1 files changed, 87 insertions, 0 deletions
diff --git a/devtools/client/shared/components/test/node/components/object-inspector/utils/create-node.test.js b/devtools/client/shared/components/test/node/components/object-inspector/utils/create-node.test.js
new file mode 100644
index 0000000000..792ad2dfb0
--- /dev/null
+++ b/devtools/client/shared/components/test/node/components/object-inspector/utils/create-node.test.js
@@ -0,0 +1,87 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+const { createNode, NODE_TYPES } = require("resource://devtools/client/shared/components/object-inspector/utils/node.js");
+
+describe("createNode", () => {
+  it("returns null when contents is undefined", () => {
+    expect(createNode({ name: "name" })).toBeNull();
+  });
+
+  it("does not return null when contents is null", () => {
+    expect(
+      createNode({
+        name: "name",
+        path: "path",
+        contents: null,
+      })
+    ).not.toBe(null);
+  });
+
+  it("returns the expected object when parent is undefined", () => {
+    const node = createNode({
+      name: "name",
+      path: "path",
+      contents: "contents",
+    });
+    expect(node).toEqual({
+      name: "name",
+      path: node.path,
+      contents: "contents",
+      type: NODE_TYPES.GRIP,
+    });
+  });
+
+  it("returns the expected object when parent is not null", () => {
+    const root = createNode({ name: "name", contents: null });
+    const child = createNode({
+      parent: root,
+      name: "name",
+      path: "path",
+      contents: "contents",
+    });
+    expect(child.parent).toEqual(root);
+  });
+
+  it("returns the expected object when type is not undefined", () => {
+    const root = createNode({ name: "name", contents: null });
+    const child = createNode({
+      parent: root,
+      name: "name",
+      path: "path",
+      contents: "contents",
+      type: NODE_TYPES.BUCKET,
+    });
+
+    expect(child.type).toEqual(NODE_TYPES.BUCKET);
+  });
+
+  it("uses the name property for the path when path is not provided", () => {
+    expect(
+      createNode({ name: "name", contents: "contents" }).path.toString()
+    ).toBe("name");
+  });
+
+  it("wraps the path in a Symbol when provided", () => {
+    expect(
+      createNode({
+        name: "name",
+        path: "path",
+        contents: "contents",
+      }).path.toString()
+    ).toBe("path");
+  });
+
+  it("uses parent path to compute its path", () => {
+    const root = createNode({ name: "root", contents: null });
+    expect(
+      createNode({
+        parent: root,
+        name: "name",
+        path: "path",
+        contents: "contents",
+      }).path.toString()
+    ).toBe("root◦path");
+  });
+});