formualizer-eval 0.6.0

High-performance Arrow-backed Excel formula engine with dependency graph and incremental recalculation
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141

use crate::engine::{Engine, EvalConfig};
use crate::test_workbook::TestWorkbook;
use formualizer_common::LiteralValue;
use formualizer_parse::parser::parse;

fn serial_eval_config() -> EvalConfig {
    EvalConfig {
        enable_parallel: false,
        ..Default::default()
    }
}

#[test]
fn implicit_intersection_column_vector_selects_by_row() {
    let wb = TestWorkbook::new();
    let mut engine = Engine::new(wb, serial_eval_config());

    engine
        .set_cell_value("Sheet1", 5, 1, LiteralValue::Number(42.0))
        .unwrap();

    engine
        .set_cell_formula("Sheet1", 5, 2, parse("=@A1:A10").unwrap())
        .unwrap();
    let _ = engine.evaluate_all().unwrap();

    assert_eq!(
        engine.get_cell_value("Sheet1", 5, 2),
        Some(LiteralValue::Number(42.0))
    );
}

#[test]
fn implicit_intersection_row_vector_selects_by_column() {
    let wb = TestWorkbook::new();
    let mut engine = Engine::new(wb, serial_eval_config());

    engine
        .set_cell_value("Sheet1", 1, 3, LiteralValue::Number(7.0))
        .unwrap();

    engine
        .set_cell_formula("Sheet1", 3, 3, parse("=@A1:E1").unwrap())
        .unwrap();
    let _ = engine.evaluate_all().unwrap();

    assert_eq!(
        engine.get_cell_value("Sheet1", 3, 3),
        Some(LiteralValue::Number(7.0))
    );
}

#[test]
fn implicit_intersection_2d_selects_by_row_and_col_cross_sheet() {
    let wb = TestWorkbook::new();
    let mut engine = Engine::new(wb, serial_eval_config());

    engine
        .set_cell_value("Sheet1", 5, 3, LiteralValue::Number(123.0))
        .unwrap();

    engine
        .set_cell_formula("Sheet2", 5, 3, parse("=@Sheet1!A1:E10").unwrap())
        .unwrap();
    let _ = engine.evaluate_all().unwrap();

    assert_eq!(
        engine.get_cell_value("Sheet2", 5, 3),
        Some(LiteralValue::Number(123.0))
    );
}

#[test]
fn implicit_intersection_out_of_bounds_is_value_error() {
    let wb = TestWorkbook::new();
    let mut engine = Engine::new(wb, serial_eval_config());

    engine
        .set_cell_value("Sheet1", 5, 1, LiteralValue::Number(42.0))
        .unwrap();

    engine
        .set_cell_formula("Sheet1", 20, 2, parse("=@A1:A10").unwrap())
        .unwrap();
    let _ = engine.evaluate_all().unwrap();

    match engine.get_cell_value("Sheet1", 20, 2) {
        Some(LiteralValue::Error(e)) => assert_eq!(e.to_string(), "#VALUE!"),
        other => panic!("expected #VALUE!, got {other:?}"),
    }
}

#[test]
fn implicit_intersection_suppresses_spill_from_array_function() {
    let wb = TestWorkbook::new();
    let mut engine = Engine::new(wb, serial_eval_config());

    engine
        .set_cell_formula("Sheet1", 1, 4, parse("=@SEQUENCE(2,2)").unwrap())
        .unwrap();
    let _ = engine.evaluate_all().unwrap();

    assert_eq!(
        engine.get_cell_value("Sheet1", 1, 4),
        Some(LiteralValue::Number(1.0))
    );

    // No spill should occur.
    assert_eq!(engine.get_cell_value("Sheet1", 1, 5), None);
    assert_eq!(engine.get_cell_value("Sheet1", 2, 4), None);
}

#[test]
fn implicit_intersection_against_spilled_values_requires_at_for_scalar() {
    let wb = TestWorkbook::new();
    let mut engine = Engine::new(wb, serial_eval_config());

    // A1 spills a 3x1 vector: A1:A3 = 1,2,3
    engine
        .set_cell_formula("Sheet1", 1, 1, parse("=SEQUENCE(3,1)").unwrap())
        .unwrap();

    // B2 uses @ to pick the intersecting element (A2)
    engine
        .set_cell_formula("Sheet1", 2, 2, parse("=@A1:A3").unwrap())
        .unwrap();

    let _ = engine.evaluate_all().unwrap();

    assert_eq!(
        engine.get_cell_value("Sheet1", 2, 1),
        Some(LiteralValue::Number(2.0))
    );
    assert_eq!(
        engine.get_cell_value("Sheet1", 2, 2),
        Some(LiteralValue::Number(2.0))
    );

    // B2 should be scalar (no spill).
    assert_eq!(engine.get_cell_value("Sheet1", 3, 2), None);
}