Replace bash release helper scripts with Go progam

cmd/gorepomod/internal/semver/semver_test.go

@@ -0,0 +1,105 @@
+package semver
+
+import (
+	"testing"
+)
+
+func TestParse(t *testing.T) {
+	var testCases = map[string]struct {
+		raw    string
+		v      SemVer
+		errMsg string
+	}{
+		"one": {
+			raw:    "v1.2.3",
+			v:      SemVer{major: 1, minor: 2, patch: 3},
+			errMsg: "",
+		},
+		"two": {
+			raw:    "v2.0.9999",
+			v:      SemVer{major: 2, minor: 0, patch: 9999},
+			errMsg: "",
+		},
+		"three": {
+			raw:    "pizza",
+			v:      zero,
+			errMsg: "\"pizza\" too short to be a version",
+		},
+		"non-digit": {
+			raw:    "v1.x.222",
+			v:      zero,
+			errMsg: "strconv.Atoi: parsing \"x\": invalid syntax",
+		},
+		"bad fields": {
+			raw:    "v1.222",
+			v:      zero,
+			errMsg: "\"v1.222\" doesn't have the form v1.2.3",
+		},
+	}
+	for n, tc := range testCases {
+		v, err := Parse(tc.raw)
+		if err == nil {
+			if tc.errMsg != "" {
+				t.Errorf(
+					"%s: no error, but expected err %q", n, tc.errMsg)
+			}
+			if !v.Equals(tc.v) {
+				t.Errorf(
+					"%s: expected %v, got %v", n, tc.v, v)
+			}
+		} else {
+			if tc.errMsg == "" {
+				t.Errorf(
+					"%s: unexpected error %v", n, err)
+			} else {
+				if tc.errMsg != err.Error() {
+					t.Errorf(
+						"%s: expected err msg %q, but got %q",
+						n, tc.errMsg, err.Error())
+				}
+			}
+		}
+	}
+}
+
+func TestLessThan(t *testing.T) {
+	var testCases = map[string]struct {
+		v1       SemVer
+		v2       SemVer
+		expected bool
+	}{
+		"one": {
+			v1:       SemVer{major: 2, minor: 2, patch: 3},
+			v2:       SemVer{major: 1, minor: 2, patch: 3},
+			expected: false,
+		},
+		"two": {
+			v1:       SemVer{major: 1, minor: 3, patch: 3},
+			v2:       SemVer{major: 1, minor: 2, patch: 3},
+			expected: false,
+		},
+		"three": {
+			v1:       SemVer{major: 1, minor: 2, patch: 4},
+			v2:       SemVer{major: 1, minor: 2, patch: 3},
+			expected: false,
+		},
+		"eq": {
+			v1:       SemVer{major: 2, minor: 2, patch: 3},
+			v2:       SemVer{major: 2, minor: 2, patch: 3},
+			expected: false,
+		},
+		"four": {
+			v1:       zero,
+			v2:       SemVer{major: 0, minor: 0, patch: 1},
+			expected: true,
+		},
+	}
+	for n, tc := range testCases {
+		actual := tc.v1.LessThan(tc.v2)
+		if actual != tc.expected {
+			t.Errorf(
+				"%s: expected %v, got %v for %s LessThan %s",
+				n, tc.expected, actual, tc.v1.String(), tc.v2.String())
+		}
+	}
+}