[view] AuthorBarChart util 함수 테스트 코드 작성

packages/view/src/components/Statistics/AuthorBarChart/AuthorBarChart.util.test.ts

@@ -0,0 +1,92 @@
+import type { ClusterNode } from "types";
+import type { Commit } from "types/Commit";
+
+import { getDataByAuthor } from "./AuthorBarChart.util";
+
+describe("getDataByAuthor", () => {
+  it("should return empty array if no data is provided", () => {
+    const fakeData: ClusterNode[] = [];
+    const result = getDataByAuthor(fakeData);
+    expect(result).toEqual([]);
+  });
+
+  it("should correctly aggregate commit, insertion, and deletion for authors", () => {
+    const fakeData: ClusterNode[] = [
+      {
+        nodeTypeName: "CLUSTER",
+        commitNodeList: [
+          {
+            nodeTypeName: "COMMIT",
+            commit: {
+              id: "1",
+              parentIds: ["0"],
+              author: { names: ["xxxjinn"] },
+              committer: { names: ["xxxjinn"] },
+              authorDate: "2024-01-01T00:00:00Z",
+              commitDate: "2024-01-01T00:00:00Z",
+              diffStatistics: {
+                insertions: 5,
+                deletions: 3,
+              },
+              message: "Initial commit",
+            } as Commit,
+            seq: 1,
+            clusterId: 101,
+          },
+          {
+            nodeTypeName: "COMMIT",
+            commit: {
+              id: "2",
+              parentIds: ["1"],
+              author: { names: ["xxxjinn"] },
+              committer: { names: ["xxxjinn"] },
+              authorDate: "2024-01-02T00:00:00Z",
+              commitDate: "2024-01-02T00:00:00Z",
+              diffStatistics: {
+                insertions: 2,
+                deletions: 1,
+              },
+              message: "Second commit",
+            } as Commit,
+            seq: 2,
+            clusterId: 101,
+          },
+          {
+            nodeTypeName: "COMMIT",
+            commit: {
+              id: "3",
+              parentIds: ["1"],
+              author: { names: ["user2"] },
+              committer: { names: ["user2"] },
+              authorDate: "2024-01-03T00:00:00Z",
+              commitDate: "2024-01-03T00:00:00Z",
+              diffStatistics: {
+                insertions: 3,
+                deletions: 2,
+              },
+              message: "Third commit",
+            } as Commit,
+            seq: 3,
+            clusterId: 102,
+          },
+        ],
+      },
+    ];
+
+    const result = getDataByAuthor(fakeData);
+    expect(result).toEqual([
+      {
+        name: "xxxjinn",
+        commit: 2,
+        insertion: 7,
+        deletion: 4,
+      },
+      {
+        name: "user2",
+        commit: 1,
+        insertion: 3,
+        deletion: 2,
+      },
+    ]);
+  });
+});