allow functions to call other functions #53

tests/unit/stubs/ExpressionsCompilerStub.ts

@@ -0,0 +1,28 @@
+import { IExpressionsCompiler, ParameterValueDictionary } from '@/application/Parser/Script/Compiler/Expressions/IExpressionsCompiler';
+
+interface Scenario { code: string; parameters: ParameterValueDictionary; result: string; }
+
+export class ExpressionsCompilerStub implements IExpressionsCompiler {
+    private readonly scenarios = new Array<Scenario>();
+    public setup(code: string, parameters: ParameterValueDictionary, result: string) {
+        this.scenarios.push({ code, parameters, result });
+        return this;
+    }
+    public compileExpressions(code: string, parameters?: ParameterValueDictionary): string {
+        const scenario = this.scenarios.find((s) => s.code === code && deepEqual(s.parameters, parameters));
+        if (scenario) {
+            return scenario.result;
+        }
+        return `[ExpressionsCompilerStub] code: "${code}"` +
+            `| parameters: ${Object.keys(parameters || {}).map((p) => p + '=' + parameters[p]).join(',')}`;
+    }
+}
+
+function deepEqual(dict1: ParameterValueDictionary, dict2: ParameterValueDictionary) {
+    const dict1Keys = Object.keys(dict1 || {});
+    const dict2Keys = Object.keys(dict2 || {});
+    if (dict1Keys.length !== dict2Keys.length) {
+        return false;
+    }
+    return dict1Keys.every((key) => dict2.hasOwnProperty(key) && dict2[key] === dict1[key]);
+}