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      1 /* Copyright (c) 2015, Google Inc.
      2  *
      3  * Permission to use, copy, modify, and/or distribute this software for any
      4  * purpose with or without fee is hereby granted, provided that the above
      5  * copyright notice and this permission notice appear in all copies.
      6  *
      7  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      8  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
      9  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     10  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     11  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
     12  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
     13  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
     14 
     15 package runner
     16 
     17 import (
     18 	"encoding/json"
     19 	"os"
     20 	"time"
     21 )
     22 
     23 // testOutput is a representation of Chromium's JSON test result format. See
     24 // https://www.chromium.org/developers/the-json-test-results-format
     25 type testOutput struct {
     26 	Version           int                   `json:"version"`
     27 	Interrupted       bool                  `json:"interrupted"`
     28 	PathDelimiter     string                `json:"path_delimiter"`
     29 	SecondsSinceEpoch float64               `json:"seconds_since_epoch"`
     30 	NumFailuresByType map[string]int        `json:"num_failures_by_type"`
     31 	Tests             map[string]testResult `json:"tests"`
     32 	noneFailed        bool
     33 }
     34 
     35 type testResult struct {
     36 	Actual       string `json:"actual"`
     37 	Expected     string `json:"expected"`
     38 	IsUnexpected bool   `json:"is_unexpected"`
     39 }
     40 
     41 func newTestOutput() *testOutput {
     42 	return &testOutput{
     43 		Version:           3,
     44 		PathDelimiter:     ".",
     45 		SecondsSinceEpoch: float64(time.Now().UnixNano()) / float64(time.Second/time.Nanosecond),
     46 		NumFailuresByType: make(map[string]int),
     47 		Tests:             make(map[string]testResult),
     48 		noneFailed:        true,
     49 	}
     50 }
     51 
     52 func (t *testOutput) addResult(name, result string) {
     53 	if _, found := t.Tests[name]; found {
     54 		panic(name)
     55 	}
     56 	t.Tests[name] = testResult{
     57 		Actual:       result,
     58 		Expected:     "PASS",
     59 		IsUnexpected: result != "PASS",
     60 	}
     61 	t.NumFailuresByType[result]++
     62 	if result != "PASS" && result != "UNIMPLEMENTED" {
     63 		t.noneFailed = false
     64 	}
     65 }
     66 
     67 func (t *testOutput) writeTo(name string) error {
     68 	file, err := os.Create(name)
     69 	if err != nil {
     70 		return err
     71 	}
     72 	defer file.Close()
     73 	out, err := json.MarshalIndent(t, "", "  ")
     74 	if err != nil {
     75 		return err
     76 	}
     77 	_, err = file.Write(out)
     78 	return err
     79 }
     80