Add tests

packages/string-templates/test/basic.spec.ts

@@ -127,31 +127,59 @@ describe("Test that the object processing works correctly", () => {
 })
 
 describe("check arrays", () => {
+  describe("index with square brackets", () => {
     it.each([
       [0, "1"],
       [1, "2"],
     ])("should handle an array of primitive types", async (index, expected) => {
       const json = [1, 2, 3]
-    const output = await processString(`{{ testing.${index} }}`, {
+      const output = await processString(`{{ testing.[${index}] }}`, {
         testing: json,
       })
       expect(output).toEqual(expected)
     })
 
-  it("should handle an array of object types", async () => {
+    it("should handle an array of objects", async () => {
       const json = [{ value: 1 }, { value: 2 }, { value: 3 }]
-    const output = await processString("{{ testing.0 }}", {
+      const output = await processString("{{ testing.[1] }}", {
         testing: json,
       })
-    expect(output).toEqual({ value: 1 })
+      expect(output).toEqual('{"value":2}')
+    })
+
+    it("should handle nesting properties in an array of objects", async () => {
+      const json = [{ value: 1 }, { value: 2 }, { value: 3 }]
+      const output = await processString("{{ testing.[1].value }}", {
+        testing: json,
+      })
+      expect(output).toEqual("2")
+    })
+  })
+
+  describe("index without square brackets", () => {
+    it("should not handle an array of primitive types", async () => {
+      const json = [1, 2, 3]
+      const output = await processString(`{{ testing.1 }}`, {
+        testing: json,
+      })
+      expect(output).toEqual("{{ testing.1 }}")
+    })
+
+    it("should not handle an array of objects", async () => {
+      const json = [{ value: 1 }, { value: 2 }, { value: 3 }]
+      const output = await processString("{{ testing.1 }}", {
+        testing: json,
+      })
+      expect(output).toEqual("{{ testing.1 }}")
     })
 
     it("should handle nesting properties in an array of object types", async () => {
       const json = [{ value: 1 }, { value: 2 }, { value: 3 }]
-    const output = await processString("{{ testing.0.value }}", {
+      const output = await processString("{{ testing.1.value }}", {
         testing: json,
       })
-    expect(output).toEqual("1")
+      expect(output).toEqual("2")
+    })
   })
 })