yq/pkg/yqlib/operator_divide_test.go
TJ Miller a466821e8f
Added divide and modulo operators (#1593)
* Added divide operator (#49)

* Tidy up divide operator logic

* Added modulo operator

* Fix divide test typo

* Add divide by zero test

* Handle int modulo by 0 and add tests

* Tidy up divide/modulo operator node creation

* Fix linter errors
2023-03-15 20:14:23 +11:00

131 lines
3.2 KiB
Go

package yqlib
import (
"testing"
)
var divideOperatorScenarios = []expressionScenario{
{
skipDoc: true,
document: `[{a: foo_bar, b: _}, {a: 4, b: 2}]`,
expression: ".[] | .a / .b",
expected: []string{
"D0, P[0 a], (!!seq)::- foo\n- bar\n",
"D0, P[1 a], (!!float)::2\n",
},
},
{
skipDoc: true,
document: `{}`,
expression: "(.a / .b) as $x | .",
expected: []string{
"D0, P[], (doc)::{}\n",
},
},
{
description: "String split",
document: `{a: cat_meow, b: _}`,
expression: `.c = .a / .b`,
expected: []string{
"D0, P[], (doc)::{a: cat_meow, b: _, c: [cat, meow]}\n",
},
},
{
description: "Number division",
subdescription: "The result during division is calculated as a float",
document: `{a: 12, b: 2.5}`,
expression: `.a = .a / .b`,
expected: []string{
"D0, P[], (doc)::{a: 4.8, b: 2.5}\n",
},
},
{
description: "Number division by zero",
subdescription: "Dividing by zero results in +Inf or -Inf",
document: `{a: 1, b: -1}`,
expression: `.a = .a / 0 | .b = .b / 0`,
expected: []string{
"D0, P[], (doc)::{a: !!float +Inf, b: !!float -Inf}\n",
},
},
{
skipDoc: true,
description: "Custom types: that are really strings",
document: "a: !horse cat_meow\nb: !goat _",
expression: `.a = .a / .b`,
expected: []string{
"D0, P[], (doc)::a: !horse\n - cat\n - meow\nb: !goat _\n",
},
},
{
skipDoc: true,
description: "Custom types: that are really numbers",
document: "a: !horse 1.2\nb: !goat 2.3",
expression: `.a = .a / .b`,
expected: []string{
"D0, P[], (doc)::a: !horse 0.5217391304347826\nb: !goat 2.3\n",
},
},
{
skipDoc: true,
document: "a: 2\nb: !goat 2.3",
expression: `.a = .a / .b`,
expected: []string{
"D0, P[], (doc)::a: 0.8695652173913044\nb: !goat 2.3\n",
},
},
{
skipDoc: true,
description: "Custom types: that are really ints",
document: "a: !horse 2\nb: !goat 3",
expression: `.a = .a / .b`,
expected: []string{
"D0, P[], (doc)::a: !horse 0.6666666666666666\nb: !goat 3\n",
},
},
{
skipDoc: true,
description: "Keep anchors",
document: "a: &horse [1]",
expression: `.a[1] = .a[0] / 2`,
expected: []string{
"D0, P[], (doc)::a: &horse [1, 0.5]\n",
},
},
{
skipDoc: true,
description: "Divide int by string",
document: "a: 123\nb: '2'",
expression: `.a / .b`,
expectedError: "!!int cannot be divided by !!str",
},
{
skipDoc: true,
description: "Divide string by int",
document: "a: 2\nb: '123'",
expression: `.b / .a`,
expectedError: "!!str cannot be divided by !!int",
},
{
skipDoc: true,
description: "Divide map by int",
document: "a: {\"a\":1}\nb: 2",
expression: `.a / .b`,
expectedError: "!!map (a) cannot be divided by !!int (b)",
},
{
skipDoc: true,
description: "Divide array by str",
document: "a: [1,2]\nb: '2'",
expression: `.a / .b`,
expectedError: "!!seq (a) cannot be divided by !!str (b)",
},
}
func TestDivideOperatorScenarios(t *testing.T) {
for _, tt := range divideOperatorScenarios {
testScenario(t, &tt)
}
documentOperatorScenarios(t, "divide", divideOperatorScenarios)
}