forked from banyanops/collector
/
writer_test.go
180 lines (162 loc) · 5.17 KB
/
writer_test.go
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package collector
import (
"bytes"
"encoding/json"
"io/ioutil"
"os"
"testing"
"time"
fsutil "github.com/banyanops/collector/fsutil"
blog "github.com/ccpaging/log4go"
)
// TestWriteImageAllData tests writing different types of image data to files
func TestWriteImageAllData(t *testing.T) {
cases := []struct {
script, image, destDir, format string
}{
{"myscript", "image", "/tmp", "json"},
{"myscript.sh", "image1234", "/tmp", "json"},
{"myscript.abc.sh", "aaaabbbb", "/tmp", "json"},
}
outMap := make(map[string]interface{})
outMapMap := make(map[string]map[string]interface{})
// Testing imagedata...
var idata = []ImageDataInfo{{"111", "a", "b", "c", "dn1", "did1"}, {"111", "d", "e", "f", "dn2", "did2"}, {"121", "g", "h", "i", "dn3", "did3"}}
for _, c := range cases {
outMap[c.script] = idata
outMapMap[c.image] = outMap
b1 := testWriteToFile(t, outMapMap, c.script, c.image, c.destDir, c.format, "-pkgdata")
b2, err := json.MarshalIndent(idata, "", "\t")
if err != nil {
t.Fatal(err, ": Error in marshaling json for imagedata")
}
if !bytes.Equal(b1, b2) {
blog.Debug(b1)
blog.Debug(b2)
t.Fatal("Input/Output image data don't match: ", len(b1), len(b2))
}
}
blog.Info("Reaching here => writing imagedata to file works fine")
// Testing random output ([]byte)...
randOut := []byte("Testing random output from scripts")
for _, c := range cases {
script := "X" + c.script
outMap[script] = randOut
outMapMap[c.image] = outMap
b := testWriteToFile(t, outMapMap, script, c.image, c.destDir, "txt", "-miscdata")
if !bytes.Equal(b, randOut) {
blog.Debug(b)
blog.Debug(randOut)
t.Fatal("Input/Output image rand txt don't match", len(b), len(randOut))
}
}
//Pass...
return
}
func testWriteToFile(t *testing.T, outMapMap map[string]map[string]interface{}, script, image, destDir, format string, suffix string) (b []byte) {
fw := NewFileWriter(format, destDir)
fw.WriteImageAllData(outMapMap)
// Test if correct output file exists
finalDir := destDir + "/" + trimExtension(script) + "/"
blog.Debug("final dir: " + finalDir)
var filenamePath string
if ok, e := fsutil.DirExists(finalDir); ok {
if len(image) > 12 {
image = image[0:12]
}
file := image + suffix + "." + format
filenamePath = finalDir + "/" + file
_, err := os.Stat(filenamePath)
if err != nil {
if os.IsNotExist(err) {
t.Fatal(err, ": File ", filenamePath, " doesn't exist")
}
t.Fatal(err, ": Unknown error while locating file: ", filenamePath)
}
} else {
t.Fatal(e, ": Directory: ", finalDir, " doesn't exist")
}
b, err := ioutil.ReadFile(filenamePath)
if err != nil {
t.Fatal(err, ": Error in reading file: ", filenamePath)
}
return b
}
// TestWriteImageMetadata tests writing (appending/removing) imageMD to file
func TestWriteImageMetadata(t *testing.T) {
const (
format = "json"
destDir = "/tmp"
)
// Testing imagedata...
var imdata = []ImageMetadataInfo{
{"111", time.Now(), "r1", "t1", 100, "a1", "c1", "c1", "p1"},
{"121", time.Now(), "r2", "t2", 100, "a2", "c2", "c2", "p2"},
{"131", time.Now(), "r3", "t3", 100, "a3", "c3", "c3", "p3"},
}
// Remove output file if it already exists -- since we append
file := "metadata." + format
filenamePath := destDir + "/" + file
if _, err := os.Stat(filenamePath); err == nil {
// file exists
e := os.Remove(filenamePath)
if e != nil {
t.Fatal(": Error in removing metadata file: ", filenamePath)
}
} //ignore else
// Append to MD file
b1 := testWriteImageMDToFile(t, imdata, "/tmp", "json", "ADD")
data1 := ImageMetadataAndAction{"ADD", imdata}
b2, err := json.MarshalIndent(data1, "", "\t")
if err != nil {
t.Fatal(err, ": Error in marshaling json")
}
if !bytes.Equal(b1, b2) {
t.Fatal("Input/Output image metadata don't match")
}
// "Remove" from MD file (note that action is set to remove, rather than really removing anything)
b3 := testWriteImageMDToFile(t, []ImageMetadataInfo{imdata[0]}, "/tmp", "json", "REMOVE")
data2 := ImageMetadataAndAction{"REMOVE", []ImageMetadataInfo{imdata[0]}}
b4, err := json.MarshalIndent(data2, "", "\t")
b5 := append(b2, b4...)
if err != nil {
t.Fatal(err, ": Error in marshaling json")
}
if !bytes.Equal(b3, b5) {
blog.Info(string(b5))
t.Fatal("Input/Output image metadata don't match: ", len(b3), len(b5))
}
//Pass...
return
}
func testWriteImageMDToFile(t *testing.T, imageMD []ImageMetadataInfo, destDir, format, action string) (b []byte) {
// Append/Remove
fw := NewFileWriter(format, destDir)
switch action {
case "ADD":
fw.AppendImageMetadata(imageMD)
case "REMOVE":
fw.RemoveImageMetadata(imageMD)
}
// Check vailidity of output files
var filenamePath string
if ok, e := fsutil.DirExists(destDir); ok {
file := "metadata." + format
filenamePath = destDir + "/" + file
_, err := os.Stat(filenamePath)
if err != nil {
if os.IsNotExist(err) {
t.Fatal(err, ": File ", filenamePath, " doesn't exist")
}
t.Fatal(err, ": Unknown error while locating file: ", filenamePath)
}
} else {
t.Fatal(e, ": Directory: ", destDir, " doesn't exist")
}
// Read output and return
b, err := ioutil.ReadFile(filenamePath)
if err != nil {
t.Fatal(err, ": Error in reading file: ", filenamePath)
}
return b
}