func()

in go/tools/bzltestutil/test2json.go [179:302]
88 lines of code
27 McCabe index (conditional complexity)

func (c *Converter) handleInputLine(line []byte) {
	// Final PASS or FAIL.
	if bytes.Equal(line, bigPass) || bytes.Equal(line, bigFail) || bytes.HasPrefix(line, bigFailErrorPrefix) {
		c.flushReport(0)
		c.output.write(line)
		if bytes.Equal(line, bigPass) {
			c.result = "pass"
		} else {
			c.result = "fail"
		}
		return
	}

	// Special case for entirely skipped test binary: "?   \tpkgname\t[no test files]\n" is only line.
	// Report it as plain output but remember to say skip in the final summary.
	if bytes.HasPrefix(line, skipLinePrefix) && bytes.HasSuffix(line, skipLineSuffix) && len(c.report) == 0 {
		c.result = "skip"
	}

	// "=== RUN   "
	// "=== PAUSE "
	// "=== CONT  "
	actionColon := false
	origLine := line
	ok := false
	indent := 0
	for _, magic := range updates {
		if bytes.HasPrefix(line, magic) {
			ok = true
			break
		}
	}
	if !ok {
		// "--- PASS: "
		// "--- FAIL: "
		// "--- SKIP: "
		// "--- BENCH: "
		// but possibly indented.
		for bytes.HasPrefix(line, fourSpace) {
			line = line[4:]
			indent++
		}
		for _, magic := range reports {
			if bytes.HasPrefix(line, magic) {
				actionColon = true
				ok = true
				break
			}
		}
	}

	// Not a special test output line.
	if !ok {
		// Lookup the name of the test which produced the output using the
		// indentation of the output as an index into the stack of the current
		// subtests.
		// If the indentation is greater than the number of current subtests
		// then the output must have included extra indentation. We can't
		// determine which subtest produced this output, so we default to the
		// old behaviour of assuming the most recently run subtest produced it.
		if indent > 0 && indent <= len(c.report) {
			c.testName = c.report[indent-1].Test
		}
		c.output.write(origLine)
		return
	}

	// Parse out action and test name.
	i := 0
	if actionColon {
		i = bytes.IndexByte(line, ':') + 1
	}
	if i == 0 {
		i = len(updates[0])
	}
	action := strings.ToLower(strings.TrimSuffix(strings.TrimSpace(string(line[4:i])), ":"))
	name := strings.TrimSpace(string(line[i:]))

	e := &event{Action: action}
	if line[0] == '-' { // PASS or FAIL report
		// Parse out elapsed time.
		if i := strings.Index(name, " ("); i >= 0 {
			if strings.HasSuffix(name, "s)") {
				t, err := strconv.ParseFloat(name[i+2:len(name)-2], 64)
				if err == nil {
					if c.mode&Timestamp != 0 {
						e.Elapsed = &t
					}
				}
			}
			name = name[:i]
		}
		if len(c.report) < indent {
			// Nested deeper than expected.
			// Treat this line as plain output.
			c.output.write(origLine)
			return
		}
		// Flush reports at this indentation level or deeper.
		c.flushReport(indent)
		e.Test = name
		c.testName = name
		c.report = append(c.report, e)
		c.output.write(origLine)
		return
	}
	// === update.
	// Finish any pending PASS/FAIL reports.
	c.flushReport(0)
	c.testName = name

	if action == "pause" {
		// For a pause, we want to write the pause notification before
		// delivering the pause event, just so it doesn't look like the test
		// is generating output immediately after being paused.
		c.output.write(origLine)
	}
	c.writeEvent(e)
	if action != "pause" {
		c.output.write(origLine)
	}

	return
}