Fix/go tabled benchmarks (#32)

* Tabled benchmark support added.
* Test cases added for tabled benchmarks.

Author: kaancfidan

src/extract.ts

@@ -257,7 +257,7 @@ function extractGoResult(output: string): BenchmarkResult[] {
     // Example:
     //   BenchmarkFib20-8           30000             41653 ns/op
     //   BenchmarkDoWithConfigurer1-8            30000000                42.3 ns/op
-    const reExtract = /^(Benchmark\w+)(-\d+)?\s+(\d+)\s+([0-9.]+)\s+(.+)$/;
+    const reExtract = /^(Benchmark\w+(?:\/?[\w()$%^&*-]*?)*?)(-\d+)?\s+(\d+)\s+([0-9.]+)\s+(.+)$/;
 
     for (const line of lines) {
         const m = line.match(reExtract);

test/data/extract/go_output.txt

@@ -1,6 +1,9 @@
 goos: darwin
 goarch: amd64
-BenchmarkFib10-8   	 5000000	       325 ns/op
-BenchmarkFib20   	   30000	     40537.123 ns/op
+BenchmarkFib10-8   		 					5000000		325 ns/op
+BenchmarkFib20  	 	   					30000		40537.123 ns/op
+BenchmarkFib/my_tabled_benchmark_-_10-8    	5000000		325 ns/op
+BenchmarkFib/my_tabled_benchmark_-_20		30000		40537.123 ns/op
+BenchmarkFib/my/tabled/benchmark_-_20		30001		40537.456 ns/op
 PASS
 ok  	_/Users/rhayasd/Develop/github.com/benchmark-action/github-action-benchmark/examples/go	3.614s

test/extract.ts

@@ -121,6 +121,24 @@ describe('extractResult()', function() {
                     value: 40537.123,
                     extra: '30000 times',
                 },
+                {
+                    name: 'BenchmarkFib/my_tabled_benchmark_-_10',
+                    unit: 'ns/op',
+                    value: 325,
+                    extra: '5000000 times\n8 procs',
+                },
+                {
+                    name: 'BenchmarkFib/my_tabled_benchmark_-_20',
+                    unit: 'ns/op',
+                    value: 40537.123,
+                    extra: '30000 times',
+                },
+                {
+                    name: 'BenchmarkFib/my/tabled/benchmark_-_20',
+                    unit: 'ns/op',
+                    value: 40537.456,
+                    extra: '30001 times',
+                },
             ],
         },
         {