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test(operator): write more unit tests

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grandwizard28 2025-07-21 18:44:46 +05:30
parent 30894885f0
commit 3732b7d8ba
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1 changed files with 16 additions and 3 deletions
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19
pkg/sqlschema/operator_test.go
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@ -1,6 +1,7 @@
package sqlschema
import (
"fmt"
"testing"
"time"
@ -1094,7 +1095,8 @@ func TestOperatorAlterTable(t *testing.T) {
Columns: []*Column{
{Name: "uuid", DataType: DataTypeText, Nullable: false, Default: ""},
},
PrimaryKeyConstraint: &PrimaryKeyConstraint{ColumnNames: []ColumnName{"uuid"}},
PrimaryKeyConstraint: &PrimaryKeyConstraint{ColumnNames: []ColumnName{"uuid"}},
ForeignKeyConstraints: []*ForeignKeyConstraint{},
},
expected: map[OperatorSupport][][]byte{
{SCreateAndDropConstraint: false, SAlterTableAddAndDropColumnIfNotExistsAndExists: false, SAlterTableAlterColumnSetAndDrop: false}: {
@ -1114,11 +1116,19 @@ func TestOperatorAlterTable(t *testing.T) {
[]byte(`DROP TABLE IF EXISTS "users"`),
[]byte(`ALTER TABLE "users__temp" RENAME TO "users"`),
// third drop to add the primary key constraint
[]byte(`CREATE TABLE IF NOT EXISTS "users__temp" ("id" TEXT NOT NULL, "uuid" TEXT NOT NULL DEFAULT '', CONSTRAINT "pk_users" PRIMARY KEY ("uuid"))`),
[]byte(`INSERT INTO "users__temp" ("id", "uuid") SELECT "id", "uuid" FROM "users"`),
[]byte(`CREATE TABLE IF NOT EXISTS "users__temp" ("uuid" TEXT NOT NULL, CONSTRAINT "pk_users" PRIMARY KEY ("uuid"))`),
[]byte(`INSERT INTO "users__temp" ("uuid") SELECT "uuid" FROM "users"`),
[]byte(`DROP TABLE IF EXISTS "users"`),
[]byte(`ALTER TABLE "users__temp" RENAME TO "users"`),
},
{SCreateAndDropConstraint: true, SAlterTableAddAndDropColumnIfNotExistsAndExists: true, SAlterTableAlterColumnSetAndDrop: true}: {
[]byte(`ALTER TABLE "users" DROP CONSTRAINT IF EXISTS "pk_users"`),
[]byte(`ALTER TABLE "users" DROP COLUMN IF EXISTS "id"`),
[]byte(`ALTER TABLE "users" ADD COLUMN IF NOT EXISTS "uuid" TEXT`),
[]byte(`UPDATE "users" SET "uuid" = ''`),
[]byte(`ALTER TABLE "users" ALTER COLUMN "uuid" SET NOT NULL`),
[]byte(`ALTER TABLE "users" ADD CONSTRAINT "pk_users" PRIMARY KEY ("uuid")`),
},
},
},
}
@ -1131,6 +1141,9 @@ func TestOperatorAlterTable(t *testing.T) {
clonedTable := testCase.table.Clone()
actuals := operator.AlterTable(clonedTable, testCase.uniqueConstraints, testCase.newTable)
for _, sql := range actuals {
fmt.Println(string(sql))
}
assert.Equal(t, sqls, actuals)
assert.EqualValues(t, testCase.newTable, clonedTable)
}