Allow package versions for alpha and beta without a minor version (#422)

bufbuild · Aug 13, 2021 · 13bcf0e · 13bcf0e
1 parent 503f631
commit 13bcf0e
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Showing 3 changed files with 32 additions and 23 deletions.
diff --git a/internal/pkg/protoversion/package_version.go b/internal/pkg/protoversion/package_version.go
@@ -64,38 +64,40 @@ func newPackageVersionForPackage(pkg string) (*packageVersion, bool) {
 		return newPackageVersion(major, StabilityLevelTest, 0, 0, split[1]), true
 	}
 
-	if strings.Contains(version, "alpha") {
+	var stabilityLevel StabilityLevel
+	containsAlpha := strings.Contains(version, "alpha")
+	containsBeta := strings.Contains(version, "beta")
+	switch {
+	case !containsAlpha && !containsBeta:
+		stabilityLevel = StabilityLevelStable
+	case containsAlpha && !containsBeta:
+		stabilityLevel = StabilityLevelAlpha
+	case !containsAlpha && containsBeta:
+		stabilityLevel = StabilityLevelBeta
+	case containsAlpha && containsBeta:
+		return nil, false
+	}
+	if stabilityLevel != StabilityLevelStable {
 		// 1alpha1 -> [1, 1]
 		// 1p1alpha1 ->[1p1, 1]
-		split := strings.SplitN(version, "alpha", 2)
-		if len(split) != 2 {
-			return nil, false
-		}
-		minor, ok := positiveNumber(split[1])
-		if !ok {
-			return nil, false
-		}
-		major, patch, ok := getAlphaBetaMajorPatch(split[0])
-		if !ok {
-			return nil, false
-		}
-		return newPackageVersion(major, StabilityLevelAlpha, minor, patch, ""), true
-	}
-
-	if strings.Contains(version, "beta") {
-		split := strings.SplitN(version, "beta", 2)
+		// 1alpha -> [1, ""]
+		split := strings.SplitN(version, stabilityLevel.String(), 2)
 		if len(split) != 2 {
 			return nil, false
 		}
-		minor, ok := positiveNumber(split[1])
-		if !ok {
-			return nil, false
+		minor := 0
+		var ok bool
+		if split[1] != "" {
+			minor, ok = positiveNumber(split[1])
+			if !ok {
+				return nil, false
+			}
 		}
 		major, patch, ok := getAlphaBetaMajorPatch(split[0])
 		if !ok {
 			return nil, false
 		}
-		return newPackageVersion(major, StabilityLevelBeta, minor, patch, ""), true
+		return newPackageVersion(major, stabilityLevel, minor, patch, ""), true
 	}
 
 	// no suffix that is valid, make sure we just have a number

diff --git a/internal/pkg/protoversion/protoversion.go b/internal/pkg/protoversion/protoversion.go
@@ -54,8 +54,11 @@ func (s StabilityLevel) String() string {
 // PackageVersion is a package version.
 //
 // A package has a version if the last component is a version of the form
-// v\d+, v\d+test.*, v\d+(alpha|beta)\d+, or v\d+p\d+(alpha|beta)\d+
+// v\d+, v\d+test.*, v\d+(alpha|beta)\d*, or v\d+p\d+(alpha|beta)\d*
 // where numbers are >=1.
+//
+// See https://cloud.google.com/apis/design/versioning#channel-based_versioning
+// See https://cloud.google.com/apis/design/versioning#release-based_versioning
 type PackageVersion interface {
 	fmt.Stringer
 

diff --git a/internal/pkg/protoversion/protoversion_test.go b/internal/pkg/protoversion/protoversion_test.go
@@ -45,6 +45,10 @@ func TestPackageHasPackageVersion(t *testing.T) {
 	testNewPackageVersionForPackage(t, newPackageVersion(1, StabilityLevelTest, 0, 0, "foo"), true, "foo.bar.v1testfoo")
 	testNewPackageVersionForPackage(t, newPackageVersion(4, StabilityLevelTest, 0, 0, ""), true, "foo.bar.v4test")
 	testNewPackageVersionForPackage(t, newPackageVersion(4, StabilityLevelTest, 0, 0, "foo"), true, "foo.bar.v4testfoo")
+	testNewPackageVersionForPackage(t, newPackageVersion(1, StabilityLevelAlpha, 0, 0, ""), true, "foo.bar.v1alpha")
+	testNewPackageVersionForPackage(t, newPackageVersion(1, StabilityLevelAlpha, 0, 1, ""), true, "foo.bar.v1p1alpha")
+	testNewPackageVersionForPackage(t, newPackageVersion(1, StabilityLevelBeta, 0, 0, ""), true, "foo.bar.v1beta")
+	testNewPackageVersionForPackage(t, newPackageVersion(1, StabilityLevelBeta, 0, 1, ""), true, "foo.bar.v1p1beta")
 	testNewPackageVersionForPackage(t, nil, false, "foo.v0")
 	testNewPackageVersionForPackage(t, nil, false, "foo.bar.v0")
 	testNewPackageVersionForPackage(t, nil, false, "foo.bar.v0alpha1")