5a31f52310
Services: Admin-Lehrer, Backend-Lehrer, Studio v2, Website, Klausur-Service, School-Service, Voice-Service, Geo-Service, BreakPilot Drive, Agent-Core Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
488 lines
9.5 KiB
Go
488 lines
9.5 KiB
Go
package services
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestGradeService_CalculateFinalGrade(t *testing.T) {
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tests := []struct {
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name string
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writtenAvg float64
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oralGrade float64
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writtenWeight int
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oralWeight int
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expectedFinal float64
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}{
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{
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name: "standard weights 60/40 - same grades",
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writtenAvg: 2.0,
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oralGrade: 2.0,
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writtenWeight: 60,
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oralWeight: 40,
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expectedFinal: 2.0,
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},
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{
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name: "standard weights 60/40 - different grades",
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writtenAvg: 2.0,
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oralGrade: 3.0,
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writtenWeight: 60,
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oralWeight: 40,
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expectedFinal: 2.4,
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},
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{
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name: "equal weights 50/50",
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writtenAvg: 2.0,
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oralGrade: 4.0,
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writtenWeight: 50,
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oralWeight: 50,
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expectedFinal: 3.0,
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},
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{
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name: "hauptfach weights 70/30",
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writtenAvg: 1.5,
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oralGrade: 2.5,
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writtenWeight: 70,
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oralWeight: 30,
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expectedFinal: 1.8,
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},
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{
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name: "only written (100/0)",
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writtenAvg: 2.5,
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oralGrade: 0,
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writtenWeight: 100,
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oralWeight: 0,
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expectedFinal: 2.5,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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finalGrade := calculateFinalGradeWeighted(tt.writtenAvg, tt.oralGrade, tt.writtenWeight, tt.oralWeight)
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assert.InDelta(t, tt.expectedFinal, finalGrade, 0.01)
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})
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}
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}
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func TestGradeService_ValidateOralGrade(t *testing.T) {
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tests := []struct {
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name string
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grade float64
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wantErr bool
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}{
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{
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name: "valid grade 1.0",
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grade: 1.0,
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wantErr: false,
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},
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{
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name: "valid grade 2.5",
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grade: 2.5,
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wantErr: false,
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},
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{
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name: "valid grade 6.0",
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grade: 6.0,
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wantErr: false,
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},
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{
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name: "invalid grade - too low",
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grade: 0.5,
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wantErr: true,
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},
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{
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name: "invalid grade - too high",
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grade: 6.5,
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wantErr: true,
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},
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{
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name: "invalid grade - negative",
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grade: -1.0,
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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err := validateOralGrade(tt.grade)
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if tt.wantErr {
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assert.Error(t, err)
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} else {
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assert.NoError(t, err)
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}
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})
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}
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}
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func TestGradeService_ValidateWeights(t *testing.T) {
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tests := []struct {
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name string
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writtenWeight int
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oralWeight int
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wantErr bool
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}{
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{
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name: "valid 60/40",
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writtenWeight: 60,
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oralWeight: 40,
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wantErr: false,
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},
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{
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name: "valid 50/50",
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writtenWeight: 50,
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oralWeight: 50,
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wantErr: false,
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},
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{
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name: "valid 100/0",
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writtenWeight: 100,
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oralWeight: 0,
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wantErr: false,
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},
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{
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name: "invalid - sum not 100",
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writtenWeight: 60,
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oralWeight: 50,
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wantErr: true,
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},
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{
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name: "invalid - negative weight",
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writtenWeight: -10,
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oralWeight: 110,
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wantErr: true,
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},
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{
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name: "invalid - both zero",
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writtenWeight: 0,
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oralWeight: 0,
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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err := validateWeights(tt.writtenWeight, tt.oralWeight)
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if tt.wantErr {
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assert.Error(t, err)
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} else {
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assert.NoError(t, err)
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}
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})
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}
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}
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func TestGradeService_CalculateWrittenAverage(t *testing.T) {
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tests := []struct {
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name string
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grades []float64
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expectedAvg float64
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}{
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{
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name: "single grade",
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grades: []float64{2.0},
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expectedAvg: 2.0,
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},
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{
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name: "two grades - same",
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grades: []float64{2.0, 2.0},
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expectedAvg: 2.0,
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},
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{
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name: "two grades - different",
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grades: []float64{1.0, 3.0},
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expectedAvg: 2.0,
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},
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{
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name: "multiple grades",
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grades: []float64{1.0, 2.0, 3.0, 4.0},
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expectedAvg: 2.5,
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},
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{
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name: "empty grades",
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grades: []float64{},
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expectedAvg: 0,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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avg := calculateWrittenAverage(tt.grades)
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assert.InDelta(t, tt.expectedAvg, avg, 0.01)
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})
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}
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}
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func TestGradeService_RoundGrade(t *testing.T) {
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tests := []struct {
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name string
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grade float64
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expectedRound float64
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}{
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{
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name: "exact 2.0",
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grade: 2.0,
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expectedRound: 2.0,
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},
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{
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name: "2.33 rounds to 2.3",
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grade: 2.33,
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expectedRound: 2.3,
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},
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{
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name: "2.35 rounds to 2.4",
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grade: 2.35,
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expectedRound: 2.4,
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},
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{
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name: "2.44 rounds to 2.4",
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grade: 2.44,
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expectedRound: 2.4,
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},
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{
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name: "2.45 rounds to 2.5",
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grade: 2.45,
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expectedRound: 2.5,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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rounded := roundGrade(tt.grade)
