X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/47d1bdc0960af5bfc8f2793c352f60483539c389..c63ff55687f32dfdff01b9827b411b3757d48ee7:/sdk/go/blockdigest/blockdigest_test.go

diff --git a/sdk/go/blockdigest/blockdigest_test.go b/sdk/go/blockdigest/blockdigest_test.go
index 068a1385ae..017aaa4710 100644
--- a/sdk/go/blockdigest/blockdigest_test.go
+++ b/sdk/go/blockdigest/blockdigest_test.go
@@ -2,10 +2,37 @@ package blockdigest
 
 import (
 	"fmt"
+	"runtime"
 	"strings"
 	"testing"
 )
 
+func getStackTrace() string {
+	buf := make([]byte, 1000)
+	bytes_written := runtime.Stack(buf, false)
+	return "Stack Trace:\n" + string(buf[:bytes_written])
+}
+
+func expectEqual(t *testing.T, actual interface{}, expected interface{}) {
+	if actual != expected {
+		t.Fatalf("Expected %v but received %v instead. %s",
+			expected,
+			actual,
+			getStackTrace())
+	}
+}
+
+func expectStringSlicesEqual(t *testing.T, actual []string, expected []string) {
+	if len(actual) != len(expected) {
+		t.Fatalf("Expected %v (length %d), but received %v (length %d) instead. %s", expected, len(expected), actual, len(actual), getStackTrace())
+	}
+	for i := range actual {
+		if actual[i] != expected[i] {
+			t.Fatalf("Expected %v but received %v instead (first disagreement at position %d). %s", expected, actual, i, getStackTrace())
+		}
+	}
+}
+
 func expectValidDigestString(t *testing.T, s string) {
 	bd, err := FromString(s)
 	if err != nil {
@@ -13,7 +40,7 @@ func expectValidDigestString(t *testing.T, s string) {
 	}
 
 	expected := strings.ToLower(s)
-		
+
 	if expected != bd.String() {
 		t.Fatalf("Expected %s to be returned by FromString(%s).String() but instead we received %s", expected, s, bd.String())
 	}
@@ -26,6 +53,26 @@ func expectInvalidDigestString(t *testing.T, s string) {
 	}
 }
 
+func expectBlockLocator(t *testing.T, actual BlockLocator, expected BlockLocator) {
+	expectEqual(t, actual.Digest, expected.Digest)
+	expectEqual(t, actual.Size, expected.Size)
+	expectStringSlicesEqual(t, actual.Hints, expected.Hints)
+}
+
+func expectLocatorPatternMatch(t *testing.T, s string) {
+	if !LocatorPattern.MatchString(s) {
+		t.Fatalf("Expected \"%s\" to match locator pattern but it did not.",
+			s)
+	}
+}
+
+func expectLocatorPatternFail(t *testing.T, s string) {
+	if LocatorPattern.MatchString(s) {
+		t.Fatalf("Expected \"%s\" to fail locator pattern but it passed.",
+			s)
+	}
+}
+
 func TestValidDigestStrings(t *testing.T) {
 	expectValidDigestString(t, "01234567890123456789abcdefabcdef")
 	expectValidDigestString(t, "01234567890123456789ABCDEFABCDEF")
@@ -49,7 +96,7 @@ func TestBlockDigestGetsPrettyPrintedByPrintf(t *testing.T) {
 	input := "01234567890123456789abcdefabcdef"
 	prettyPrinted := fmt.Sprintf("%v", AssertFromString(input))
 	if prettyPrinted != input {
-		t.Fatalf("Expected blockDigest produced from \"%s\" to be printed as " +
+		t.Fatalf("Expected blockDigest produced from \"%s\" to be printed as "+
 			"\"%s\", but instead it was printed as %s",
 			input, input, prettyPrinted)
 	}
@@ -58,13 +105,13 @@ func TestBlockDigestGetsPrettyPrintedByPrintf(t *testing.T) {
 func TestBlockDigestGetsPrettyPrintedByPrintfInNestedStructs(t *testing.T) {
 	input := "01234567890123456789abcdefabcdef"
 	value := 42
-	nested := struct{
+	nested := struct {
 		// Fun trivia fact: If this field was called "digest" instead of
 		// "Digest", then it would not be exported and String() would
 		// never get called on it and our output would look very
 		// different.
 		Digest BlockDigest
-		value int
+		value  int
 	}{
 		AssertFromString(input),
 		value,
@@ -72,8 +119,44 @@ func TestBlockDigestGetsPrettyPrintedByPrintfInNestedStructs(t *testing.T) {
 	prettyPrinted := fmt.Sprintf("%+v", nested)
 	expected := fmt.Sprintf("{Digest:%s value:%d}", input, value)
 	if prettyPrinted != expected {
-		t.Fatalf("Expected blockDigest produced from \"%s\" to be printed as " +
+		t.Fatalf("Expected blockDigest produced from \"%s\" to be printed as "+
 			"\"%s\", but instead it was printed as %s",
 			input, expected, prettyPrinted)
 	}
 }
+
+func TestLocatorPatternBasic(t *testing.T) {
+	expectLocatorPatternMatch(t, "12345678901234567890123456789012+12345")
+	expectLocatorPatternMatch(t, "A2345678901234abcdefababdeffdfdf+12345")
+	expectLocatorPatternMatch(t, "12345678901234567890123456789012+12345+A1")
+	expectLocatorPatternMatch(t,
+		"12345678901234567890123456789012+12345+A1+B123wxyz@_-")
+	expectLocatorPatternMatch(t,
+		"12345678901234567890123456789012+12345+A1+B123wxyz@_-+C@")
+
+	expectLocatorPatternFail(t, "12345678901234567890123456789012")
+	expectLocatorPatternFail(t, "12345678901234567890123456789012+")
+	expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+")
+	expectLocatorPatternFail(t, "1234567890123456789012345678901+12345")
+	expectLocatorPatternFail(t, "123456789012345678901234567890123+12345")
+	expectLocatorPatternFail(t, "g2345678901234abcdefababdeffdfdf+12345")
+	expectLocatorPatternFail(t, "12345678901234567890123456789012+12345 ")
+	expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+1")
+	expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+1A")
+	expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+A")
+	expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+a1")
+	expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+A1+")
+	expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+A1+B")
+	expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+A+B2")
+}
+
+func TestParseBlockLocatorSimple(t *testing.T) {
+	b, err := ParseBlockLocator("365f83f5f808896ec834c8b595288735+2310+K@qr1hi+Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf")
+	if err != nil {
+		t.Fatalf("Unexpected error parsing block locator: %v", err)
+	}
+	expectBlockLocator(t, b, BlockLocator{Digest: AssertFromString("365f83f5f808896ec834c8b595288735"),
+		Size: 2310,
+		Hints: []string{"K@qr1hi",
+			"Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf"}})
+}