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author | Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com> | 2017-06-03 09:32:52 +0300 |
---|---|---|
committer | Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com> | 2017-06-03 09:53:56 +0300 |
commit | 3d9c4f513b0443648d7e88995e351df1739646d2 (patch) | |
tree | 7a90e9128fe4476175c9217b570dbb7c54a27615 /parser/frontmatter_test.go | |
parent | 250ebc1db5be13063878b178eaad11c4361b7a9d (diff) |
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 (limited to 'parser/frontmatter_test.go')
-rw-r--r-- | parser/frontmatter_test.go | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/parser/frontmatter_test.go b/parser/frontmatter_test.go index 5aef3562f..85c7c1874 100644 --- 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") + } + } + }) +} |