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gojekyll/filters/filters_test.go

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package filters
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import (
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"fmt"
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"math/rand"
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"strings"
"testing"
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"time"
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"github.com/osteele/gojekyll/config"
"github.com/osteele/liquid"
"github.com/stretchr/testify/require"
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)
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var filterTests = []struct{ in, expected string }{
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// dates
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// FIXME date_to_xmlschema should use local timezone?
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{`{{ time | date_to_xmlschema }}`, "2008-11-07T13:07:54+00:00"},
{`{{ time | date_to_rfc822 }}`, "07 Nov 08 13:07 UTC"},
{`{{ time | date_to_string }}`, "07 Nov 2008"},
{`{{ time | date_to_long_string }}`, "07 November 2008"},
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// arrays
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{`{{ array | array_to_sentence_string }}`, "first, second, and third"},
{`{{ array | sample }}`, "third"},
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{`{{ site.members | group_by: "graduation_year" | map: "name" | sort | join }}`, "2013 2014 2015"},
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{`{{ site.members | group_by_exp: "item", "item.graduation_year" | size }}`, "4"},
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// TODO what is the default for nil first?
{`{{ animals | sort | join: ", " }}`, "Sally Snake, giraffe, octopus, zebra"},
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{`{{ site.pages | sort: "weight" | map: "name" | join }}`, "b a d c"},
{`{{ site.pages | sort: "weight", true | map: "name" | join }}`, "b a d c"},
{`{{ site.pages | sort: "weight", false | map: "name" | join }}`, "a d c b"},
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{`{{ site.members | where: "graduation_year", "2014" | map: "name" }}`, "Alan"},
{`{{ site.members | where_exp: "item", "item.graduation_year == 2014" | map: "name" }}`, "Alan"},
{`{{ site.members | where_exp: "item", "item.graduation_year < 2014" | map: "name" }}`, "Alonzo"},
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{`{{ site.members | where_exp: "item", "item.name contains 'Al'" | map: "name" | join }}`, "Alonzo Alan"},
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{`{{ page.tags | push: 'Spokane' | join }}`, "Seattle Tacoma Spokane"},
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{`{{ page.tags | pop }}`, "Seattle"},
{`{{ page.tags | shift }}`, "Tacoma"},
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{`{{ page.tags | unshift: "Olympia" | join }}`, "Olympia Seattle Tacoma"},
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// strings
{`{{ "/assets/style.css" | relative_url }}`, "/my-baseurl/assets/style.css"},
{`{{ "/assets/style.css" | absolute_url }}`, "http://example.com/my-baseurl/assets/style.css"},
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{`{{ "Markdown with _emphasis_ and *bold*." | markdownify }}`, "<p>Markdown with <em>emphasis</em> and <em>bold</em>.</p>"},
{`{{ obj | jsonify }}`, `{"a":[1,2,3,4]}`},
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{`{{ site.pages | map: "name" | join }}`, "a b c d"},
{`{{ site.pages | filter: "weight" | map: "name" | join }}`, "a c d"},
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{"{{ ws | normalize_whitespace }}", "a b c"},
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{`{{ "123" | to_integer | type }}`, "int"},
{`{{ false | to_integer }}`, "0"},
{`{{ true | to_integer }}`, "1"},
{`{{ "here are some words" | number_of_words}}`, "4"},
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{`{{ "The _config.yml file" | slugify }}`, "the-config-yml-file"},
{`{{ "The _config.yml file" | slugify: 'none' }}`, "the _config.yml file"},
{`{{ "The _config.yml file" | slugify: 'raw' }}`, "the-_config.yml-file"},
{`{{ "The _config.yml file" | slugify: 'default' }}`, "the-config-yml-file"},
{`{{ "The _config.yml file" | slugify: 'pretty' }}`, "the-_config.yml-file"},
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// {`{{ "nav\n\tmargin: 0" | sassify }}`, "nav {\n margin: 0; }"},
{`{{ "nav {margin: 0}" | scssify }}`, "nav {\n margin: 0; }"},
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{`{{ "smartify single 'quotes' here" | smartify }}`, "smartify single quotes here"},
{`{{ 'smartify double "quotes" here' | smartify }}`, "smartify double “quotes” here"},
{"{{ \"smartify ``backticks''\" | smartify }}", "smartify “backticks”"},
{`{{ "smartify it's they're" | smartify }}`, "smartify its theyre"},
{`{{ "smartify ... (c) (r) (tm) -- ---" | smartify }}`, "smartify … © ® ™ —"},
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{`{{ "foo, bar; baz?" | cgi_escape }}`, "foo%2C+bar%3B+baz%3F"},
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{`{{ "1 < 2 & 3" | xml_escape }}`, "1 &lt; 2 &amp; 3"},
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// Jekyll produces the first. I believe the second is acceptable.
