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namespaces.spec.ts
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133 lines (111 loc) · 3.17 KB
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import * as util from "../util";
test("legacy internal module syntax", () => {
util.testModule`
module Foo {
export const foo = "bar";
}
export const foo = Foo.foo;
`.expectToMatchJsResult();
});
test("global scoping", () => {
const result = util.transpileAndExecute(
"return a.foo();",
undefined,
undefined,
`namespace a { export function foo() { return "bar"; } }`
);
expect(result).toBe("bar");
});
test("nested namespace", () => {
util.testModule`
namespace A {
export namespace B {
export const foo = "foo";
}
}
export const foo = A.B.foo;
`.expectToMatchJsResult();
});
test("nested namespace with dot in name", () => {
util.testModule`
namespace A.B {
export const foo = "foo";
}
export const foo = A.B.foo;
`.expectToMatchJsResult();
});
test("context in namespace function", () => {
util.testModule`
namespace a {
export const foo = "foo";
export function bar() { return this.foo + "bar"; }
}
export const result = a.bar();
`.expectToMatchJsResult();
});
test("namespace merged with interface", () => {
util.testModule`
interface Foo {}
namespace Foo {
export function bar() { return "foobar"; }
}
export const result = Foo.bar();
`.expectToMatchJsResult();
});
test("namespace merged across files", () => {
const testA = `
namespace NS {
export namespace Inner {
export const foo = "foo";
}
}
`;
const testB = `
namespace NS {
export namespace Inner {
export const bar = "bar";
}
}
`;
const { transpiledFiles } = util.transpileStringsAsProject({ "testA.ts": testA, "testB.ts": testB });
const lua = transpiledFiles.map(f => f.lua).join("\n") + "\nreturn NS.Inner.foo .. NS.Inner.bar";
expect(util.executeLua(lua)).toBe("foobar");
});
test("declared namespace function call", () => {
const luaHeader = `
myNameSpace = {}
function myNameSpace.declaredFunction(x) return 3*x end
`;
util.testModule`
declare namespace myNameSpace {
function declaredFunction(this: void, x: number): number;
}
export const result = myNameSpace.declaredFunction(2);
`
.setReturnExport("result")
.setLuaHeader(luaHeader)
.expectToEqual(6);
});
test("`import =` on a namespace", () => {
util.testModule`
namespace outerNamespace {
export namespace innerNamespace {
export function func() {
return "foo";
}
}
}
import importedFunc = outerNamespace.innerNamespace.func;
export const result = importedFunc();
`.expectToMatchJsResult();
});
test("enum in a namespace", () => {
util.testModule`
namespace Test {
export enum TestEnum {
A,
}
}
export const result = Test.TestEnum.A;
`.expectToMatchJsResult();
});