setup arg tests

Signed-off-by: shmck <[email protected]>

Author: ShMcK

Diff for: tests/args.test.ts

@@ -0,0 +1,42 @@
+import { getArg } from "../src/utils/args";
+
+describe("args", () => {
+  it("should capture an arg name from text", () => {
+    const args = ["--name", "value"];
+    const result = getArg(args, { name: "name" });
+    expect(result).toBe("value");
+  });
+  it("should capture an arg alias from text", () => {
+    const args = ["-n", "value"];
+    const result = getArg(args, { name: "name", alias: "n" });
+    expect(result).toBe("value");
+  });
+  it("should capture an arg name from text when starting values", () => {
+    const args = ["dir", "--name", "value"];
+    const result = getArg(args, { name: "name" });
+    expect(result).toBe("value");
+  });
+  it("should capture an arg alias from text", () => {
+    const args = ["dir", "-n", "value"];
+    const result = getArg(args, { name: "name", alias: "n" });
+    expect(result).toBe("value");
+  });
+  it("should default value to true if no next value", () => {
+    const args = ["--someBool"];
+    const result = getArg(args, {
+      name: "someBool",
+      alias: "sb",
+      type: "bool",
+    });
+    expect(result).toBe(true);
+  });
+  it("should default value to true if next value is param", () => {
+    const args = ["--someBool", "--someOtherBool"];
+    const result = getArg(args, {
+      name: "someBool",
+      alias: "sb",
+      type: "bool",
+    });
+    expect(result).toBe(true);
+  });
+});