Function TestInContext

sqlx_context_test.go:1211–1303

(t *testing.T)

}

func TestInContext(t *testing.T) {
	// some quite normal situations
	type tr struct {
		q    string
		args []interface{}
		c    int
	}
	tests := []tr{
		{"SELECT * FROM foo WHERE x = ? AND v in (?) AND y = ?",
			[]interface{}{"foo", []int{0, 5, 7, 2, 9}, "bar"},
			7},
		{"SELECT * FROM foo WHERE x in (?)",
			[]interface{}{[]int{1, 2, 3, 4, 5, 6, 7, 8}},
			8},
	}
	for _, test := range tests {
		q, a, err := In(test.q, test.args...)
		if err != nil {
			t.Error(err)
		}
		if len(a) != test.c {
			t.Errorf("Expected %d args, but got %d (%+v)", test.c, len(a), a)
		}
		if strings.Count(q, "?") != test.c {
			t.Errorf("Expected %d bindVars, got %d", test.c, strings.Count(q, "?"))
		}
	}

	// too many bindVars, but no slices, so short circuits parsing
	// i'm not sure if this is the right behavior;  this query/arg combo
	// might not work, but we shouldn't parse if we don't need to
	{
		orig := "SELECT * FROM foo WHERE x = ? AND y = ?"
		q, a, err := In(orig, "foo", "bar", "baz")
		if err != nil {
			t.Error(err)
		}
		if len(a) != 3 {
			t.Errorf("Expected 3 args, but got %d (%+v)", len(a), a)
		}
		if q != orig {
			t.Error("Expected unchanged query.")
		}
	}

	tests = []tr{
		// too many bindvars;  slice present so should return error during parse
		{"SELECT * FROM foo WHERE x = ? and y = ?",
			[]interface{}{"foo", []int{1, 2, 3}, "bar"},
			0},
		// empty slice, should return error before parse
		{"SELECT * FROM foo WHERE x = ?",
			[]interface{}{[]int{}},
			0},
		// too *few* bindvars, should return an error
		{"SELECT * FROM foo WHERE x = ? AND y in (?)",
			[]interface{}{[]int{1, 2, 3}},
			0},