diff --git a/src/prompt.spec.ts b/src/prompt.spec.ts
index f88ba7f6dd7..3f662324a8c 100644
--- a/src/prompt.spec.ts
+++ b/src/prompt.spec.ts
@@ -50,6 +50,167 @@ describe("prompt", () => {
         });
         expect(result).to.be.true;
       });
+
+      it("handles non-interactive with default", async () => {
+        const result = await prompt.confirm({
+          message: "Continue?",
+          nonInteractive: true,
+          default: false,
+        });
+        expect(result).to.be.false;
+      });
+
+      it("throws in non-interactive without default", async () => {
+        await expect(
+          prompt.confirm({
+            message: "Continue?",
+            nonInteractive: true,
+          }),
+        ).to.be.rejectedWith(
+          FirebaseError,
+          'Question "Continue?" does not have a default and cannot be answered in non-interactive mode',
+        );
+      });
+    });
+
+    describe("input", () => {
+      it("handles non-interactive with default", async () => {
+        const result = await prompt.input({
+          message: "Name?",
+          nonInteractive: true,
+          default: "Inigo Montoya",
+        });
+        expect(result).to.equal("Inigo Montoya");
+      });
+
+      it("throws in non-interactive without default", async () => {
+        await expect(
+          prompt.input({
+            message: "Name?",
+            nonInteractive: true,
+          }),
+        ).to.be.rejectedWith(
+          FirebaseError,
+          'Question "Name?" does not have a default and cannot be answered in non-interactive mode',
+        );
+      });
+    });
+
+    describe("checkbox", () => {
+      it("handles non-interactive with default", async () => {
+        const result = await prompt.checkbox({
+          message: "Tools?",
+          nonInteractive: true,
+          choices: ["hammer", "wrench", "saw"],
+          default: ["hammer", "wrench"],
+        });
+        expect(result).to.deep.equal(["hammer", "wrench"]);
+      });
+
+      it("throws in non-interactive without default", async () => {
+        await expect(
+          prompt.checkbox({
+            message: "Tools?",
+            nonInteractive: true,
+            choices: ["hammer", "wrench", "saw"],
+          }),
+        ).to.be.rejectedWith(
+          FirebaseError,
+          'Question "Tools?" does not have a default and cannot be answered in non-interactive mode',
+        );
+      });
+    });
+
+    describe("select", () => {
+      it("handles non-interactive with default", async () => {
+        const result = await prompt.select({
+          message: "Tool?",
+          nonInteractive: true,
+          choices: ["hammer", "wrench", "saw"],
+          default: "wrench",
+        });
+        expect(result).to.equal("wrench");
+      });
+
+      it("throws in non-interactive without default", async () => {
+        await expect(
+          prompt.select({
+            message: "Tool?",
+            nonInteractive: true,
+            choices: ["hammer", "wrench", "saw"],
+          }),
+        ).to.be.rejectedWith(
+          FirebaseError,
+          'Question "Tool?" does not have a default and cannot be answered in non-interactive mode',
+        );
+      });
+    });
+
+    describe("number", () => {
+      it("handles non-interactive with default", async () => {
+        const result = await prompt.number({
+          message: "Count?",
+          nonInteractive: true,
+          default: 42,
+        });
+        expect(result).to.equal(42);
+      });
+
+      it("throws in non-interactive without default", async () => {
+        await expect(
+          prompt.number({
+            message: "Count?",
+            nonInteractive: true,
+          }),
+        ).to.be.rejectedWith(
+          FirebaseError,
+          'Question "Count?" does not have a default and cannot be answered in non-interactive mode',
+        );
+      });
+    });
+
+    describe("password", () => {
+      it("throws in non-interactive", async () => {
+        await expect(
+          prompt.password({
+            message: "Password?",
+            nonInteractive: true,
+          }),
+        ).to.be.rejectedWith(
+          FirebaseError,
+          'Question "Password?" does not have a default and cannot be answered in non-interactive mode',
+        );
+      });
+    });
+
+    describe("search", () => {
+      // eslint-disable-next-line @typescript-eslint/no-unused-vars
+      const source = (term: string | undefined) => {
+        return ["a", "b", "c"];
+      };
+
+      it("handles non-interactive with default", async () => {
+        const result = await prompt.search({
+          message: "Letter?",
+          nonInteractive: true,
+          source,
+          default: "b",
+        });
+        expect(result).to.equal("b");
+      });
+
+      it("throws in non-interactive without default", async () => {
+        await expect(
+          prompt.search({
+            message: "Letter?",
+            nonInteractive: true,
+            source,
+          }),
+        ).to.be.rejectedWith(
+          FirebaseError,
+          'Question "Letter?" does not have a default and cannot be answered in non-interactive mode',
+        );
+      });
     });
   });
 });