65 lines
1.9 KiB
TypeScript
65 lines
1.9 KiB
TypeScript
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import fs from "node:fs"
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import { abstractSyntaxTree } from "./abstractSyntaxTree";
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import { lexer } from "./tokeniser";
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import { executor } from "./executor";
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describe("test", () => {
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it("test assigning two variables, the second summing with the first", () => {
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const code = `const myVar = 5
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const newVar = myVar + 1`;
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const tokens = lexer(code);
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const ast = abstractSyntaxTree(tokens);
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const programMemory = executor(ast);
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expect(withoutStdFns(programMemory)).toEqual({
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root: {
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myVar: 5,
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newVar: 6,
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},
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});
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});
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it("test assigning a var with a string", () => {
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const code = `const myVar = "a str"`
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const tokens = lexer(code);
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const ast = abstractSyntaxTree(tokens);
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const programMemory = executor(ast);
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expect(withoutStdFns(programMemory)).toEqual({
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root: {
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myVar: "a str",
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},
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});
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});
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it("test assigning a var by cont concatenating two strings string", () => {
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const code = fs.readFileSync("./src/lang/testExamples/variableDeclaration.cado", "utf-8");
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const tokens = lexer(code);
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const ast = abstractSyntaxTree(tokens);
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const programMemory = executor(ast);
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expect(withoutStdFns(programMemory)).toEqual({
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root: {
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myVar: "a str another str",
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},
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});
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});
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it("test with function call", () => {
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const code = `
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const myVar = "hello"
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log(5, myVar)`
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const programMemoryOverride = {
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log: jest.fn(),
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}
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const programMemory = executor(abstractSyntaxTree(lexer(code)), programMemoryOverride);
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expect(withoutStdFns(programMemory)).toEqual({
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root: {myVar: "hello"},
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});
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expect(programMemoryOverride.log).toHaveBeenCalledWith(5, "hello");
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})
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});
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// helpers
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function withoutStdFns(obj: any) {
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const newRoot = { ...obj.root };
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const newObj = { ...obj, root: newRoot };
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delete newObj.root.log;
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return newObj;
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}
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