allow functions to call other functions #53

2021-01-16 13:26:41 +01:00
parent f1abd7682f
commit 7661575573
38 changed files with 1507 additions and 645 deletions
--- a/tests/unit/application/Parser/Script/Compiler/Expressions/ExpressionsCompiler.spec.ts
+++ b/tests/unit/application/Parser/Script/Compiler/Expressions/ExpressionsCompiler.spec.ts
@@ -0,0 +1,99 @@
+import 'mocha';
+import { expect } from 'chai';
+import { ExpressionsCompiler } from '@/application/Parser/Script/Compiler/Expressions/ExpressionsCompiler';
+
+describe('ExpressionsCompiler', () => {
+    describe('parameter substitution', () => {
+        describe('substitutes as expected', () => {
+            // arrange
+            const testCases = [ {
+                name: 'with different parameters',
+                code: 'He{{ $firstParameter }} {{ $secondParameter }}!',
+                parameters: {
+                    firstParameter: 'llo',
+                    secondParameter: 'world',
+                },
+                expected: 'Hello world!',
+            }, {
+                name: 'with single parameter',
+                code: '{{ $parameter }}!',
+                parameters: {
+                    parameter: 'Hodor',
+                },
+                expected: 'Hodor!',
+
+            }];
+            for (const testCase of testCases) {
+                it(testCase.name, () => {
+                    const sut = new MockableExpressionsCompiler();
+                    // act
+                    const actual = sut.compileExpressions(testCase.code, testCase.parameters);
+                    // assert
+                    expect(actual).to.equal(testCase.expected);
+                });
+            }
+        });
+        describe('throws when expected value is not provided', () => {
+            // arrange
+            const noParameterTestCases = [
+                {
+                    name: 'empty parameters',
+                    code: '{{ $parameter }}!',
+                    parameters: {},
+                    expectedError: 'parameter value(s) not provided for: "parameter"',
+                },
+                {
+                    name: 'undefined parameters',
+                    code: '{{ $parameter }}!',
+                    parameters: undefined,
+                    expectedError: 'parameter value(s) not provided for: "parameter"',
+                },
+                {
+                    name: 'unnecessary parameter provided',
+                    code: '{{ $parameter }}!',
+                    parameters: {
+                        unnecessaryParameter: 'unnecessaryValue',
+                    },
+                    expectedError: 'parameter value(s) not provided for: "parameter"',
+                },
+                {
+                    name: 'undefined value',
+                    code: '{{ $parameter }}!',
+                    parameters: {
+                        parameter: undefined,
+                    },
+                    expectedError: 'parameter value(s) not provided for: "parameter"',
+                },
+                {
+                    name: 'multiple values are not',
+                    code: '{{ $parameter1 }}, {{ $parameter2 }}, {{ $parameter3 }}',
+                    parameters: {},
+                    expectedError: 'parameter value(s) not provided for: "parameter1", "parameter2", "parameter3"',
+                },
+                {
+                    name: 'some values are provided',
+                    code: '{{ $parameter1 }}, {{ $parameter2 }}, {{ $parameter3 }}',
+                    parameters: {
+                        parameter2: 'value',
+                    },
+                    expectedError: 'parameter value(s) not provided for: "parameter1", "parameter3"',
+                },
+            ];
+            for (const testCase of noParameterTestCases) {
+                it(testCase.name, () => {
+                    const sut = new MockableExpressionsCompiler();
+                    // act
+                    const act = () => sut.compileExpressions(testCase.code, testCase.parameters);
+                    // assert
+                    expect(act).to.throw(testCase.expectedError);
+                });
+            }
+        });
+    });
+});
+
+class MockableExpressionsCompiler extends ExpressionsCompiler {
+    constructor() {
+        super();
+    }
+}