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414 lines (377 loc) · 9.59 KB
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"use strict";
const should = require("should");
const RuleSet = require("../lib/RuleSet");
function match(ruleSet, resource) {
const result = ruleSet.exec({
resource: resource
});
return result.filter((r) => {
return r.type === "use";
}).map(r => r.value).map(r => {
if(!r.options)
return r.loader;
if(typeof r.options === "string")
return r.loader + "?" + r.options;
return r.loader + "?" + JSON.stringify(r.options);
});
}
describe("RuleSet", () => {
it("should create RuleSet with a blank array", () => {
const loader = new RuleSet([]);
(loader.rules).should.eql([]);
});
it("should create RuleSet and match with empty array", () => {
const loader = new RuleSet([]);
(match(loader, "something")).should.eql([]);
});
it("should not match with loaders array", () => {
const loader = new RuleSet([{
test: /\.css$/,
loader: "css"
}]);
(match(loader, "something")).should.eql([]);
});
it("should match with regex", () => {
const loader = new RuleSet([{
test: /\.css$/,
loader: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should match with string", () => {
const loader = new RuleSet([{
test: "style.css",
loader: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should match with function", () => {
const loader = new RuleSet([{
test: function(str) {
return str === "style.css";
},
loader: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should throw if invalid test", () => {
should.throws(() => {
const loader = new RuleSet([{
test: {
invalid: "test"
},
loader: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
}, /Unexcepted property invalid in condition/);
});
it("should accept multiple test array that all match", () => {
const loader = new RuleSet([{
test: [
/style.css/,
/yle.css/
],
loader: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should accept multiple test array that not all match", () => {
const loader = new RuleSet([{
test: [
/style.css/,
/something.css/
],
loader: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should not match if include does not match", () => {
const loader = new RuleSet([{
test: /\.css$/,
include: /output.css/,
loader: "css"
}]);
(match(loader, "style.css")).should.eql([]);
});
it("should match if include matches", () => {
const loader = new RuleSet([{
test: /\.css$/,
include: /style.css/,
loader: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should not match if exclude matches", () => {
const loader = new RuleSet([{
test: /\.css$/,
exclude: /style.css/,
loader: "css"
}]);
(match(loader, "style.css")).should.eql([]);
});
it("should match if exclude does not match", () => {
const loader = new RuleSet([{
test: /\.css$/,
exclude: /output.css/,
loader: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should work if a loader is applied to all files", () => {
const loader = new RuleSet([{
loader: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
(match(loader, "scripts.js")).should.eql(["css"]);
});
it("should work with using loader as string", () => {
const loader = new RuleSet([{
test: /\.css$/,
loader: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should work with using loader as array", () => {
const loader = new RuleSet([{
test: /\.css$/,
loader: ["css"]
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should work with using loaders as string", () => {
const loader = new RuleSet([{
test: /\.css$/,
loaders: "css"
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should work with using loaders as array", () => {
const loader = new RuleSet([{
test: /\.css$/,
loaders: ["css"]
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should throw if using loaders with non-string or array", () => {
should.throws(function() {
const loader = new RuleSet([{
test: /\.css$/,
loaders: {
someObj: true
}
}]);
(match(loader, "style.css")).should.eql(["css"]);
}, /No loader specified/);
});
it("should work with using loader with inline query", () => {
const loader = new RuleSet([{
test: /\.css$/,
loader: "css?modules=1"
}]);
(match(loader, "style.css")).should.eql(["css?modules=1"]);
});
it("should work with using loader with string query", () => {
const loader = new RuleSet([{
test: /\.css$/,
loader: "css",
query: "modules=1"
}]);
(match(loader, "style.css")).should.eql(["css?modules=1"]);
});
