.

wcfs/internal/zdata/δftail_test.go

@@ -43,36 +43,18 @@ import (
 
 type setStr = set.Str
 
+const ø = "ø"
+
 // ΔFTestEntry represents one entry in ΔFtail tests.
 type ΔFTestEntry struct {
 	δblkTab  map[int64]string  // changes in tree part  {} #blk -> ZBlk<oid>
 	δdataTab setStr            // changes to ZBlk objects
 }
 
-func TestΔFtail(t_ *testing.T) {
+func testΔFtail(t_ *testing.T, testq chan ΔFTestEntry) {
 	t := xbtreetest.NewT(t_)
 	X := exc.Raiseif
 
-	// δT is shorthand to create δblkTab.
-	type δT = map[int64]string
-
-	// δD is shorthand to create δdataTab.
-	δD := func(zblkv ...string) setStr {
-		δ := setStr{}
-		for _, zblk := range zblkv {
-			δ.Add(zblk)
-		}
-		return δ
-	}
-
-	const a, b, c, ø = "a", "b", "c", "ø"
-
-	testv := []ΔFTestEntry{
-		{δT{1:a,2:b,3:ø},	δD(a)},
-		{δT{},			δD(c)},
-		{δT{2:c},		δD(a,b)},
-	}
-
 	δftail := NewΔFtail(t.Head().At, t.DB)
 
 	// load zfile via root['treegen/file']
@@ -111,7 +93,9 @@ func TestΔFtail(t_ *testing.T) {
 	}
 
 
-	for i, test := range testv {
+	i := 0
+	for test := range testq {
+		i++
 		fmt.Printf("\nδT: %v   δD: %s\n", test.δblkTab, test.δdataTab)
 
 		δblk := setI64{}
@@ -207,8 +191,41 @@ func TestΔFtail(t_ *testing.T) {
 	}
 }
 
-// XXX TestΔFtailRandom(t *testing.T) {
-//}
+func TestΔFtail(t *testing.T) {
+	// δT is shorthand to create δblkTab.
+	type δT = map[int64]string
+
+	// δD is shorthand to create δdataTab.
+	δD := func(zblkv ...string) setStr {
+		δ := setStr{}
+		for _, zblk := range zblkv {
+			δ.Add(zblk)
+		}
+		return δ
+	}
+
+	const a, b, c = "a", "b", "c"
+
+	testv := []ΔFTestEntry{
+		{δT{1:a,2:b,3:ø},	δD(a)},
+		{δT{},			δD(c)},
+		{δT{2:c},		δD(a,b)},
+		// XXX more
+	}
+
+	testq := make(chan ΔFTestEntry)
+	go func() {
+		defer close(testq)
+		for _, test := range testv {
+			testq <- test
+		}
+	}()
+	testΔFtail(t, testq)
+}
+
+func TestΔFtailRandom(t *testing.T) {
+	// XXX
+}
 
 
 // dataTabTxt returns string representation of {} dataTab.