44 lines
706 B
Go
44 lines
706 B
Go
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package sql
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import (
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"database/sql"
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"fmt"
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"github.com/baez90/nurse/grammar"
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"github.com/baez90/nurse/validation"
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)
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var _ validation.FromCall[*sql.Rows] = (*RowsValidator)(nil)
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type RowsValidator struct {
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Want int
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}
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func (r *RowsValidator) Validate(in *sql.Rows) error {
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readRows := 0
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for in.Next() {
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readRows++
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}
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if err := in.Err(); err != nil {
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return err
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}
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if readRows != r.Want {
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return fmt.Errorf("expected %d rows but got %d", r.Want, readRows)
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}
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return nil
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}
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func (r *RowsValidator) UnmarshalCall(c grammar.Call) error {
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if err := grammar.ValidateParameterCount(c.Params, 1); err != nil {
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return err
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}
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var err error
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r.Want, err = c.Params[0].AsInt()
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return err
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}
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