Change the file name to command-utils.js

Author: sukanyaparashar

packages/core/test/lib/command-utils.js

@@ -0,0 +1,93 @@
+const assert = require("chai").assert;
+const fs = require("fs-extra");
+const path = require("path");
+const tmp = require("tmp");
+const TruffleConfig = require("@truffle/config");
+const { deriveConfigEnvironment } = require("../../lib/command-utils");
+
+let config;
+
+function createSandbox(source) {
+  if (!fs.existsSync(source)) {
+    throw new Error(`Sandbox failed: source: ${source} does not exist`);
+  }
+
+  const tempDir = tmp.dirSync({ unsafeCleanup: true });
+  fs.copySync(source, tempDir.name);
+  const config = TruffleConfig.load(
+    path.join(tempDir.name, "truffle-config.js"),
+    {}
+  );
+  return config;
+}
+
+describe("command-utils", function () {
+  before(function () {
+    config = createSandbox(
+      path.join(__dirname, "..", "sources", "command-utils")
+    );
+  });
+
+  describe("deriveConfigEnvironment", function () {
+    it("returns a config with specified network object having a provider property", function () {
+      const expectedNetworkConfig = config.networks.crazyTimeNetwork;
+      const cfg = deriveConfigEnvironment(
+        config,
+        "crazyTimeNetwork",
+        undefined
+      );
+      assert.equal(
+        cfg.networks.crazyTimeNetwork.confirmations,
+        expectedNetworkConfig.confirmations
+      );
+      assert.equal(
+        cfg.networks.crazyTimeNetwork.customUserProperty,
+        expectedNetworkConfig.customUserProperty
+      );
+    });
+
+    it("returns a config with a url host network object having the url property ", function () {
+      const cfg = deriveConfigEnvironment(
+        config,
+        "anyTimeNetwork",
+        "http://localhost:5555"
+      );
+      assert.equal(cfg.networks["anyTimeNetwork"].url, "http://localhost:5555");
+    });
+
+    it("returns a config with a network object having user specified properties", function () {
+      const expectedNetworkConfig = config.networks.funTimeNetwork;
+      const cfg = deriveConfigEnvironment(config, "funTimeNetwork", undefined);
+      assert.equal(
+        cfg.networks.funTimeNetwork.host,
+        expectedNetworkConfig.host
+      );
+      assert.equal(
+        cfg.networks.funTimeNetwork.port,
+        expectedNetworkConfig.port
+      );
+      assert.equal(
+        cfg.networks.funTimeNetwork.confirmations,
+        expectedNetworkConfig.confirmations
+      );
+      assert.equal(
+        cfg.networks.funTimeNetwork.customUserProperty,
+        expectedNetworkConfig.customUserProperty
+      );
+    });
+
+    it("returns a config with a dashboard network object having user specified properties", function () {
+      const expectedNetworkConfig = config.networks.dashboard;
+      const cfg = deriveConfigEnvironment(config, "dashboard", undefined);
+      assert.equal(cfg.networks.dashboard.url, expectedNetworkConfig.url);
+      assert.equal(
+        cfg.networks.dashboard.confirmations,
+        expectedNetworkConfig.confirmations
+      );
+      assert.equal(
+        cfg.networks.dashboard.customUserProperty,
+        expectedNetworkConfig.customUserProperty
+      );
+    });
+  });
+});