305 lines
10 KiB
Go
305 lines
10 KiB
Go
package repository
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import (
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"regexp"
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"testing"
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"github.com/DATA-DOG/go-sqlmock"
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"github.com/shopspring/decimal"
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"github.com/wmms/wmms/pkg/database"
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)
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const stockByMaterialSQL = `SELECT m.id, m.material_code, m.name, m.spec, m.unit,
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COALESCE(SUM(ib.on_hand), 0), COALESCE(MAX(swr.minimum_available), 0), COALESCE(MAX(swr.enabled), FALSE),
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MAX(swr.material_id) IS NOT NULL,
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IFNULL(pc.code, ''), IFNULL(c.code, '')
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FROM materials m
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LEFT JOIN inventory_balances ib ON ib.material_id = m.id
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LEFT JOIN stock_warning_rules swr ON swr.organization_id = ib.organization_id
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AND swr.warehouse_id = ib.warehouse_id AND swr.material_id = m.id
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LEFT JOIN material_categories c ON c.id = m.category_id
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LEFT JOIN material_categories pc ON pc.id = c.parent_id
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WHERE m.id = ?
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GROUP BY m.id, m.material_code, m.name, m.spec, m.unit, pc.code, c.code`
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func TestStockRepoGetByMaterialIDReadsInventoryTables(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("open sql mock: %v", err)
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}
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t.Cleanup(func() {
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database.DB = nil
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db.Close()
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})
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database.DB = db
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mock.ExpectQuery(regexp.QuoteMeta(stockByMaterialSQL)).WithArgs(int64(9)).WillReturnRows(
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sqlmock.NewRows([]string{"id", "material_code", "name", "spec", "unit", "on_hand", "minimum_available", "enabled", "warning_configured", "major_category", "minor_category"}).
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AddRow(9, "MAT-009", "电机", "80W", "台", "12.500000", "3.000000", true, true, "B01", "CAT-SUB-027"),
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)
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stock, err := NewStockRepo().GetByMaterialID(9)
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if err != nil {
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t.Fatalf("get stock: %v", err)
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}
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if !stock.TotalOnHand.Equal(decimal.RequireFromString("12.500000")) || !stock.WarningStock.Equal(decimal.NewFromInt(3)) {
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t.Fatalf("unexpected stock quantities: %+v", stock)
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}
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if !stock.WarningEnabled {
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t.Fatalf("expected warning to read back as enabled: %+v", stock)
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}
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if stock.MajorCategory != "B01" || stock.MinorCategory != "CAT-SUB-027" {
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t.Fatalf("unexpected stock categories: %+v", stock)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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func TestStockRepoGetStockPreservesDecimalQuantity(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("open sql mock: %v", err)
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}
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t.Cleanup(func() {
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database.DB = nil
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db.Close()
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})
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database.DB = db
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query := `SELECT COALESCE(SUM(on_hand), 0) FROM inventory_balances WHERE material_id = ?`
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mock.ExpectQuery(regexp.QuoteMeta(query)).WithArgs(int64(9)).WillReturnRows(
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sqlmock.NewRows([]string{"on_hand"}).AddRow("1500.250000"),
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)
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stock, err := NewStockRepo().GetStock(9)
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if err != nil {
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t.Fatalf("get stock: %v", err)
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}
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if !stock.Equal(decimal.RequireFromString("1500.250000")) {
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t.Fatalf("stock = %s, want 1500.250000", stock)
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}
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}
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func TestStockRepoUpdateStockTxWritesDefaultInventoryBalance(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("open sql mock: %v", err)
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}
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t.Cleanup(func() {
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database.DB = nil
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db.Close()
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})
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database.DB = db
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mock.ExpectBegin()
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tx, err := db.Begin()
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if err != nil {
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t.Fatalf("begin: %v", err)
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}
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query := `INSERT INTO inventory_balances (organization_id, warehouse_id, location_id, material_id, on_hand)
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SELECT o.id, w.id, l.id, ?, ?
