test(view): File Icicle Summary의 util 함수 테스트 코드 작성 (#769)

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

@@ -0,0 +1,103 @@
+import type { ClusterNode } from "types";
+
+import { fakePrev } from "../../../../tests/fakeAsset";
+
+import type { FileChangesMap, FileScoresMap, FileChangesNode } from "./FileIcicleSummary.type";
+import { getFileChangesMap, getFileScoresMap, getFileChangesTree } from "./FileIcicleSummary.util";
+
+describe("getFileChangesMap", () => {
+  it("should return empty object if no data is provided", () => {
+    const fakeData: ClusterNode[] = [];
+    const result = getFileChangesMap(fakeData);
+
+    expect(result).not.toBeUndefined();
+    expect(result).toEqual({});
+  });
+
+  it("should return summed insertions, deletions and commits for each file", () => {
+    const result = getFileChangesMap(fakePrev);
+
+    expect(result).not.toBeUndefined();
+    expect(result).toEqual({
+      "package-lock.json": { insertions: 751, deletions: 15, commits: 2 },
+      "packages/view/.gitignore": { insertions: 2, deletions: 0, commits: 1 },
+      "packages/view/package.json": { insertions: 10, deletions: 4, commits: 2 },
+      "packages/view/src/reportWebVitals.js": { insertions: 0, deletions: 13, commits: 1 },
+      "packages/vscode/.eslintrc.json": { insertions: 15, deletions: 7, commits: 1 },
+      "packages/vscode/CHANGELOG.md": { insertions: 0, deletions: 9, commits: 1 },
+    } as FileChangesMap);
+  });
+});
+
+describe("getFileScoresMap", () => {
+  it("should return empty object if no data is provided", () => {
+    const fakeData: ClusterNode[] = [];
+    const result = getFileScoresMap(fakeData);
+
+    expect(result).not.toBeUndefined();
+    expect(result).toEqual({});
+  });
+
+  it("should return score for each file", () => {
+    const result = getFileScoresMap(fakePrev);
+
+    expect(result).not.toBeUndefined();
+    expect(result).toEqual({
+      "package-lock.json": 1,
+      "packages/view/.gitignore": 1,
+      "packages/view/package.json": 1,
+      "packages/view/src/reportWebVitals.js": 1,
+      "packages/vscode/.eslintrc.json": 1,
+      "packages/vscode/CHANGELOG.md": 1,
+    } as FileScoresMap);
+  });
+});
+
+describe("getFileChangesTree", () => {
+  it("should return empty object if no data is provided", () => {
+    const fakeData: ClusterNode[] = [];
+    const result = getFileChangesTree(fakeData);
+
+    expect(result).not.toBeUndefined();
+    expect(result).toEqual({ name: "root", children: [] } as FileChangesNode);
+  });
+
+  it("should represent file changes in tree structure", () => {
+    const result = getFileChangesTree(fakePrev);
+
+    expect(result).not.toBeUndefined();
+    expect(result.name).toBe("root");
+    expect(result.children).toHaveLength(2);
+    expect(result).toEqual({
+      name: "root",
+      children: [
+        { name: "package-lock.json", children: [], value: 1, insertions: 751, deletions: 15, commits: 2 },
+        {
+          name: "packages",
+          children: [
+            {
+              name: "view",
+              children: [
+                { name: ".gitignore", children: [], value: 1, insertions: 2, deletions: 0, commits: 1 },
+                { name: "package.json", children: [], value: 1, insertions: 10, deletions: 4, commits: 2 },
+                {
+                  name: "src",
+                  children: [
+                    { name: "reportWebVitals.js", children: [], value: 1, insertions: 0, deletions: 13, commits: 1 },
+                  ],
+                },
+              ],
+            },
+            {
+              name: "vscode",
+              children: [
+                { name: ".eslintrc.json", children: [], value: 1, insertions: 15, deletions: 7, commits: 1 },
+                { name: "CHANGELOG.md", children: [], value: 1, insertions: 0, deletions: 9, commits: 1 },
+              ],
+            },
+          ],
+        },
+      ],
+    } as FileChangesNode);
+  });
+});