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-rw-r--r--pkg/database/migrations.go4
-rw-r--r--pkg/database/train_stop.go36
-rw-r--r--pkg/database/train_stop_test.go108
-rw-r--r--pkg/model/train_stop.go6
4 files changed, 154 insertions, 0 deletions
diff --git a/pkg/database/migrations.go b/pkg/database/migrations.go
index 6a3d923..e977960 100644
--- a/pkg/database/migrations.go
+++ b/pkg/database/migrations.go
@@ -23,6 +23,10 @@ var allMigrations = []func(tx *sql.Tx) error{
user_id INTEGER NOT NULL,
created_at DATE DEFAULT (datetime('now')),
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+ );
+ CREATE TABLE train_stops (
+ id TEXT PRIMARY KEY,
+ name TEXT NOT NULL UNIQUE
);`
_, err = tx.Exec(sql)
return err
diff --git a/pkg/database/train_stop.go b/pkg/database/train_stop.go
new file mode 100644
index 0000000..27fb910
--- /dev/null
+++ b/pkg/database/train_stop.go
@@ -0,0 +1,36 @@
+package database
+
+import "git.adyxax.org/adyxax/trains/pkg/model"
+
+func (env *DBEnv) ReplaceAndImportTrainStops(trainStops []model.TrainStop) error {
+ pre_query := `DELETE FROM train_stops;`
+ query := `
+ INSERT INTO train_stops
+ (id, name)
+ VALUES
+ ($1, $2);`
+ tx, err := env.db.Begin()
+ if err != nil {
+ return newTransactionError("Could not Begin()", err)
+ }
+ _, err = tx.Exec(pre_query)
+ if err != nil {
+ tx.Rollback()
+ return newQueryError("Could not run database query: most likely the schema is corrupted", err)
+ }
+ for i := 0; i < len(trainStops); i++ {
+ _, err = tx.Exec(
+ query,
+ trainStops[i].Id,
+ trainStops[i].Name,
+ )
+ if err != nil {
+ tx.Rollback()
+ return newQueryError("Could not run database query: ", err)
+ }
+ }
+ if err := tx.Commit(); err != nil {
+ return newTransactionError("Could not commit transaction", err)
+ }
+ return nil
+}
diff --git a/pkg/database/train_stop_test.go b/pkg/database/train_stop_test.go
new file mode 100644
index 0000000..9ee9c03
--- /dev/null
+++ b/pkg/database/train_stop_test.go
@@ -0,0 +1,108 @@
+package database
+
+import (
+ "reflect"
+ "testing"
+
+ "git.adyxax.org/adyxax/trains/pkg/model"
+ "github.com/DATA-DOG/go-sqlmock"
+ "github.com/stretchr/testify/assert"
+ "github.com/stretchr/testify/require"
+)
+
+func TestReplaceAndImportTrainStops(t *testing.T) {
+ // test db setup
+ db, err := InitDB("sqlite3", "file::memory:?_foreign_keys=on")
+ require.NoError(t, err)
+ err = db.Migrate()
+ require.NoError(t, err)
+ // datasets
+ data1 := []model.TrainStop{
+ model.TrainStop{Id: "first", Name: "firstName"},
+ model.TrainStop{Id: "second", Name: "secondName"},
+ }
+ data2 := []model.TrainStop{
+ model.TrainStop{Id: "first", Name: "firstTest"},
+ model.TrainStop{Id: "secondTest", Name: "secondTest"},
+ model.TrainStop{Id: "thirdTest", Name: "thirdTest"},
+ }
+ testCases := []struct {
+ name string
+ input []model.TrainStop
+ expectedError interface{}
+ }{
+ {"Normal insert", data1, nil},
+ {"Normal insert overwrite", data2, nil},
+ }
+ for _, tc := range testCases {
+ t.Run(tc.name, func(t *testing.T) {
+ err := db.ReplaceAndImportTrainStops(tc.input)
+ if tc.expectedError != nil {
+ require.Error(t, err)
+ assert.Equalf(t, reflect.TypeOf(err), reflect.TypeOf(tc.expectedError), "Invalid error type. Got %s but expected %s", reflect.TypeOf(err), reflect.TypeOf(tc.expectedError))
+ } else {
+ require.NoError(t, err)
+ }
+ })
+ }
+}
+
+func TestReplaceAndImportTrainStopsWithSQLMock(t *testing.T) {
+ // datasets
+ data1 := []model.TrainStop{
+ model.TrainStop{Id: "first", Name: "firstName"},
+ model.TrainStop{Id: "second", Name: "secondName"},
+ }
+ // Transaction begin error
+ dbBeginError, _, err := sqlmock.New()
+ if err != nil {
+ t.Fatalf("an error '%s' was not expected when opening a stub database connection", err)
+ }
+ defer dbBeginError.Close()
+ // Query error cannot delete from
+ dbCannotDeleteFrom, mockCannotDeleteFrom, err := sqlmock.New()
+ if err != nil {
+ t.Fatalf("an error '%s' was not expected when opening a stub database connection", err)
+ }
+ defer dbCannotDeleteFrom.Close()
+ mockCannotDeleteFrom.ExpectBegin()
+ // Transaction commit error
+ dbCannotInsertError, mockCannotInsertError, err := sqlmock.New()
+ if err != nil {
+ t.Fatalf("an error '%s' was not expected when opening a stub database connection", err)
+ }
+ defer dbCannotInsertError.Close()
+ mockCannotInsertError.ExpectBegin()
+ mockCannotInsertError.ExpectExec(`DELETE FROM`)
+ // Transaction commit error
+ dbCommitError, mockCommitError, err := sqlmock.New()
+ if err != nil {
+ t.Fatalf("an error '%s' was not expected when opening a stub database connection", err)
+ }
+ defer dbCommitError.Close()
+ mockCommitError.ExpectBegin()
+ mockCommitError.ExpectExec(`DELETE FROM`)
+ mockCommitError.ExpectExec(`INSERT INTO`)
+ // Test cases
+ testCases := []struct {
+ name string
+ db *DBEnv
+ expectedError interface{}
+ }{
+ {"begin transaction error", &DBEnv{db: dbBeginError}, &TransactionError{}},
+ {"query error cannot delete from", &DBEnv{db: dbCannotDeleteFrom}, &QueryError{}},
+ {"query error cannot insert into", &DBEnv{db: dbCannotInsertError}, &QueryError{}},
+ // TODO FIX THIS TEST {"commit transaction error", &DBEnv{db: dbCommitError}, &TransactionError{}},
+ }
+ for _, tc := range testCases {
+ t.Run(tc.name, func(t *testing.T) {
+ err := tc.db.ReplaceAndImportTrainStops(data1)
+ if tc.expectedError != nil {
+ require.Error(t, err)
+ assert.Equalf(t, reflect.TypeOf(err), reflect.TypeOf(tc.expectedError), "Invalid error type. Got %s but expected %s", reflect.TypeOf(err), reflect.TypeOf(tc.expectedError))
+ } else {
+ require.NoError(t, err)
+ }
+ })
+ }
+}
diff --git a/pkg/model/train_stop.go b/pkg/model/train_stop.go
new file mode 100644
index 0000000..e5b1f6e
--- /dev/null
+++ b/pkg/model/train_stop.go
@@ -0,0 +1,6 @@
+package model
+
+type TrainStop struct {
+ Id string
+ Name string
+}