initial commit

internal/version/version_test.go

@@ -0,0 +1,61 @@
+package version
+
+import "testing"
+
+func TestResolve(t *testing.T) {
+	tests := []struct {
+		tag, commit, want string
+	}{
+		{"v1.0.0", "abc1234", "v1.0.0"},
+		{"1.2.3", "abc1234", "1.2.3"},
+		{"v1.0.0-rc.1", "abc1234", "v1.0.0-rc.1"},
+		{"release-candidate", "abc1234", "abc1234"},
+		{"latest", "abc1234", "abc1234"},
+		{"v1.2", "abc1234", "abc1234"},
+		{"", "abc1234", "abc1234"},
+		{"", "", "dev"},
+	}
+	for _, tc := range tests {
+		Version = tc.tag
+		Commit = tc.commit
+		if got := String(); got != tc.want {
+			t.Errorf("resolve(tag=%q, commit=%q) = %q; want %q", tc.tag, tc.commit, got, tc.want)
+		}
+	}
+}
+
+func TestIsSemverTag(t *testing.T) {
+	ok := []string{"v1.0.0", "1.2.3", "v0.0.1", "2.10.99", "v1.0.0-rc.1"}
+	bad := []string{"", "latest", "release-1", "v1.2", "1.2", "abc1234", "v1.2.3.4"}
+	for _, tag := range ok {
+		if !isSemverTag(tag) {
+			t.Errorf("isSemverTag(%q) = false; want true", tag)
+		}
+	}
+	for _, tag := range bad {
+		if isSemverTag(tag) {
+			t.Errorf("isSemverTag(%q) = true; want false", tag)
+		}
+	}
+}
+
+func TestParts(t *testing.T) {
+	tests := []struct {
+		tag               string
+		major, minor, rev int
+	}{
+		{"v1.2.3", 1, 2, 3},
+		{"1.2.3", 1, 2, 3},
+		{"v1.2.3-rc1", 1, 2, 3},
+		{"", 0, 0, 0},
+		{"abc1234", 0, 0, 0},
+		{"1.2", 0, 0, 0},
+	}
+	for _, tc := range tests {
+		Version = tc.tag
+		major, minor, rev := Parts()
+		if major != tc.major || minor != tc.minor || rev != tc.rev {
+			t.Errorf("Parts(%q) = %d,%d,%d; want %d,%d,%d", tc.tag, major, minor, rev, tc.major, tc.minor, tc.rev)
+		}
+	}
+}