Add new line protocol parser and serializer, influxdb output (#3924)

plugins/inputs/exec/exec_test.go

@@ -144,83 +144,6 @@ func TestCommandError(t *testing.T) {
 	assert.Equal(t, acc.NFields(), 0, "No new points should have been added")
 }
 
-func TestLineProtocolParse(t *testing.T) {
-	parser, _ := parsers.NewInfluxParser()
-	e := &Exec{
-		runner:   newRunnerMock([]byte(lineProtocol), nil),
-		Commands: []string{"line-protocol"},
-		parser:   parser,
-	}
-
-	var acc testutil.Accumulator
-	require.NoError(t, acc.GatherError(e.Gather))
-
-	fields := map[string]interface{}{
-		"usage_idle": float64(99),
-		"usage_busy": float64(1),
-	}
-	tags := map[string]string{
-		"host":       "foo",
-		"datacenter": "us-east",
-	}
-	acc.AssertContainsTaggedFields(t, "cpu", fields, tags)
-}
-
-func TestLineProtocolEmptyParse(t *testing.T) {
-	parser, _ := parsers.NewInfluxParser()
-	e := &Exec{
-		runner:   newRunnerMock([]byte(lineProtocolEmpty), nil),
-		Commands: []string{"line-protocol"},
-		parser:   parser,
-	}
-
-	var acc testutil.Accumulator
-	err := e.Gather(&acc)
-	require.NoError(t, err)
-}
-
-func TestLineProtocolShortParse(t *testing.T) {
-	parser, _ := parsers.NewInfluxParser()
-	e := &Exec{
-		runner:   newRunnerMock([]byte(lineProtocolShort), nil),
-		Commands: []string{"line-protocol"},
-		parser:   parser,
-	}
-
-	var acc testutil.Accumulator
-	err := acc.GatherError(e.Gather)
-	require.Error(t, err)
-	assert.Contains(t, err.Error(), "buffer too short", "A buffer too short error was expected")
-}
-
-func TestLineProtocolParseMultiple(t *testing.T) {
-	parser, _ := parsers.NewInfluxParser()
-	e := &Exec{
-		runner:   newRunnerMock([]byte(lineProtocolMulti), nil),
-		Commands: []string{"line-protocol"},
-		parser:   parser,
-	}
-
-	var acc testutil.Accumulator
-	err := acc.GatherError(e.Gather)
-	require.NoError(t, err)
-
-	fields := map[string]interface{}{
-		"usage_idle": float64(99),
-		"usage_busy": float64(1),
-	}
-	tags := map[string]string{
-		"host":       "foo",
-		"datacenter": "us-east",
-	}
-	cpuTags := []string{"cpu0", "cpu1", "cpu2", "cpu3", "cpu4", "cpu5", "cpu6"}
-
-	for _, cpu := range cpuTags {
-		tags["cpu"] = cpu
-		acc.AssertContainsTaggedFields(t, "cpu", fields, tags)
-	}
-}
-
 func TestExecCommandWithGlob(t *testing.T) {
 	parser, _ := parsers.NewValueParser("metric", "string", nil)
 	e := NewExec()