Add tests to the mintage formatter

2 files changed, 151 insertions, 0 deletions

diff --git a/cmd/mfmt/main_test.go b/cmd/mfmt/main_test.go
new file mode 100644
index 0000000..72e3665
--- /dev/null
+++ b/cmd/mfmt/main_test.go
@@ -0,0 +1,108 @@
+package main
+
+import (
+	"bytes"
+	"testing"
+)
+
+func runTest(t *testing.T, in, out string, nilErr bool) {
+	r := bytes.NewReader([]byte(in))
+	w := new(bytes.Buffer)
+
+	err := mfmt("-", r, w)
+	if nilErr && err != nil {
+		t.Fatalf(`Expected err=nil; got "%s"`, err)
+	} else if !nilErr && err == nil {
+		t.Fatalf(`Expected err=Error; got nil`)
+	}
+
+	if nilErr && w.String() != out {
+		t.Fatalf(`Expected w.String()="%s"; got "%s"`, out, w.String())
+	}
+}
+
+func TestSpacing(t *testing.T) {
+	in := `
+		BEGIN   2002
+   BEGIN         CIRC
+
+
+378.383.000         326.439.000   217.031.000 441.621.000     203.388.000		169.088.000 223.544.000 196.438.000
+
+
+	 10.817.950 118.526.000           ?  43.859.072  50.913.200   9.074.200     150.000		4.679.500
+`
+	out := `BEGIN 2002
+
+BEGIN CIRC
+378.383.000 326.439.000 217.031.000 441.621.000 203.388.000 169.088.000 223.544.000 196.438.000
+ 10.817.950 118.526.000           ?  43.859.072  50.913.200   9.074.200     150.000   4.679.500
+`
+	runTest(t, in, out, true)
+}
+
+func TestAddDots(t *testing.T) {
+	in := `BEGIN 2002
+
+BEGIN CIRC
+378383000 326439000 217031000 441621000 203388000 169088000 223544000 196438000
+ 10817950 118526000         ?  43859072  50913200   9074200    150000   4679500
+`
+	out := `BEGIN 2002
+
+BEGIN CIRC
+378.383.000 326.439.000 217.031.000 441.621.000 203.388.000 169.088.000 223.544.000 196.438.000
+ 10.817.950 118.526.000           ?  43.859.072  50.913.200   9.074.200     150.000   4.679.500
+`
+	runTest(t, in, out, true)
+}
+
+func TestComplete(t *testing.T) {
+	in := `
+		BEGIN   2002
+   BEGIN         CIRC
+
+
+378383000         326439000   21703...1000 441621000     203388000		.1.6.9.0.8.8.0.0.0 223544000 196438000
+
+
+	 10817950 118526000           ?  43859072  50913200   9074..200     150000		4679500
+
+   BEGIN         PROOF
+
+
+378383000         123456789   ..5 441621000     203388000		.1.6.9.0.8.8.0.0.0 223544000 196438000
+
+
+	 10817950 118526000           ?  43859072  50913200   9074..200     150000		4679500
+`
+	out := `BEGIN 2002
+
+BEGIN CIRC
+378.383.000 326.439.000 217.031.000 441.621.000 203.388.000 169.088.000 223.544.000 196.438.000
+ 10.817.950 118.526.000           ?  43.859.072  50.913.200   9.074.200     150.000   4.679.500
+
+BEGIN PROOF
+378.383.000 123.456.789 5 441.621.000 203.388.000 169.088.000 223.544.000 196.438.000
+ 10.817.950 118.526.000 ?  43.859.072  50.913.200   9.074.200     150.000   4.679.500
+`
+	runTest(t, in, out, true)
+}
+
+func TestLabelAlignment(t *testing.T) {
+	in := `BEGIN 2002
+
+BEGIN CIRC
+378383000 326439000 217031000 441621000 203388000 169088000 223544000 196438000
+KNM*: 10817950 118526000         ?  43859072  50913200   9074200    150000   4679500
+MdP:		115.000.000 156.400.000  89.300.000   5.200.000  54.800.000   3.100.000   2.600.000   2.500.000
+`
+	out := `BEGIN 2002
+
+BEGIN CIRC
+      378.383.000 326.439.000 217.031.000 441.621.000 203.388.000 169.088.000 223.544.000 196.438.000
+KNM*:  10.817.950 118.526.000           ?  43.859.072  50.913.200   9.074.200     150.000   4.679.500
+MdP:  115.000.000 156.400.000  89.300.000   5.200.000  54.800.000   3.100.000   2.600.000   2.500.000
+`
+	runTest(t, in, out, true)
+}
diff --git a/cmd/mfmt/util_test.go b/cmd/mfmt/util_test.go
new file mode 100644
index 0000000..e008e0b
--- /dev/null
+++ b/cmd/mfmt/util_test.go
@@ -0,0 +1,43 @@
+/* This file contains tests for utility functions used in the mfmt
+   binary.  Tests of the actual application are in main_test.go. */
+
+package main
+
+import (
+	"testing"
+
+	"git.thomasvoss.com/euro-cash.eu/mintages"
+)
+
+func TestFormatInt(t *testing.T) {
+	for _, x := range [...]struct {
+		n int
+		s string
+	}{
+		{0, "0"},
+		{123, "123"},
+		{81758, "81.758"},
+		{752759237528, "752.759.237.528"},
+		{mintages.Unknown, "?"},
+	} {
+		s := formatInt(x.n)
+		if s != x.s {
+			t.Fatalf(`Expected s="%s"; got "%s"`, x.s, s)
+		}
+	}
+}
+
+func TestIntLen(t *testing.T) {
+	for _, x := range [...]struct{ x, y int }{
+		{0, len("0")},
+		{123, len("123")},
+		{81758, len("81758")},
+		{752759237528, len("752759237528")},
+		{mintages.Unknown, len("?")},
+	} {
+		n := intlen(x.x)
+		if n != x.y {
+			t.Fatalf("Expected n=%d; got %d", x.y, n)
+		}
+	}
+}