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assert.InDelta(t, tt.expectedRound, rounded, 0.01)
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})
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}
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}
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func TestGradeService_GradeToOberstufenPoints(t *testing.T) {
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tests := []struct {
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name string
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grade float64
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expectedPoints int
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}{
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{
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name: "Grade 1.0 = 15 points",
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grade: 1.0,
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expectedPoints: 15,
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},
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{
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name: "Grade 1.3 = 14 points",
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grade: 1.3,
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expectedPoints: 14,
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},
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{
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name: "Grade 2.0 = 11 points",
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grade: 2.0,
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expectedPoints: 11,
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},
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{
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name: "Grade 3.0 = 8 points",
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grade: 3.0,
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expectedPoints: 8,
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},
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{
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name: "Grade 4.0 = 5 points",
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grade: 4.0,
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expectedPoints: 5,
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},
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{
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name: "Grade 5.0 = 2 points",
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grade: 5.0,
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expectedPoints: 2,
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},
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{
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name: "Grade 6.0 = 0 points",
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grade: 6.0,
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expectedPoints: 0,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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points := gradeToOberstufenPoints(tt.grade)
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assert.Equal(t, tt.expectedPoints, points)
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})
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}
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}
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func TestGradeService_OberstufenPointsToGrade(t *testing.T) {
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tests := []struct {
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name string
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points int
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expectedGrade float64
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}{
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{
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name: "15 points = Grade 1.0",
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points: 15,
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expectedGrade: 1.0,
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},
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{
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name: "12 points = Grade 1.7",
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points: 12,
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expectedGrade: 1.7,
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},
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{
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name: "10 points = Grade 2.3",
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points: 10,
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expectedGrade: 2.3,
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},
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{
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name: "5 points = Grade 4.0",
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points: 5,
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expectedGrade: 4.0,
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},
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{
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name: "0 points = Grade 6.0",
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points: 0,
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expectedGrade: 6.0,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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grade := oberstufenPointsToGrade(tt.points)
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assert.InDelta(t, tt.expectedGrade, grade, 0.1)
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})
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}
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}
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// Helper functions for tests
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func calculateFinalGradeWeighted(writtenAvg, oralGrade float64, writtenWeight, oralWeight int) float64 {
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if writtenWeight+oralWeight == 0 {
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return 0
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}
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return (writtenAvg*float64(writtenWeight) + oralGrade*float64(oralWeight)) / float64(writtenWeight+oralWeight)
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}
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func validateOralGrade(grade float64) error {
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if grade < 1.0 || grade > 6.0 {
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return assert.AnError
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}
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return nil
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}
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func validateWeights(writtenWeight, oralWeight int) error {
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if writtenWeight < 0 || oralWeight < 0 {
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return assert.AnError
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}
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if writtenWeight+oralWeight != 100 {
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return assert.AnError
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}
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return nil
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}
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func calculateWrittenAverage(grades []float64) float64 {
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if len(grades) == 0 {
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return 0
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}
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sum := 0.0
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for _, g := range grades {
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sum += g
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}
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return sum / float64(len(grades))
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}
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func roundGrade(grade float64) float64 {
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return float64(int(grade*10+0.5)) / 10
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}
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func gradeToOberstufenPoints(grade float64) int {
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// German grade to Oberstufen points conversion
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// 1.0 = 15, 1.3 = 14, 1.7 = 13, 2.0 = 11, etc.
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points := int(17 - (grade * 3))
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if points > 15 {
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points = 15
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}
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if points < 0 {
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points = 0
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}
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return points
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}
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func oberstufenPointsToGrade(points int) float64 {
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// Oberstufen points to grade conversion
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if points >= 15 {
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return 1.0
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}
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if points <= 0 {
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return 6.0
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}
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return float64(17-points) / 3.0
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}
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func TestGradeService_GradeApprovalWorkflow(t *testing.T) {
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tests := []struct {
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name string
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initialStatus string
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action string
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expectedStatus string
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wantErr bool
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}{
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{
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name: "pending to approved",
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initialStatus: "pending",
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action: "approve",
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expectedStatus: "approved",
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wantErr: false,
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},
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{
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name: "pending to locked",
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initialStatus: "pending",
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action: "lock",
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expectedStatus: "",
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wantErr: true,
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},
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{
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name: "approved to locked",
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initialStatus: "approved",
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action: "lock",
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expectedStatus: "locked",
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wantErr: false,
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},
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{
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name: "locked cannot be changed",
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initialStatus: "locked",
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action: "approve",
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expectedStatus: "",
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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newStatus, err := processGradeAction(tt.initialStatus, tt.action)
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if tt.wantErr {
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assert.Error(t, err)
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} else {
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assert.NoError(t, err)
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assert.Equal(t, tt.expectedStatus, newStatus)
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}
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})
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}
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}
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func processGradeAction(currentStatus, action string) (string, error) {
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transitions := map[string]map[string]string{
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"pending": {
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"approve": "approved",
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},
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"approved": {
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"lock": "locked",
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"reject": "pending",
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},
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"locked": {},
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}
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actions, exists := transitions[currentStatus]
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if !exists {
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return "", assert.AnError
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}
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newStatus, valid := actions[action]
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if !valid {
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return "", assert.AnError
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}
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return newStatus, nil
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}
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