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// {`{{ "http://foo.com/?q=foo, \bar?" | uri_escape }}`, "http://foo.com/?q=foo,%20%5Cbar?"},
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{`{{ "http://foo.com/?q=foo, \bar?" | uri_escape }}`, "http://foo.com/?q=foo%2C+%5Cbar%3F"},
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}
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var filterTestBindings = liquid.Bindings{
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"animals": []string{"zebra", "octopus", "giraffe", "Sally Snake"},
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"array": []string{"first", "second", "third"},
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"obj": map[string]interface{}{
"a": []int{1, 2, 3, 4},
},
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"page": map[string]interface{}{
"tags": []string{"Seattle", "Tacoma"},
},
"site": map[string]interface{}{
"members": []map[string]interface{}{
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{"name": "Alonzo", "graduation_year": 2013},
{"name": "Alan", "graduation_year": 2014},
{"name": "Moses", "graduation_year": 2015},
{"name": "Haskell"},
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},
"pages": []map[string]interface{}{
{"name": "a", "weight": 10},
{"name": "b"},
{"name": "c", "weight": 50},
{"name": "d", "weight": 30},
},
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},
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"time": timeMustParse("2008-11-07T13:07:54Z"),
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"ws": "a b\n\t c",
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}
func TestFilters(t *testing.T) {
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rand.Seed(1)
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for i, test := range filterTests {
t.Run(fmt.Sprintf("%02d", i+1), func(t *testing.T) {
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requireTemplateRender(t, test.in, filterTestBindings, test.expected)
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})
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}
}
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// func TestXMLEscapeFilter(t *testing.T) {
// data := map[string]interface{}{
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// "obj": map[string]interface{}{
// "a": []int{1, 2, 3, 4},
// },
// }
// requireTemplateRender(t, `{{obj | xml_escape }}`, data, `{"ak":[1,2,3,4]}`)
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// }
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func TestWhereExpFilter(t *testing.T) {
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var tmpl = `
{% assign filtered = array | where_exp: "n", "n > 2" %}
{% for item in filtered %}{{item}}{% endfor %}
`
data := map[string]interface{}{
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"array": []int{1, 2, 3, 4},
}
requireTemplateRender(t, tmpl, data, "34")
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}
func TestWhereExpFilter_objects(t *testing.T) {
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var tmpl = `
{% assign filtered = array | where_exp: "item", "item.flag == true" %}
{% for item in filtered %}{{item.name}}{% endfor %}
`
data := map[string]interface{}{
"array": []map[string]interface{}{
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{
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"name": "A",
"flag": true,
},
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{
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"name": "B",
"flag": false,
},
}}
requireTemplateRender(t, tmpl, data, "A")
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}
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func requireTemplateRender(t *testing.T, tmpl string, bindings liquid.Bindings, expected string) {
engine := liquid.NewEngine()
cfg := config.Default()
cfg.BaseURL = "/my-baseurl"
cfg.AbsoluteURL = "http://example.com"
AddJekyllFilters(engine, &cfg)
data, err := engine.ParseAndRender([]byte(tmpl), bindings)
require.NoErrorf(t, err, tmpl)
require.Equalf(t, expected, strings.TrimSpace(string(data)), tmpl)
}
func timeMustParse(s string) time.Time {
t, err := time.Parse(time.RFC3339, s)
if err != nil {
panic(err)
}
return t
}