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package parser
import (
"fmt"
"regexp"
"sort"
"strconv"
"strings"
"github.com/smartystreets/goconvey/web/server/contract"
)
var (
testNamePattern = regexp.MustCompile("^=== RUN:? +(.+)$")
)
func ParsePackageResults(result *contract.PackageResult, rawOutput string) {
newOutputParser(result, rawOutput).parse()
}
type outputParser struct {
raw string
lines []string
result *contract.PackageResult
tests []*contract.TestResult
// place holders for loops
line string
test *contract.TestResult
testMap map[string]*contract.TestResult
}
func newOutputParser(result *contract.PackageResult, rawOutput string) *outputParser {
self := new(outputParser)
self.raw = strings.TrimSpace(rawOutput)
self.lines = strings.Split(self.raw, "\n")
self.result = result
self.tests = []*contract.TestResult{}
self.testMap = make(map[string]*contract.TestResult)
return self
}
func (self *outputParser) parse() {
self.separateTestFunctionsAndMetadata()
self.parseEachTestFunction()
}
func (self *outputParser) separateTestFunctionsAndMetadata() {
for _, self.line = range self.lines {
if self.processNonTestOutput() {
break
}
self.processTestOutput()
}
}
func (self *outputParser) processNonTestOutput() bool {
if noGoFiles(self.line) {
self.recordFinalOutcome(contract.NoGoFiles)
} else if buildFailed(self.line) {
self.recordFinalOutcome(contract.BuildFailure)
} else if noTestFiles(self.line) {
self.recordFinalOutcome(contract.NoTestFiles)
} else if noTestFunctions(self.line) {
self.recordFinalOutcome(contract.NoTestFunctions)
} else {
return false
}
return true
}
func (self *outputParser) recordFinalOutcome(outcome string) {
self.result.Outcome = outcome
self.result.BuildOutput = strings.Join(self.lines, "\n")
}
func (self *outputParser) processTestOutput() {
self.line = strings.TrimSpace(self.line)
if isNewTest(self.line) {
self.registerTestFunction()
} else if isTestResult(self.line) {
self.recordTestMetadata()
} else if isPackageReport(self.line) {
self.recordPackageMetadata()
} else {
self.saveLineForParsingLater()
}
}
func (self *outputParser) registerTestFunction() {
testNameReg := testNamePattern.FindStringSubmatch(self.line)
if len(testNameReg) < 2 { // Test-related lines that aren't about a new test
return
}
self.test = contract.NewTestResult(testNameReg[1])
self.tests = append(self.tests, self.test)
self.testMap[self.test.TestName] = self.test
}
func (self *outputParser) recordTestMetadata() {
testName := strings.Split(self.line, " ")[2]
if test, ok := self.testMap[testName]; ok {
self.test = test
self.test.Passed = !strings.HasPrefix(self.line, "--- FAIL: ")
self.test.Skipped = strings.HasPrefix(self.line, "--- SKIP: ")
self.test.Elapsed = parseTestFunctionDuration(self.line)
}
}
func (self *outputParser) recordPackageMetadata() {
if packageFailed(self.line) {
self.recordTestingOutcome(contract.Failed)
} else if packagePassed(self.line) {
self.recordTestingOutcome(contract.Passed)
} else if isCoverageSummary(self.line) {
self.recordCoverageSummary(self.line)
}
}
func (self *outputParser) recordTestingOutcome(outcome string) {
self.result.Outcome = outcome
fields := strings.Split(self.line, "\t")
self.result.PackageName = strings.TrimSpace(fields[1])
self.result.Elapsed = parseDurationInSeconds(fields[2], 3)
}
func (self *outputParser) recordCoverageSummary(summary string) {
start := len("coverage: ")
end := strings.Index(summary, "%")
value := summary[start:end]
parsed, err := strconv.ParseFloat(value, 64)
if err != nil {
self.result.Coverage = -1
} else {
self.result.Coverage = parsed
}
}
func (self *outputParser) saveLineForParsingLater() {
self.line = strings.TrimLeft(self.line, "\t")
if self.test == nil {
fmt.Println("Potential error parsing output of", self.result.PackageName, "; couldn't handle this stray line:", self.line)
return
}
self.test.RawLines = append(self.test.RawLines, self.line)
}
// TestResults is a collection of TestResults that implements sort.Interface.
type TestResults []contract.TestResult
func (r TestResults) Len() int {
return len(r)
}
// Less compares TestResults on TestName
func (r TestResults) Less(i, j int) bool {
return r[i].TestName < r[j].TestName
}
func (r TestResults) Swap(i, j int) {
r[i], r[j] = r[j], r[i]
}
func (self *outputParser) parseEachTestFunction() {
for _, self.test = range self.tests {
self.test = parseTestOutput(self.test)
if self.test.Error != "" {
self.result.Outcome = contract.Panicked
}
self.test.RawLines = []string{}
self.result.TestResults = append(self.result.TestResults, *self.test)
}
sort.Sort(TestResults(self.result.TestResults))
}
|