test: validate configuration search

lib/index.js

@@ -1,4 +1,4 @@
-const { config_from_path, find_local_config } = require("./cli/read-config");
+const { config_from_path, find_local_config } = require("./read-config");
 const Linter = require("./linter");
 const LegacyLinter = require("./legacy/linter");
 const presets = require("./presets").presets;

lib/cli/read-config.js → lib/read-config.js

@@ -1,12 +1,12 @@
 const { cosmiconfigSync } = require("cosmiconfig");
 const path = require("path");
 const fs = require("fs");
-const CustomError = require("../utils/custom-errors");
+const CustomError = require("./utils/custom-errors");
 
 const explorer = cosmiconfigSync("linthtml", { /* stopDir: process.cwd(), */ packageProp: "linthtmlConfig" });
 
 module.exports.config_from_path = function(file_path) {
-  const config_path = path.join(process.cwd(), file_path);
+  const config_path = path.resolve(process.cwd(), file_path);
   let isConfigDirectory = false;
   try {
     let config = null;

lib/utils/custom-errors.js

@@ -4,6 +4,10 @@ class CustomError extends Error {
     this.code = code;
     this.meta = meta;
   }
+
+  get [Symbol.toStringTag]() {
+    return "CustomError";
+  }
 }
 
 module.exports = CustomError;

test/unit/config_reader/index.js

@@ -0,0 +1,43 @@
+const { expect } = require("chai");
+const { config_from_path, find_local_config } = require("../../../lib/read-config");
+const path = require("path");
+
+describe("Get config from path", function() {
+  it("Report an error if path provided does not exist", function() {
+    try {
+      config_from_path("unknow_file");
+    } catch (error) {
+      expect(error).to.be.a("CustomError");
+      expect(error)
+        .to
+        .have
+        .property("code", "CLI-02");
+      expect(error)
+        .to
+        .have
+        .deep
+        .property("meta", {
+          config_path: path.join(process.cwd(), "unknow_file")
+        });
+    }
+  });
+
+  it("Report an error when there's no config file in the folder provided", function() {
+    try {
+      config_from_path(__dirname);
+    } catch (error) {
+      expect(error).to.be.a("CustomError");
+      expect(error)
+        .to
+        .have
+        .property("code", "CLI-01");
+      expect(error)
+        .to
+        .have
+        .deep
+        .property("meta", {
+          config_path: __dirname
+        });
+    }
+  });
+});