Fix exception when checking if xcproj is required

In case Cocoapods version is below 1.0.0 and Xcode version contains only two digits, we fail as semver cannot work with versions with two digits.
Append zero to the version, to make it correct semver.

Author: rosen-vladimirov

lib/helpers.ts

@@ -22,6 +22,15 @@ export class Helpers {
 		return this.hostInfo.isWindows ? this.cmdQuote(value) : this.bashQuote(value);
 	}
 
+	public appendZeroesToVersion(version: string, requiredVersionLength: number): string {
+		const zeroesToAppend = requiredVersionLength - version.split(".").length;
+		for (let index = 0; index < zeroesToAppend; index++) {
+			version += ".0";
+		}
+
+		return version;
+	}
+
 	private bashQuote(s: string): string {
 		if (s[0] === "'" && s[s.length - 1] === "'") {
 			return s;

lib/sys-info.ts

@@ -313,7 +313,10 @@ export class SysInfo implements NativeScriptDoctor.ISysInfo {
 	public getXcprojInfo(): Promise<NativeScriptDoctor.IXcprojInfo> {
 		return this.getValueForProperty(() => this.xcprojInfoCache, async (): Promise<NativeScriptDoctor.IXcprojInfo> => {
 			const cocoaPodsVersion = await this.getCocoaPodsVersion();
-			const xcodeVersion = await this.getXcodeVersion();
+			let xcodeVersion = await this.getXcodeVersion();
+			if (xcodeVersion) {
+				xcodeVersion = this.helpers.appendZeroesToVersion(xcodeVersion, 3);
+			}
 
 			// CocoaPods with version lower than 1.0.0 don't support Xcode 7.3 yet
 			// https://github.com/CocoaPods/CocoaPods/issues/2530#issuecomment-210470123

test/sys-info.ts

@@ -333,6 +333,16 @@ describe("SysInfo unit tests", () => {
 			});
 		});
 
+		describe("getXcprojInfo", () => {
+			it("does not fail when cocoapods version is below 1.0.0 and Xcode version contains only two digits", async () => {
+				childProcessResult.podVersion = { result: setStdOut("0.39.0") };
+				childProcessResult.xCodeVersion = { result: setStdOut("Xcode 8.3") };
+				sysInfo = mockSysInfo(childProcessResult, { isWindows: false, isDarwin: true, dotNetVersion });
+				const result = await sysInfo.getXcprojInfo();
+				assert.deepEqual(result, { shouldUseXcproj: true, xcprojAvailable: false });
+			});
+		});
+
 		const testData: ICLIOutputVersionTestCase[] = [
 			{
 				testedProperty: "nativeScriptCliVersion",