surrealdb_core/sql/
mock.rs1use crate::sql::{escape::escape_ident, Id, Thing};
2use revision::revisioned;
3use serde::{Deserialize, Serialize};
4use std::fmt;
5
6pub(crate) const TOKEN: &str = "$surrealdb::private::sql::Mock";
7
8#[non_exhaustive]
9pub struct IntoIter {
10 model: Mock,
11 index: u64,
12}
13
14impl Iterator for IntoIter {
15 type Item = Thing;
16 fn next(&mut self) -> Option<Thing> {
17 match &self.model {
18 Mock::Count(tb, c) => {
19 if self.index < *c {
20 self.index += 1;
21 Some(Thing {
22 tb: tb.to_string(),
23 id: Id::rand(),
24 })
25 } else {
26 None
27 }
28 }
29 Mock::Range(tb, b, e) => {
30 if self.index == 0 {
31 self.index = *b - 1;
32 }
33 if self.index < *e {
34 self.index += 1;
35 Some(Thing {
36 tb: tb.to_string(),
37 id: Id::from(self.index),
38 })
39 } else {
40 None
41 }
42 }
43 }
44 }
45}
46
47#[revisioned(revision = 1)]
48#[derive(Clone, Debug, Eq, PartialEq, PartialOrd, Serialize, Deserialize, Hash)]
49#[serde(rename = "$surrealdb::private::sql::Mock")]
50#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
51#[non_exhaustive]
52pub enum Mock {
53 Count(String, u64),
54 Range(String, u64, u64),
55 }
57
58impl IntoIterator for Mock {
59 type Item = Thing;
60 type IntoIter = IntoIter;
61 fn into_iter(self) -> Self::IntoIter {
62 IntoIter {
63 model: self,
64 index: 0,
65 }
66 }
67}
68
69impl fmt::Display for Mock {
70 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
71 match self {
72 Mock::Count(tb, c) => {
73 write!(f, "|{}:{}|", escape_ident(tb), c)
74 }
75 Mock::Range(tb, b, e) => {
76 write!(f, "|{}:{}..{}|", escape_ident(tb), b, e)
77 }
78 }
79 }
80}