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FROM organizations o
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JOIN warehouses w ON w.organization_id = o.id AND w.code = 'DEFAULT'
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JOIN warehouse_locations l ON l.warehouse_id = w.id AND l.code = 'MAIN'
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WHERE o.code = 'DEFAULT'
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ON DUPLICATE KEY UPDATE on_hand = on_hand + VALUES(on_hand), version = version + 1`
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mock.ExpectExec(regexp.QuoteMeta(query)).WithArgs(int64(11), "5.5").WillReturnResult(sqlmock.NewResult(1, 1))
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if err := NewStockRepo().UpdateStockTx(tx, 11, decimal.RequireFromString("5.500000")); err != nil {
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t.Fatalf("update inventory balance: %v", err)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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func TestStockRepoUpdateWarningStockWritesInventoryRule(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("open sql mock: %v", err)
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}
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t.Cleanup(func() {
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database.DB = nil
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db.Close()
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})
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database.DB = db
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mock.ExpectExec(regexp.QuoteMeta(upsertStockWarningRuleSQL)).
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WithArgs(int64(13), "8.75", true).WillReturnResult(sqlmock.NewResult(1, 1))
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if err := NewStockRepo().UpdateWarningStock(13, decimal.RequireFromString("8.750000"), true); err != nil {
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t.Fatalf("update stock warning: %v", err)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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// 阈值为 0 是合法配置，含义是"库存降到 0 时预警"，必须原样落库而不是被当成"未设置"。
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func TestStockRepoUpdateWarningStockAcceptsZeroThreshold(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("open sql mock: %v", err)
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}
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t.Cleanup(func() {
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database.DB = nil
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db.Close()
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})
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database.DB = db
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mock.ExpectExec(regexp.QuoteMeta(upsertStockWarningRuleSQL)).
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WithArgs(int64(13), "0", true).WillReturnResult(sqlmock.NewResult(1, 1))
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if err := NewStockRepo().UpdateWarningStock(13, decimal.Zero, true); err != nil {
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t.Fatalf("update stock warning: %v", err)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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// 关闭预警时只翻 enabled，阈值本身要原样保留，方便之后重新启用。
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func TestStockRepoUpdateWarningStockCanDisableKeepingThreshold(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("open sql mock: %v", err)
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}
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t.Cleanup(func() {
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database.DB = nil
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db.Close()
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})
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database.DB = db
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mock.ExpectExec(regexp.QuoteMeta(upsertStockWarningRuleSQL)).
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WithArgs(int64(13), "8.75", false).WillReturnResult(sqlmock.NewResult(1, 1))
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if err := NewStockRepo().UpdateWarningStock(13, decimal.RequireFromString("8.750000"), false); err != nil {
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t.Fatalf("update stock warning: %v", err)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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// 重复保存同一个阈值时 MySQL 返回 0 影响行，这跟"找不到默认组织/仓库"是两种不同情况，
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// 不能把它当成错误报出来。
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func TestStockRepoUpdateWarningStockKeepsUnchangedThreshold(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("open sql mock: %v", err)
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}
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t.Cleanup(func() {
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database.DB = nil
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db.Close()
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})
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database.DB = db
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mock.ExpectExec(regexp.QuoteMeta(upsertStockWarningRuleSQL)).
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WithArgs(int64(13), "8.75", true).WillReturnResult(sqlmock.NewResult(0, 0))
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mock.ExpectQuery(regexp.QuoteMeta(defaultWarehouseExistsSQL)).
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WillReturnRows(sqlmock.NewRows([]string{"count"}).AddRow(1))
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if err := NewStockRepo().UpdateWarningStock(13, decimal.RequireFromString("8.750000"), true); err != nil {
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t.Fatalf("unchanged threshold must not fail: %v", err)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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func TestStockRepoUpdateWarningStockReportsMissingDefaultWarehouse(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("open sql mock: %v", err)
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}
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t.Cleanup(func() {
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database.DB = nil
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db.Close()
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})
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database.DB = db
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mock.ExpectExec(regexp.QuoteMeta(upsertStockWarningRuleSQL)).
