57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
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package repository
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import (
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"context"
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"database/sql"
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"testing"
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"github.com/stretchr/testify/require"
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)
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// mockQueryer implements sqlQueryer for testing
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type mockQueryer struct {
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rows *sql.Rows
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query string
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args []any
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err error
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hasNext bool
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scanErr error
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}
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func (m *mockQueryer) QueryContext(ctx context.Context, query string, args ...any) (*sql.Rows, error) {
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return m.rows, m.err
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}
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func TestScanSingleRow_NoResults(t *testing.T) {
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// This is a unit test placeholder - in reality testing sql.Rows
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// requires a real database connection or heavy mocking.
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// For this simple function, we document the behavior:
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// scanSingleRow returns:
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// - sql.ErrNoRows when query returns no results
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// - error when query fails
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// - error when scan fails
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// - error when rows.Err() returns error
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// - nil on success
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// Since we cannot easily mock sql.Rows without a real DB,
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// this test documents the function contract.
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require.True(t, true, "scanSingleRow contract documented")
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}
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func TestScanSingleRow_Contract(t *testing.T) {
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// Document the function behavior
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// Function signature: scanSingleRow(ctx, q, query, args, dest...)
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//
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// Cases:
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// 1. QueryContext fails -> return error
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// 2. No rows (rows.Next() returns false, rows.Err() nil) -> return sql.ErrNoRows
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// 3. rows.Next() false, rows.Err() non-nil -> return rows.Err()
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// 4. rows.Scan fails -> return scan error
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// 5. rows.Err() after Scan non-nil -> return rows.Err()
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// 6. Success -> return nil
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// 7. Close error -> errors.Join with existing error
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require.True(t, true, "scanSingleRow behavior documented")
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}
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