it("should work with using loader with object query", () => {
const loader = new RuleSet([{
test: /\.css$/,
loader: "css",
query: {
modules: 1
}
}]);
(match(loader, "style.css")).should.eql(["css?{\"modules\":1}"]);
});
it("should work with using array loaders with basic object notation", () => {
const loader = new RuleSet([{
test: /\.css$/,
loaders: [{
loader: "css"
}]
}]);
(match(loader, "style.css")).should.eql(["css"]);
});
it("should throw if using array loaders with object notation without specifying a loader", () => {
should.throws(() => {
const loader = new RuleSet([{
test: /\.css$/,
loaders: [{
stuff: 1
}]
}]);
match(loader, "style.css");
}, /No loader specified/);
});
it("should work with using array loaders with object notation", () => {
const loader = new RuleSet([{
test: /\.css$/,
loaders: [{
loader: "css",
query: "modules=1"
}]
}]);
(match(loader, "style.css")).should.eql(["css?modules=1"]);
});
it("should work with using multiple array loaders with object notation", () => {
const loader = new RuleSet([{
test: /\.css$/,
loaders: [{
loader: "style",
query: "filesize=1000"
}, {
loader: "css",
query: "modules=1"
}]
}]);
(match(loader, "style.css")).should.eql(["style?filesize=1000", "css?modules=1"]);
});
it("should work with using string multiple loaders", () => {
const loader = new RuleSet([{
test: /\.css$/,
loaders: "style?filesize=1000!css?modules=1"
}]);
(match(loader, "style.css")).should.eql(["style?filesize=1000", "css?modules=1"]);
});
it("should throw if using array loaders with a single legacy", () => {
should.throws(() => {
const loader = new RuleSet([{
test: /\.css$/,
loaders: ["style-loader", "css-loader"],
query: "modules=1"
}]);
(match(loader, "style.css")).should.eql(["css"]);
}, /options\/query cannot be used with loaders/);
});
it("should work when using array loaders", () => {
const loader = new RuleSet([{
test: /\.css$/,
loaders: ["style-loader", "css-loader"]
}]);
(match(loader, "style.css")).should.eql(["style-loader", "css-loader"]);
});
it("should work when using an array of functions returning a loader", () => {
const loader = new RuleSet([{
test: /\.css$/,
use: [
function(data) {
return {
loader: "style-loader"
};
},
function(data) {
return {
loader: "css-loader"
};
},
]
}]);
(match(loader, "style.css")).should.eql(["style-loader", "css-loader"]);
});
it("should work when using an array of either functions or strings returning a loader", () => {
const loader = new RuleSet([{
test: /\.css$/,
use: [
"style-loader",
function(data) {
return {
loader: "css-loader"
};
},
]
}]);
(match(loader, "style.css")).should.eql(["style-loader", "css-loader"]);
});
it("should work when using an array of functions returning either a loader obejct or loader name string", () => {
const loader = new RuleSet([{
test: /\.css$/,
use: [
function(data) {
return "style-loader"
},
function(data) {
return {
loader: "css-loader"
};
},
]
}]);
(match(loader, "style.css")).should.eql(["style-loader", "css-loader"]);
});
it("should throw if using array loaders with invalid type", () => {
should.throws(() => {
const loader = new RuleSet([{
test: /\.css$/,
loaders: ["style-loader", "css-loader", 5],
}]);
(match(loader, "style.css")).should.eql(["css"]);
}, /No loader specified/);
});
describe("when exclude array holds an undefined item", () => {
function errorHasContext(err) {
if(/Expected condition but got falsy value/.test(err) &&
/test/.test(err) &&
/include/.test(err) &&
/exclude/.test(err) &&
/node_modules/.test(err) &&
/undefined/.test(err)) {
return true;
}
}
it("should throw with context", () => {
should.throws(() => {
const loader = new RuleSet([{
test: /\.css$/,
loader: "css",
include: [
"src",
],
exclude: [
"node_modules",
undefined,
],
}]);
(match(loader, "style.css")).should.eql(["css"]);
}, errorHasContext);
});
it("in resource should throw with context", () => {
should.throws(() => {
const loader = new RuleSet([{
resource: {
test: /\.css$/,
include: [
"src",
],
exclude: [
"node_modules",
undefined,
],
},
}]);
(match(loader, "style.css")).should.eql(["css"]);
}, errorHasContext);
});
it("in issuer should throw with context", () => {
should.throws(() => {
const loader = new RuleSet([{
issuer: {
test: /\.css$/,
include: [
"src",
],
exclude: [
"node_modules",
undefined,
],
},
}]);
(match(loader, "style.css")).should.eql(["css"]);
}, errorHasContext);
});
});
});
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