Version fix (#66)

* Added version validation check

* Added check for latest

* Changed Helm 3.5.0 test to also test lack of v in version

* Pushing integration tests

* Removed push integration test

* Added more context to integration test

* Addressing comment

.github/workflows/integration-tests.yml

@@ -11,7 +11,7 @@ jobs:
     env:
       HELM_3_8_0: "v3.8.0"
       HELM_3_7_2: "v3.7.2"
-      HELM_3_5_0: "v3.5.0"
+      HELM_NO_V: "3.5.0"
       PR_BASE_REF: ${{ github.event.pull_request.base.ref }}
     steps:
       - name: Check out repository
@@ -50,13 +50,13 @@ jobs:
           else
             echo "HELM VERSION $HELM_3_7_2 INSTALLED SUCCESSFULLY"
           fi
-      - name: Setup helm 3.5.0
+      - name: Setup helm 3.5.0 with no v in version
         uses: ./
         with:
-          version: ${{ env.HELM_3_5_0 }}
+          version: ${{ env.HELM_NO_V }}
-      - name: Validate 3.5.0
+      - name: Validate 3.5.0 without v in version
         run: |
-          if [[ $(helm version) != *$HELM_3_5_0* ]]; then
+          if [[ $(helm version) != *$HELM_NO_V* ]]; then
             echo "HELM VERSION INCORRECT: HELM VERSION DOES NOT CONTAIN v3.5.0"
             echo "HELM VERSION OUTPUT: $(helm version)"
             exit 1

src/run.test.ts

@@ -60,6 +60,10 @@ describe("run.ts", () => {
     expect(os.arch).toBeCalled();
   });
 
+  test("getValidVersion() - return version with v prepended", () => {
+      expect(run.getValidVersion("3.8.0")).toBe("v3.8.0");
+  });
+  
   test("getHelmDownloadURL() - return the URL to download helm for Windows", () => {
     jest.spyOn(os, "type").mockReturnValue("Windows_NT");
 

src/run.ts

@@ -17,6 +17,9 @@ const helmAllReleasesUrl = "https://api.github.com/repos/helm/helm/releases";
 export async function run() {
   let version = core.getInput("version", { required: true });
 
+  if(version !== "latest" && version[0] !== "v"){
+      version = getValidVersion(version);
+  }
   if (version.toLocaleLowerCase() === "latest") {
     version = await getLatestHelmVersion();
   }
@@ -38,6 +41,11 @@ export async function run() {
   core.setOutput("helm-path", cachedPath);
 }
 
+//Returns version with proper v before it
+export function getValidVersion(version: string): string {
+    return "v" + version;
+} 
+
 // Downloads the helm releases JSON and parses all the recent versions of helm from it.
 // Defaults to sending stable helm version if none are valid or if it fails