections', () => {
const prompt = '!{A}!{B}';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toHaveLength(2);
expect(result[0]).toEqual({ content: 'A', startIndex: 0, endIndex: 4 });
expect(result[1]).toEqual({ content: 'B', startIndex: 4, endIndex: 8 });
});
it('should handle empty injections', () => {
const prompt = 'Empty: !{}';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toEqual([
{
content: '',
startIndex: 7,
endIndex: 10,
},
]);
});
it('should trim whitespace within the content', () => {
const prompt = '!{ \n command with space \t }';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toEqual([
{
content: 'command with space',
startIndex: 0,
endIndex: 29,
},
]);
});
it('should ignore similar patterns that are not the exact trigger', () => {
const prompt = 'Not a trigger: !(cmd) or {cmd} or ! {cmd}';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toEqual([]);
});
it('should ignore extra closing braces before the trigger', () => {
const prompt = 'Ignore this } then !{run}';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toEqual([
{
content: 'run',
startIndex: 19,
endIndex: 25,
},
]);
});
it('should stop parsing at the first balanced closing brace (non-greedy)', () => {
// This tests that the parser doesn't greedily consume extra closing braces
const prompt = 'Run !{ls -l}} extra braces';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toEqual([
{
content: 'ls -l',
startIndex: 4,
endIndex: 12,
},
]);
});
});
describe('Nested Braces (Balanced)', () => {
it('should correctly parse content with simple nested braces (e.g., JSON)', () => {
const prompt = `Send JSON: !{curl -d '{"key": "value"}'}`;
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toHaveLength(1);
expect(result[0].content).toBe(`curl -d '{"key": "value"}'`);
});
it('should correctly parse content with shell constructs (e.g., awk)', () => {
const prompt = `Process text: !{awk '{print $1}' file.txt}`;
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toHaveLength(1);
expect(result[0].content).toBe(`awk '{print $1}' file.txt`);
});
it('should correctly parse multiple levels of nesting', () => {
const prompt = `!{level1 {level2 {level3}} suffix}`;
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toHaveLength(1);
expect(result[0].content).toBe(`level1 {level2 {level3}} suffix`);
expect(result[0].endIndex).toBe(prompt.length);
});
it('should correctly parse paths containing balanced braces', () => {
const prompt = 'Analyze @{path/with/{braces}/file.txt}';
const result = extractInjections(prompt, AT_FILE_TRIGGER);
expect(result).toHaveLength(1);
expect(result[0].content).toBe('path/with/{braces}/file.txt');
});
it('should correctly handle an injection containing the trigger itself', () => {
// This works because the parser counts braces, it doesn't look for the trigger again until the current one is closed.
const prompt = '!{echo "The trigger is !{ confusing }"}';
const expectedContent = 'echo "The trigger is !{ confusing }"';
const result = extractInjections(prompt, SHELL_TRIGGER);
expect(result).toHaveLength(1);
expect(result[0].content).toBe(expectedContent);
});
});
describe('Error Handling (Unbalanced/Unclosed)', () => {
it('should throw an error for a simple unclosed injection', () => {
const prompt = 'This prompt has !{an unclosed trigger';
expect(() => extractInjections(prompt, SHELL_TRIGGER)).toThrow(
/Invalid syntax: Unclosed injection starting at index 16 \('!{'\)/,
);
});
it('should throw an error if the prompt ends inside a nested block', () => {
const prompt = 'This fails: !{outer {inner';
expect(() => extractInjections(prompt, SHELL_TRIGGER)).toThrow(
/Invalid syntax: Unclosed injection starting at index 12 \('!{'\)/,
);
});
it('should include the context name in the error message if provided', () => {
const prompt = 'Failing !{command';
const contextName = 'test-command';
expect(() =>
extractInjections(prompt, SHELL_TRIGGER, contextName),
).toThrow(
/Invalid syntax in command 'test-command': Unclosed injection starting at index 8/,
);
});
it('should throw if content contains unbalanced braces (e.g., missing closing)', () => {
// This is functionally the same as an unclosed injection from the parser's perspective.
const prompt = 'Analyze @{path/with/braces{example.txt}';
expect(() => extractInjections(prompt, AT_FILE_TRIGGER)).toThrow(
/Invalid syntax: Unclosed injection starting at index 8 \('@{'\)/,
);
});
it('should clearly state that unbalanced braces in content are not supported in the error', () => {
const prompt = 'Analyze @{path/with/braces{example.txt}';
expect(() => extractInjections(prompt, AT_FILE_TRIGGER)).toThrow(
/Paths or commands with unbalanced braces are not supported directly/,
);
});
});
});
|