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WithArgs(int64(13), "8.75", true).WillReturnResult(sqlmock.NewResult(0, 0))
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mock.ExpectQuery(regexp.QuoteMeta(defaultWarehouseExistsSQL)).
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WillReturnRows(sqlmock.NewRows([]string{"count"}).AddRow(0))
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if err := NewStockRepo().UpdateWarningStock(13, decimal.RequireFromString("8.750000"), true); err == nil {
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t.Fatal("expected an error when the default organization/warehouse is missing")
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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// 库存列表和它的 COUNT 查询是两条独立 SQL，筛选条件必须同时出现在两边，否则分页总数
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// 会和实际行数对不上、末尾多出空白页。
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func TestStockRepoGetAllStockFiltersBothCountAndList(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("open sql mock: %v", err)
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}
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t.Cleanup(func() {
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database.DB = nil
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db.Close()
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})
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database.DB = db
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filter := regexp.QuoteMeta(stockedMaterialFilterSQL)
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mock.ExpectQuery(`(?s)SELECT COUNT\(\*\) FROM materials m WHERE 1=1.*` + filter).
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WillReturnRows(sqlmock.NewRows([]string{"count"}).AddRow(1))
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mock.ExpectQuery(`(?s)SELECT m\.id, m\.material_code.*`+filter+`.*ORDER BY m\.id LIMIT \? OFFSET \?`).
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WithArgs(20, 0).
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WillReturnRows(sqlmock.NewRows([]string{
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"id", "material_code", "name", "spec", "unit", "on_hand", "minimum_available", "enabled", "warning_configured", "major_category", "minor_category",
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}).AddRow(7, "MAT-007", "轴承", "6204", "个", "4.000000", "10.000000", true, true, "A01", "A01-01"))
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stocks, total, err := NewStockRepo().GetAllStock("", 20, 0)
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if err != nil {
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t.Fatalf("get all stock: %v", err)
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}
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if total != 1 || len(stocks) != 1 {
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t.Fatalf("unexpected result: total=%d stocks=%+v", total, stocks)
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}
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if !stocks[0].WarningStock.Equal(decimal.NewFromInt(10)) || !stocks[0].WarningEnabled {
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t.Fatalf("unexpected warning fields: %+v", stocks[0])
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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// 预警列表同样有 COUNT 和主查询两条 SQL，而且两条都必须带上与 service.ClassifyStock
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// 对应的 HAVING 判定。
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func TestStockRepoGetWarningStockAppliesThresholdRuleToBothQueries(t *testing.T) {
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db, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("open sql mock: %v", err)
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}
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t.Cleanup(func() {
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database.DB = nil
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db.Close()
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})
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database.DB = db
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having := regexp.QuoteMeta(stockWarningHavingSQL)
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mock.ExpectQuery(`(?s)SELECT COUNT\(\*\) FROM \(.*` + having).
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WillReturnRows(sqlmock.NewRows([]string{"count"}).AddRow(1))
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mock.ExpectQuery(`(?s)SELECT m\.id, m\.material_code.*`+having+`.*ORDER BY m\.id LIMIT \? OFFSET \?`).
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WithArgs(20, 0).
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WillReturnRows(sqlmock.NewRows([]string{
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"id", "material_code", "name", "spec", "unit", "on_hand", "minimum_available", "enabled", "warning_configured", "major_category", "minor_category",
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}).AddRow(7, "MAT-007", "轴承", "6204", "个", "0.000000", "10.000000", true, true, "A01", "A01-01"))
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stocks, total, err := NewStockRepo().GetWarningStock(20, 0)
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if err != nil {
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t.Fatalf("get warning stock: %v", err)
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}
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if total != 1 || len(stocks) != 1 {
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t.Fatalf("unexpected result: total=%d stocks=%+v", total, stocks)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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