🚨 Add tests for text or border colors (#1631)

Author: KATO-Hiro

src/test/lib/utils/task.test.ts

@@ -20,10 +20,14 @@ import {
   compareByContestIdAndTaskId,
   removeTaskIndexFromTitle,
   getTaskTableHeaderName,
+  toChangeTextColorIfNeeds,
+  getTaskGradeLabel,
+  toChangeBorderColorIfNeeds,
 } from '$lib/utils/task';
 import type { WorkBookTaskBase } from '$lib/types/workbook';
 import { ContestType } from '$lib/types/contest';
 import { type TaskResult, type TaskResults } from '$lib/types/task';
+import { TaskGrade } from '@prisma/client';
 
 type TestCaseForTaskResults = {
   taskResults: TaskResults;
@@ -64,6 +68,13 @@ type TestCaseForTaskTableHeaderName = {
 
 type TestCasesForTaskTableHeaderName = TestCaseForTaskTableHeaderName[];
 
+type TestCaseForTaskGrade = {
+  taskGrade: TaskGrade;
+  expected: string;
+};
+
+type TestCasesForTaskGrade = TestCaseForTaskGrade[];
+
 describe('Task', () => {
   describe('task url', () => {
     describe('when contest ids and task ids for AtCoder are given', () => {
@@ -688,4 +699,96 @@ describe('Task', () => {
       );
     });
   });
+
+  describe('to change text color if needs', () => {
+    describe('when task grades from 11Q to 1Q are given ', () => {
+      const testCases: TestCasesForTaskGrade = [
+        { taskGrade: TaskGrade.Q11, expected: 'text-black' },
+        { taskGrade: TaskGrade.Q10, expected: 'text-black' },
+        { taskGrade: TaskGrade.Q6, expected: 'text-black' },
+        { taskGrade: TaskGrade.Q5, expected: 'text-black' },
+        { taskGrade: TaskGrade.Q2, expected: 'text-black' },
+        { taskGrade: TaskGrade.Q1, expected: 'text-black' },
+      ];
+
+      runTests(
+        'toChangeTextColorIfNeeds',
+        testCases,
+        ({ taskGrade, expected }: TestCaseForTaskGrade) => {
+          expect(toChangeTextColorIfNeeds(getTaskGradeLabel(taskGrade))).toBe(expected);
+        },
+      );
+    });
+
+    describe('when task grades from 1D to 5D are given', () => {
+      const testCases: TestCasesForTaskGrade = [
+        { taskGrade: TaskGrade.D1, expected: 'text-white' },
+        { taskGrade: TaskGrade.D2, expected: 'text-white' },
+        { taskGrade: TaskGrade.D3, expected: 'text-white' },
+        { taskGrade: TaskGrade.D4, expected: 'text-white' },
+        { taskGrade: TaskGrade.D5, expected: 'text-white' },
+      ];
+
+      runTests(
+        'toChangeTextColorIfNeeds',
+        testCases,
+        ({ taskGrade, expected }: TestCaseForTaskGrade) => {
+          expect(toChangeTextColorIfNeeds(getTaskGradeLabel(taskGrade))).toBe(expected);
+        },
+      );
+    });
+
+    describe('when task grades 6D is given', () => {
+      const testCases: TestCasesForTaskGrade = [
+        { taskGrade: TaskGrade.D6, expected: 'text-atcoder-bronze' },
+      ];
+
+      runTests(
+        'toChangeTextColorIfNeeds',
+        testCases,
+        ({ taskGrade, expected }: TestCaseForTaskGrade) => {
+          expect(toChangeTextColorIfNeeds(getTaskGradeLabel(taskGrade))).toBe(expected);
+        },
+      );
+    });
+  });
+
+  describe('to change border color if needs', () => {
+    describe('when task grades from 11Q to 5D are given', () => {
+      const testCases: TestCasesForTaskGrade = [
+        { taskGrade: TaskGrade.Q11, expected: 'border-white' },
+        { taskGrade: TaskGrade.Q10, expected: 'border-white' },
+        { taskGrade: TaskGrade.Q7, expected: 'border-white' },
+        { taskGrade: TaskGrade.Q6, expected: 'border-white' },
+        { taskGrade: TaskGrade.Q2, expected: 'border-white' },
+        { taskGrade: TaskGrade.Q1, expected: 'border-white' },
+        { taskGrade: TaskGrade.D1, expected: 'border-white' },
+        { taskGrade: TaskGrade.D2, expected: 'border-white' },
+        { taskGrade: TaskGrade.D4, expected: 'border-white' },
+        { taskGrade: TaskGrade.D5, expected: 'border-white' },
+      ];
+
+      runTests(
+        'toChangeBorderColorIfNeeds',
+        testCases,
+        ({ taskGrade, expected }: TestCaseForTaskGrade) => {
+          expect(toChangeBorderColorIfNeeds(getTaskGradeLabel(taskGrade))).toBe(expected);
+        },
+      );
+    });
+
+    describe('when task grade 6D is given ', () => {
+      const testCases: TestCasesForTaskGrade = [
+        { taskGrade: TaskGrade.D6, expected: 'border-atcoder-bronze' },
+      ];
+
+      runTests(
+        'toChangeBorderColorIfNeeds',
+        testCases,
+        ({ taskGrade, expected }: TestCaseForTaskGrade) => {
+          expect(toChangeBorderColorIfNeeds(getTaskGradeLabel(taskGrade))).toBe(expected);
+        },
+      );
+    });
+  });
 });