parser: Add BenchmarkFrontmatterTags - hugo - [fork] hugo port for 9front
HTML git clone git@git.drkhsh.at/hugo.git
DIR Log
DIR Files
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DIR README
DIR LICENSE
---
DIR commit 3d9c4f513b0443648d7e88995e351df1739646d2
DIR parent 250ebc1db5be13063878b178eaad11c4361b7a9d
HTML Author: Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Date: Sat, 3 Jun 2017 08:32:52 +0200
parser: Add BenchmarkFrontmatterTags
The list handling is surprisingly expensive:
```
▶ go test -run="NONE" -bench="BenchmarkFrontmatterTags" -test.benchmem=true ./parser | prettybench
PASS
benchmark iter time/iter bytes alloc allocs
--------- ---- --------- ----------- ------
BenchmarkFrontmatterTags/JSON:1-4 1000000 2039.00 ns/op 912 B/op 20 allocs/op
BenchmarkFrontmatterTags/JSON:11-4 300000 5202.00 ns/op 1640 B/op 44 allocs/op
BenchmarkFrontmatterTags/JSON:21-4 200000 7993.00 ns/op 2392 B/op 65 allocs/op
BenchmarkFrontmatterTags/YAML:1-4 200000 9359.00 ns/op 5928 B/op 66 allocs/op
BenchmarkFrontmatterTags/YAML:11-4 100000 21218.00 ns/op 8408 B/op 140 allocs/op
BenchmarkFrontmatterTags/YAML:21-4 50000 32852.00 ns/op 10920 B/op 211 allocs/op
BenchmarkFrontmatterTags/TOML:1-4 100000 21505.00 ns/op 9231 B/op 173 allocs/op
BenchmarkFrontmatterTags/TOML:11-4 20000 82919.00 ns/op 19808 B/op 625 allocs/op
BenchmarkFrontmatterTags/TOML:21-4 10000 141847.00 ns/op 31200 B/op 1106 allocs/op
ok github.com/spf13/hugo/parser 17.890s
```
See #3464
Diffstat:
M parser/frontmatter_test.go | 70 +++++++++++++++++++++++++++++++
1 file changed, 70 insertions(+), 0 deletions(-)
---
DIR diff --git a/parser/frontmatter_test.go b/parser/frontmatter_test.go
@@ -15,7 +15,9 @@ package parser
import (
"bytes"
+ "fmt"
"reflect"
+ "strings"
"testing"
)
@@ -317,3 +319,71 @@ func TestRemoveTOMLIdentifier(t *testing.T) {
}
}
}
+
+func BenchmarkFrontmatterTags(b *testing.B) {
+
+ for _, frontmatter := range []string{"JSON", "YAML", "TOML"} {
+ for i := 1; i < 30; i += 10 {
+ doBenchmarkFrontmatter(b, frontmatter, i)
+ }
+ }
+}
+
+func doBenchmarkFrontmatter(b *testing.B, fileformat string, numTags int) {
+ yamlTemplate := `---
+name: "Tags"
+tags:
+%s
+---
+`
+ tomlTemplate := `+++
+name = "Tags"
+tags = %s
++++
+`
+
+ jsonTemplate := `{
+ "name": "Tags",
+ "tags": [
+ %s
+ ]
+}`
+ name := fmt.Sprintf("%s:%d", fileformat, numTags)
+ b.Run(name, func(b *testing.B) {
+ tags := make([]string, numTags)
+ var (
+ tagsStr string
+ frontmatterTemplate string
+ )
+ for i := 0; i < numTags; i++ {
+ tags[i] = fmt.Sprintf("Hugo %d", i+1)
+ }
+ if fileformat == "TOML" {
+ frontmatterTemplate = tomlTemplate
+ tagsStr = strings.Replace(fmt.Sprintf("%q", tags), " ", ", ", -1)
+ } else if fileformat == "JSON" {
+ frontmatterTemplate = jsonTemplate
+ tagsStr = strings.Replace(fmt.Sprintf("%q", tags), " ", ", ", -1)
+ } else {
+ frontmatterTemplate = yamlTemplate
+ for _, tag := range tags {
+ tagsStr += "\n- " + tag
+ }
+ }
+
+ frontmatter := fmt.Sprintf(frontmatterTemplate, tagsStr)
+
+ p := page{frontmatter: []byte(frontmatter)}
+
+ b.ResetTimer()
+ for i := 0; i < b.N; i++ {
+ meta, err := p.Metadata()
+ if err != nil {
+ b.Fatal(err)
+ }
+ if meta == nil {
+ b.Fatal("Meta is nil")
+ }
+ }
+ })
+}