exam_snapshot_test.go

/*
Copyright 2024 The west2-online Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package service

import (
	"testing"

	"github.com/bytedance/mockey"
	"github.com/stretchr/testify/assert"

	"github.com/west2-online/fzuhelper-server/pkg/umeng"
	"github.com/west2-online/fzuhelper-server/pkg/utils"
	"github.com/west2-online/jwch"
)

func TestBuildCourseExamInfo(t *testing.T) {
	courses := []*jwch.Course{
		{
			Name:        "数据结构",
			Teacher:     "张老师",
			Credits:     "4.0",
			RawExamTime: " 2026年6月20日 09:00-11:00 旗山校区 ",
		},
		nil,
		{
			Name:        "无考试课程",
			RawExamTime: " ",
		},
		{
			Name:        "高等数学",
			Teacher:     "李老师",
			Credits:     "5.0",
			RawExamTime: "2026年6月21日 09:00-11:00",
		},
	}

	result := buildCourseExamInfo(courses)

	assert.Equal(t, []CourseExamInfo{
		{
			Name:     "数据结构",
			Teacher:  "张老师",
			Credit:   "4.0",
			ExamTime: "2026年6月20日 09:00-11:00 旗山校区",
		},
		{
			Name:     "高等数学",
			Teacher:  "李老师",
			Credit:   "5.0",
			ExamTime: "2026年6月21日 09:00-11:00",
		},
	}, result)
}

func TestCourseExamIdentityAndTag(t *testing.T) {
	exam := CourseExamInfo{Name: "数据结构", Teacher: "张老师", Credit: "4.0"}

	assert.Equal(t, "数据结构|张老师|4.0", courseExamIdentity(exam))
	assert.Equal(t, utils.MD5("数据结构|张老师|4.0"), courseExamTag(exam))
}

func TestCourseExamInfoHashIsOrderIndependent(t *testing.T) {
	first := []CourseExamInfo{
		{Name: "A", Teacher: "T", Credit: "1", ExamTime: "time-a"},
		{Name: "B", Teacher: "T", Credit: "2", ExamTime: "time-b"},
	}
	second := []CourseExamInfo{first[1], first[0]}

	firstHash, err := courseExamInfoHash(first)
	assert.NoError(t, err)
	secondHash, err := courseExamInfoHash(second)
	assert.NoError(t, err)
	assert.Equal(t, firstHash, secondHash)
}

func TestBuildCourseExamChanges(t *testing.T) {
	oldExams := []CourseExamInfo{
		{Name: "数据结构", Teacher: "张老师", Credit: "4.0", ExamTime: "旧时间"},
	}
	newExams := []CourseExamInfo{
		{Name: "数据结构", Teacher: "张老师", Credit: "4.0", ExamTime: "新时间"},
	}

	changes := buildCourseExamChanges("202401", oldExams, newExams)

	if assert.Len(t, changes, 1) {
		assert.Equal(t, courseExamTag(newExams[0]), changes[0].Tag)
		assert.Equal(t, utils.SHA256("数据结构|202401|张老师|4.0|旧时间|新时间"), changes[0].ExamHash)
	}
}

func TestCourseServiceSendExamNotifications(t *testing.T) {
	defer mockey.UnPatchAll()

	androidErr := assert.AnError
	mockey.Mock(umeng.SendAndroidGroupcastWithGoApp).Return(androidErr).Build()
	mockey.Mock(umeng.SendIOSGroupcast).Return(nil).Build()

	err := new(CourseService).sendExamNotifications([]courseExamChange{
		{
			Tag:  utils.MD5("数据结构|张老师|4.0"),
			Exam: CourseExamInfo{Name: "数据结构"},
		},
	})

	assert.ErrorIs(t, err, androidErr)
}