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111 lines
2.7 KiB
Go
111 lines
2.7 KiB
Go
package filters
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import (
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"fmt"
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"testing"
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"github.com/osteele/liquid/expressions"
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"github.com/stretchr/testify/require"
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)
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func init() {
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DefineStandardFilters()
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}
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var filterTests = []struct{ in, expected string }{
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// Jekyll extensions
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{`obj | inspect`, `{"a":1}`},
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// filters
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// product_price | default: 2.99 }}
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// list filters
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// site.pages | map: 'category' | compact | join "," %}
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// {% assign my_array = "apples, oranges, peaches, plums" | split: ", " %}my_array.first }}
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{`"John, Paul, George, Ringo" | split: ", " | join: " and "`, "John and Paul and George and Ringo"},
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{`animals | sort | join: ", "`, "Sally Snake, giraffe, octopus, zebra"},
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{`sort_prop | sort: "weight" | inspect`, `[{"weight":null},{"weight":1},{"weight":3},{"weight":5}]`},
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// last, map, slice, sort_natural, reverse, size, uniq
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// string filters
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// "/my/fancy/url" | append: ".html"
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// {% assign filename = "/index.html" %}"website.com" | append: filename
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// "title" | capitalize
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// "my great title" | capitalize
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// "Parker Moore" | downcase
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// "Have you read 'James & the Giant Peach'?" | escape
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// "1 < 2 & 3" | escape_once
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// "1 < 2 & 3" | escape_once
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// lstrip, newline_to_br, prepend, remove, remove_first, replace, replace_first
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// rstrip, split, strip, strip_html, strip_newlines, truncate, truncatewords, upcase
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// url_decode, url_encode
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// number filters
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// -17 | abs
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// 4 | abs
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// "-19.86" | abs
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// 1.2 | ceil
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// 2.0 | ceil
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// 183.357 | ceil
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// "3.5" | ceil
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// 16 | divided_by: 4
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// 5 | divided_by: 3
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// 20 | divided_by: 7.0
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// 1.2 | floor
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// 2.0 | floor
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// 183.357 | floor
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// minus, modulo, plus, round,times
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// date filters
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// article.published_at | date: "%a, %b %d, %y"
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// article.published_at | date: "%Y"
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// "March 14, 2016" | date: "%b %d, %y"
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// "now" | date: "%Y-%m-%d %H:%M" }
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}
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var filterTestContext = expressions.NewContext(map[string]interface{}{
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"x": 123,
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"obj": map[string]interface{}{
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"a": 1,
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},
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"animals": []string{"zebra", "octopus", "giraffe", "Sally Snake"},
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"pages": []map[string]interface{}{
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{"category": "business"},
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{"category": "celebrities"},
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{},
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{"category": "lifestyle"},
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{"category": "sports"},
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{},
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{"category": "technology"},
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},
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"sort_prop": []map[string]interface{}{
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{"weight": 1},
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{"weight": 5},
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{"weight": 3},
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{"weight": nil},
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},
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"ar": []string{"first", "second", "third"},
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"page": map[string]interface{}{
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"title": "Introduction",
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},
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})
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func TestFilters(t *testing.T) {
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for i, test := range filterTests {
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t.Run(fmt.Sprintf("%02d", i), func(t *testing.T) {
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val, err := expressions.EvaluateExpr(test.in, filterTestContext)
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require.NoErrorf(t, err, test.in)
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actual := fmt.Sprintf("%s", val)
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require.Equalf(t, test.expected, actual, test.in)
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})
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}
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}
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