fix: prevent empty version folders from being created

cmd/compiler_test.go

@@ -22,10 +22,10 @@ func TestCompile(t *testing.T) {
 		version string
 		paths   []string
 	}{{
-		version: "2021-06-01",
+		version: "2021-06-01~experimental",
 		paths:   []string{"/examples/hello-world/{id}"},
 	}, {
-		version: "2021-06-07",
+		version: "2021-06-07~experimental",
 		paths:   []string{"/examples/hello-world/{id}"},
 	}, {
 		version: "2021-06-13~beta",
@@ -55,22 +55,21 @@ func TestCompileInclude(t *testing.T) {
 	tests := []struct {
 		version string
 	}{{
-		version: "2021-06-01",
+		version: "2021-06-01~experimental",
 	}, {
-		version: "2021-06-07",
+		version: "2021-06-07~experimental",
 	}, {
 		version: "2021-06-13~beta",
 	}, {
 		version: "2021-06-04~experimental",
 	}}
 	for _, test := range tests {
-		v, err := vervet.ParseVersion(test.version)
 		c.Assert(err, qt.IsNil)
 		// Load just-compiled OpenAPI YAML file
-		doc, err := vervet.NewDocumentFile(dstDir + "/" + v.DateString() + "/spec.yaml")
+		doc, err := vervet.NewDocumentFile(dstDir + "/" + test.version + "/spec.yaml")
 		c.Assert(err, qt.IsNil)
 
-		expected, err := ioutil.ReadFile(testdata.Path("output/" + v.DateString() + "/spec.json"))
+		expected, err := ioutil.ReadFile(testdata.Path("output/" + test.version + "/spec.json"))
 		c.Assert(err, qt.IsNil)
 
 		// Servers will differ between the fixture output and the above, since

cmd/version_test.go

@@ -73,8 +73,8 @@ func TestVersionList(t *testing.T) {
 +----------+-------------+-------------------------+----------------------------+--------+------------------+
 |   API    |  RESOURCE   |         VERSION         |            PATH            | METHOD |    OPERATION     |
 +----------+-------------+-------------------------+----------------------------+--------+------------------+
-| testdata | hello-world | 2021-06-01              | /examples/hello-world/{id} | GET    | helloWorldGetOne |
-| testdata | hello-world | 2021-06-07              | /examples/hello-world/{id} | GET    | helloWorldGetOne |
+| testdata | hello-world | 2021-06-01~experimental | /examples/hello-world/{id} | GET    | helloWorldGetOne |
+| testdata | hello-world | 2021-06-07~experimental | /examples/hello-world/{id} | GET    | helloWorldGetOne |
 | testdata | hello-world | 2021-06-13~beta         | /examples/hello-world      | POST   | helloWorldCreate |
 | testdata | hello-world | 2021-06-13~beta         | /examples/hello-world/{id} | GET    | helloWorldGetOne |
 | testdata | projects    | 2021-06-04~experimental | /orgs/{orgId}/projects     | GET    | getOrgsProjects  |

internal/compiler/compiler.go

@@ -286,18 +286,24 @@ func (c *Compiler) Build(ctx context.Context, apiName string) error {
 				if err != nil {
 					return buildErr(err)
 				}
-				versionDir := api.output.path + "/" + version.String()
-				err = os.MkdirAll(versionDir, 0755)
-				if err != nil {
-					return buildErr(err)
-				}
+
 				spec, err := specVersions.At(version.String())
 				if err == vervet.ErrNoMatchingVersion {
 					continue
 				} else if err != nil {
 					return buildErr(err)
 				}
 
+				// Create the directories, but only if a spec file exists for it.
+				versionDir := api.output.path + "/" + version.String()
+
+				if spec != nil {
+					err = os.MkdirAll(versionDir, 0755)
+					if err != nil {
+						return buildErr(err)
+					}
+				}
+
 				// Merge all overlays
 				for _, doc := range api.overlayIncludes {
 					vervet.Merge(spec, doc.T, true)

internal/compiler/compiler_test.go

@@ -102,6 +102,15 @@ func TestCompilerSmoke(t *testing.T) {
 	err = compiler.BuildAll(ctx)
 	c.Assert(err, qt.IsNil)
 
+	// Verify created files/folders are as expected
+	// Look for existence of /2021-06-01~experimental
+	_, err = os.Stat(outputPath + "/2021-06-01~experimental")
+	c.Assert(err, qt.IsNil)
+
+	// Look for absence of /2021-06-01 folder (ga)
+	_, err = os.Stat(outputPath + "/2021-06-01")
+	c.Assert(os.IsNotExist(err), qt.IsTrue)
+
 	// Build output was cleaned up
 	_, err = ioutil.ReadFile(outputPath + "/goof")
 	c.Assert(err, qt.ErrorMatches, ".*/goof: no such file or directory")

resource_test.go

@@ -17,10 +17,10 @@ func TestResource(t *testing.T) {
 	c.Assert(err, qt.IsNil)
 	c.Assert(eps.Versions(), qt.DeepEquals, []Version{{
 		Date:      time.Date(2021, time.June, 1, 0, 0, 0, 0, time.UTC),
-		Stability: StabilityGA,
+		Stability: StabilityExperimental,
 	}, {
 		Date:      time.Date(2021, time.June, 7, 0, 0, 0, 0, time.UTC),
-		Stability: StabilityGA,
+		Stability: StabilityExperimental,
 	}, {
 		Date:      time.Date(2021, time.June, 13, 0, 0, 0, 0, time.UTC),
 		Stability: StabilityBeta,
@@ -40,17 +40,14 @@ func TestVersionRangesHelloWorld(t *testing.T) {
 	tests := []struct {
 		query, match string
 	}{{
-		query: "2021-07-01",
-		match: "2021-06-07",
-	}, {
 		query: "2021-07-01~experimental",
 		match: "2021-06-13~beta",
 	}, {
 		query: "2021-07-01~beta",
 		match: "2021-06-13~beta",
 	}, {
 		query: "2021-06-08~experimental",
-		match: "2021-06-07",
+		match: "2021-06-07~experimental",
 	}}
 	for _, t := range tests {
 		e, err := eps.At(t.query)

spec_test.go

@@ -16,9 +16,9 @@ func TestSpecs(t *testing.T) {
 	versions := specs.Versions()
 	c.Assert(versions, qt.HasLen, 4)
 	c.Assert(versions, qt.ContentEquals, []Version{
-		MustParseVersion("2021-06-01"),
+		MustParseVersion("2021-06-01~experimental"),
 		MustParseVersion("2021-06-04~experimental"),
-		MustParseVersion("2021-06-07"),
+		MustParseVersion("2021-06-07~experimental"),
 		MustParseVersion("2021-06-13~beta"),
 	})
 
@@ -62,12 +62,6 @@ func TestSpecs(t *testing.T) {
 			version: "2021-06-13~beta",
 			path:    "/examples/hello-world/{id}",
 		}},
-	}, {
-		query: "2021-07-01",
-		hasVersions: []expectResourceVersion{{
-			version: "2021-06-07",
-			path:    "/examples/hello-world/{id}",
-		}},
 	}}
 	for i, t := range tests {
 		c.Logf("test#%d: %#v", i, t)