mirror of
https://github.com/danog/liquid.git
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101 lines
2.7 KiB
Go
101 lines
2.7 KiB
Go
package parser
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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)
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var scannerCountTests = []struct {
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in string
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len int
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}{
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{`{% tag arg %}`, 1},
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{`{% tag arg %}{% tag %}`, 2},
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{`{% tag arg %}{% tag arg %}{% tag %}`, 3},
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{`{% tag %}{% tag %}`, 2},
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{`{% tag arg %}{% tag arg %}{% tag %}{% tag %}`, 4},
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{`{{ expr }}`, 1},
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{`{{ expr arg }}`, 1},
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{`{{ expr }}{{ expr }}`, 2},
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{`{{ expr arg }}{{ expr arg }}`, 2},
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}
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func TestScan(t *testing.T) {
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scan := func(src string) []Token { return Scan(src, SourceLoc{}) }
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tokens := scan("12")
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require.NotNil(t, tokens)
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require.Len(t, tokens, 1)
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require.Equal(t, TextTokenType, tokens[0].Type)
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require.Equal(t, "12", tokens[0].Source)
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tokens = scan("{{obj}}")
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require.NotNil(t, tokens)
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require.Len(t, tokens, 1)
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require.Equal(t, ObjTokenType, tokens[0].Type)
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require.Equal(t, "obj", tokens[0].Args)
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tokens = scan("{{ obj }}")
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require.NotNil(t, tokens)
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require.Len(t, tokens, 1)
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require.Equal(t, ObjTokenType, tokens[0].Type)
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require.Equal(t, "obj", tokens[0].Args)
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tokens = scan("{%tag args%}")
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require.NotNil(t, tokens)
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require.Len(t, tokens, 1)
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require.Equal(t, TagTokenType, tokens[0].Type)
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require.Equal(t, "tag", tokens[0].Name)
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require.Equal(t, "args", tokens[0].Args)
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tokens = scan("{% tag args %}")
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require.NotNil(t, tokens)
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require.Len(t, tokens, 1)
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require.Equal(t, TagTokenType, tokens[0].Type)
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require.Equal(t, "tag", tokens[0].Name)
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require.Equal(t, "args", tokens[0].Args)
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tokens = scan("pre{% tag args %}mid{{ object }}post")
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require.Equal(t, `[TextTokenType{"pre"} TagTokenType{Tag:"tag", Args:"args"} TextTokenType{"mid"} ObjTokenType{"object"} TextTokenType{"post"}]`, fmt.Sprint(tokens))
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for i, test := range scannerCountTests {
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t.Run(fmt.Sprintf("%02d", i), func(t *testing.T) {
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tokens := scan(test.in)
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require.Len(t, tokens, test.len)
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})
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}
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}
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func TestScan_ws(t *testing.T) {
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// whitespace control
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scan := func(src string) []Token { return Scan(src, SourceLoc{}) }
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wsTests := []struct {
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in, expect string
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left, right bool
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}{
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{`{{ expr }}`, "expr", false, false},
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{`{{- expr }}`, "expr", true, false},
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{`{{ expr -}}`, "expr", false, true},
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{`{% tag arg %}`, "tag", false, false},
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{`{%- tag arg %}`, "tag", true, false},
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{`{% tag arg -%}`, "tag", false, true},
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}
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for i, test := range wsTests {
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t.Run(fmt.Sprintf("%02d", i), func(t *testing.T) {
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tokens := scan(test.in)
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require.Len(t, tokens, 1)
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tok := tokens[0]
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if test.expect == "tag" {
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require.Equalf(t, "tag", tok.Name, test.in)
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require.Equalf(t, "arg", tok.Args, test.in)
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} else {
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require.Equalf(t, "expr", tok.Args, test.in)
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}
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require.Equalf(t, test.left, tok.TrimLeft, test.in)
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require.Equalf(t, test.right, tok.TrimRight, test.in)
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})
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}
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}
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