func TestInsertMetricValuesFromJSON(t *testing.T) {
c := initTestChecker()
c.NewScopeAndPackage()
initMetricsJson()
c.InsertMetricValuesFromJSON()
if f, _ := exact.Float64Val(c.sc.Lookup("testGauge2_value").(*types.Const).Val()); f != float64(200) {
t.Errorf("Did not insert gauge2 correctly")
}
if f, _ := exact.Float64Val(c.sc.Lookup("testGauge3_value").(*types.Const).Val()); f != float64(300) {
t.Errorf("Did not insert gauge3 correctly")
}
if f, _ := exact.Float64Val(c.sc.Lookup("testGauge4_value").(*types.Const).Val()); f != float64(400) {
t.Errorf("Did not insert gauge4 correctly")
}
if f, _ := exact.Float64Val(c.sc.Lookup("testGauge5_value").(*types.Const).Val()); f != float64(500) {
t.Errorf("Did not insert gauge5 correctly")
}
}
//ranges through config file and checks all expressions.
// prints result messages to stdout
func (c *checker) CheckAll() ([]CheckResult, error) {
result := []CheckResult{}
for _, section := range c.config.GetSections() {
if section == "default" {
continue
}
expr, err := c.config.GetString(section, "expr")
if err != nil {
fmt.Fprintln(os.Stderr, err)
continue
}
fset := token.NewFileSet()
fset.AddFile("", fset.Base(), len(expr)).SetLinesForContent([]byte(expr))
tv, err := types.Eval(fset, c.pkg, 0, expr)
if err != nil {
fmt.Fprintln(os.Stderr, err)
fmt.Fprintln(os.Stderr, expr)
continue
}
cr := &CheckResult{
Name: section,
}
var m string
if exact.BoolVal(tv.Value) {
m, err = c.config.GetString(section, "true")
if err != nil {
continue
}
} else {
m, err = c.config.GetString(section, "false")
if err != nil {
continue
}
}
val, err := c.config.GetString(section, "val")
if err == nil {
fset := token.NewFileSet()
fset.AddFile("", fset.Base(), len(val)).SetLinesForContent([]byte(val))
tv, err := types.Eval(fset, c.pkg, 0, val)
if err == nil {
if types.Identical(tv.Type, types.Typ[types.UntypedFloat]) || types.Identical(tv.Type, types.Typ[types.Float64]) {
x, _ := exact.Float64Val(tv.Value)
cr.Value = x
}
}
}
tags, err := c.config.GetString(section, "tags")
if err == nil {
cr.Tags = tags
} else {
cr.Tags = "unknown"
}
fset = token.NewFileSet()
fset.AddFile("", fset.Base(), len(m)).SetLinesForContent([]byte(m))
tv, err = types.Eval(fset, c.pkg, 0, m)
if err != nil {
cr.Message = m
} else {
cr.Message = exact.StringVal(tv.Value)
}
result = append(result, *cr)
}
return result, nil
}
