a990cf23ee
String.replace with a string replacement interprets $$/$& as regex replacement patterns, corrupting IEC string literals like '$R$N' passed through tool params (set_pou_code code bodies, write_variable values). Use a function replacement so values pass through verbatim.
95 lines
3.5 KiB
TypeScript
95 lines
3.5 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import * as path from 'path';
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import { ScriptManager } from '../../src/script-manager';
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const SCRIPTS_DIR = path.join(__dirname, '..', '..', 'src', 'scripts');
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describe('ScriptManager', () => {
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const mgr = new ScriptManager(SCRIPTS_DIR);
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it('loads an existing template', () => {
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const content = mgr.loadTemplate('check_status');
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expect(content).toContain('scriptengine');
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expect(content).toContain('SCRIPT_SUCCESS');
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});
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it('throws for non-existent template', () => {
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expect(() => mgr.loadTemplate('nonexistent_script')).toThrow(/not found/);
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});
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it('interpolates a single param', () => {
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const result = mgr.interpolate('hello {FOO}', { FOO: 'bar' });
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expect(result).toBe('hello bar');
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});
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it('passes backslashes through unchanged (raw string templates)', () => {
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const result = mgr.interpolate('path = r"{PATH}"', {
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PATH: 'C:\\Users\\Test',
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});
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expect(result).toBe('path = r"C:\\Users\\Test"');
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});
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it('passes triple quotes through unchanged (callers handle escaping)', () => {
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const result = mgr.interpolate('code = """{CODE}"""', {
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CODE: 'a """ b',
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});
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expect(result).toBe('code = """a """ b"""');
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});
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it('interpolates multiple params', () => {
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const result = mgr.interpolate('{A} and {B}', { A: 'x', B: 'y' });
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expect(result).toBe('x and y');
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});
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it('two loads return identical content (no cache, fresh file read each call)', () => {
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const first = mgr.loadTemplate('check_status');
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const second = mgr.loadTemplate('check_status');
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expect(first).toEqual(second);
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});
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it('combineScripts concatenates with double newlines', () => {
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const result = mgr.combineScripts('script1', 'script2', 'script3');
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expect(result).toBe('script1\n\nscript2\n\nscript3');
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});
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it('prepareScript loads and interpolates', () => {
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// create_project has {PROJECT_FILE_PATH} and {TEMPLATE_PROJECT_PATH} placeholders
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const result = mgr.prepareScript('create_project', {
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PROJECT_FILE_PATH: 'C:\\Projects\\test.project',
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TEMPLATE_PROJECT_PATH: 'C:\\Templates\\Standard.project',
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});
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// Values should appear as-is (no escaping) since templates use r"..." raw strings
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expect(result).toContain('C:\\Projects\\test.project');
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expect(result).toContain('C:\\Templates\\Standard.project');
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});
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it('prepareScriptWithHelpers prepends helpers', () => {
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const result = mgr.prepareScriptWithHelpers(
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'open_project',
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{ PROJECT_FILE_PATH: 'C:\\test.project' },
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['ensure_project_open']
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);
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// ensure_project_open content should appear before open_project content
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const ensureIdx = result.indexOf('def ensure_project_open');
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const openIdx = result.indexOf('Project Opened');
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expect(ensureIdx).toBeGreaterThan(-1);
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expect(openIdx).toBeGreaterThan(-1);
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expect(ensureIdx).toBeLessThan(openIdx);
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});
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it('Windows path with spaces passes through correctly', () => {
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const result = mgr.interpolate('path = r"{PATH}"', {
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PATH: 'C:\\Program Files\\CODESYS',
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});
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expect(result).toBe('path = r"C:\\Program Files\\CODESYS"');
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});
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it('dollar sequences in values are NOT treated as regex replacement patterns', () => {
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// IEC string literals use $ escapes ($R$N, $$ for a literal $). A plain
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// string replacement would collapse '$$' to '$' and expand '$&'.
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const result = mgr.interpolate('value = "{VALUE}"', {
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VALUE: "'$R$N' and $$ and $& stay verbatim",
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});
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expect(result).toBe('value = "\'$R$N\' and $$ and $& stay verbatim"');
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});
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});
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