Checkout now reports failures through exceptions.
Checkout sometimes throws an exception, and other times it writes an error message to outw and returns normally, even though the command failed. This commit now reports all failures through a die() exception. Change-Id: I038a5d976d95020fea3faac68e9178f923c25b28 Signed-off-by: Ned Twigg <ned.twigg@diffplug.com>
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@ -71,6 +71,23 @@
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import org.junit.Test;
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public class CheckoutTest extends CLIRepositoryTestCase {
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/**
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* Executes specified git command (with arguments), captures exception and
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* returns its message as an array of lines. Throws an AssertionError if no
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* exception is thrown.
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*
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* @param command
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* a valid git command line, e.g. "git branch -h"
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* @return message contained within the exception
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*/
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private String[] executeExpectingException(String command) {
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try {
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execute(command);
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throw new AssertionError("Expected Die");
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} catch (Exception e) {
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return e.getMessage().split(System.lineSeparator());
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}
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}
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@Test
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public void testCheckoutSelf() throws Exception {
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@ -107,7 +124,7 @@ public void testCheckoutNewBranch() throws Exception {
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public void testCheckoutNonExistingBranch() throws Exception {
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assertStringArrayEquals(
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"error: pathspec 'side' did not match any file(s) known to git.",
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execute("git checkout side"));
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executeExpectingException("git checkout side"));
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}
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@Test
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@ -131,7 +148,7 @@ public void testCheckoutNewBranchOnBranchToBeBorn() throws Exception {
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public void testCheckoutUnresolvedHead() throws Exception {
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assertStringArrayEquals(
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"error: pathspec 'HEAD' did not match any file(s) known to git.",
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execute("git checkout HEAD"));
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executeExpectingException("git checkout HEAD"));
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}
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@Test
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@ -159,7 +176,8 @@ public void testCheckoutExistingBranchWithConflict() throws Exception {
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writeTrashFile("a", "New Hello world a");
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git.add().addFilepattern(".").call();
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String[] execute = execute("git checkout branch_1");
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String[] execute = executeExpectingException(
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"git checkout branch_1");
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assertEquals(
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"error: Your local changes to the following files would be overwritten by checkout:",
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execute[0]);
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@ -122,17 +122,21 @@ protected void run() throws Exception {
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CLIText.get().switchedToBranch,
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Repository.shortenRefName(ref.getName())));
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} catch (RefNotFoundException e) {
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outw.println(MessageFormat.format(
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CLIText.get().pathspecDidNotMatch,
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name));
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throw die(MessageFormat
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.format(CLIText.get().pathspecDidNotMatch, name), e);
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} catch (RefAlreadyExistsException e) {
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throw die(MessageFormat.format(CLIText.get().branchAlreadyExists,
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name));
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throw die(MessageFormat
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.format(CLIText.get().branchAlreadyExists, name));
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} catch (CheckoutConflictException e) {
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outw.println(CLIText.get().checkoutConflict);
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for (String path : e.getConflictingPaths())
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outw.println(MessageFormat.format(
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StringBuilder builder = new StringBuilder();
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builder.append(CLIText.get().checkoutConflict);
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builder.append(System.lineSeparator());
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for (String path : e.getConflictingPaths()) {
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builder.append(MessageFormat.format(
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CLIText.get().checkoutConflictPathLine, path));
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builder.append(System.lineSeparator());
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}
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throw die(builder.toString(), e);
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}
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}
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}
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