importer: Add support for aged z database

importer/testdata/z-aged.txt

@@ -0,0 +1,3 @@
+/|90.3972|1553005180
+/home|8657.77|1553005185
+/var/log|79.4688|1553005178

importer/z.go

@@ -3,6 +3,7 @@ package importer
 import (
 	"fmt"
 	"io"
+	"math"
 	"strconv"
 	"strings"
 	"time"
@@ -94,7 +95,7 @@ func (i *z) newEntryFromLine(line string) (*scoring.Entry, error) {
 	}
 
 	path := parts[0]
-	weight, err := strconv.ParseInt(parts[1], 10, 64)
+	weight, err := strconv.ParseFloat(parts[1], 64)
 	if err != nil {
 		return nil, err
 	}
@@ -106,7 +107,7 @@ func (i *z) newEntryFromLine(line string) (*scoring.Entry, error) {
 	return &scoring.Entry{
 		Path: path,
 		Score: &scoring.Score{
-			Weight: weight,
+			Weight: int64(math.Round(weight)), // TODO(mafredri): Figure out a fair weight.
 			Age:    time.Unix(epoch, 0),
 		},
 	}, nil

importer/z_test.go

@@ -41,3 +41,32 @@ func TestZ(t *testing.T) {
 		assert.True(t, conf.Entries[i].CalculateScore() <= conf.Entries[j].CalculateScore())
 	}
 }
+
+func TestZAged(t *testing.T) {
+	conf := &config.Testing{}
+	configPath := p.Join(td, "z-aged.txt")
+
+	imp := Z(conf, configPath)
+
+	err := imp.Import(nil)
+	assert.Nil(t, err)
+
+	assert.
+		Len(t, 3, conf.Entries).
+		// 0
+		Equal(t, "/var/log", conf.Entries[0].Path).
+		Equal(t, 79, conf.Entries[0].Score.Weight).
+		Equal(t, time.Unix(1553005178, 0), conf.Entries[0].Score.Age).
+		// 1
+		Equal(t, "/", conf.Entries[1].Path).
+		Equal(t, 90, conf.Entries[1].Score.Weight).
+		Equal(t, time.Unix(1553005180, 0), conf.Entries[1].Score.Age).
+		// 2
+		Equal(t, "/home", conf.Entries[2].Path).
+		Equal(t, 8658, conf.Entries[2].Score.Weight).
+		Equal(t, time.Unix(1553005185, 0), conf.Entries[2].Score.Age)
+
+	for i, j := 0, 1; i < len(conf.Entries)-1; i, j = i+1, j+1 {
+		assert.True(t, conf.Entries[i].CalculateScore() <= conf.Entries[j].CalculateScore())
+	}
+}