From 9b3ccf516fee412b48ff8b4fcfe76a22fdcb27cd Mon Sep 17 00:00:00 2001
From: Jeff Johnston <jjohnstn@redhat.com>
Date: Tue, 2 Oct 2018 14:43:20 -0400
Subject: [PATCH] Bug 535903 - buildMesonProject test is unstable

- add wait for final String which may be delayed due to
  scanner info refresh

Change-Id: Ib5c001b03cfb93335bf7b6dea2ef10a95e0bf856
---
 .../meson/ui/tests/NewManualNinjaTest.java    | 35 +++++++++++++++----
 .../meson/ui/tests/NewMesonConfigureTest.java |  6 ++++
 .../meson/ui/tests/NewMesonProjectTest.java   | 15 +++++++-
 3 files changed, 48 insertions(+), 8 deletions(-)

diff --git a/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewManualNinjaTest.java b/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewManualNinjaTest.java
index fc652583340..85611aec87b 100644
--- a/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewManualNinjaTest.java
+++ b/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewManualNinjaTest.java
@@ -19,6 +19,7 @@ import java.util.List;
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.index.IIndexManager;
 import org.eclipse.cdt.core.model.CoreModel;
+import org.eclipse.cdt.core.model.IBinary;
 import org.eclipse.cdt.core.model.ICProject;
 import org.eclipse.cdt.internal.meson.ui.tests.utils.CloseWelcomePageRule;
 import org.eclipse.cdt.meson.core.MesonNature;
@@ -156,16 +157,30 @@ public class NewManualNinjaTest {
 		console.show();
 		console.setFocus();
 		
-		String[] lines = new String[0];
-		
-		while (lines.length < 15) {
-			String output = console.bot().styledText().getText();
+		boolean foundExecutable = false;
+		while (!foundExecutable) {
+			IBinary[] binaries = cproject.getBinaryContainer().getBinaries();
+			if (binaries.length > 0) {
+				for (IBinary binary : binaries) {
+					if (binary.getResource().getName().startsWith(projectName)) {
+						foundExecutable = true;
+					}
+				}
+			}
+			bot.sleep(1000);
+		}
+		assertTrue(foundExecutable);
+
+		String output = console.bot().styledText().getText();
+
+		String[] lines = output.split("\\r?\\n"); //$NON-NLS-1$
+
+		while (lines.length < 9) {
+			output = console.bot().styledText().getText();
 			lines = output.split("\\r?\\n"); //$NON-NLS-1$
 			bot.sleep(2000);
 		}
-		
-		bot.sleep(3000);
-		
+
 		assertEquals("Building in: " + projectPath + "/build/default", lines[0]);
 		assertEquals("The Meson build system", lines[2]);
 		assertTrue(lines[3].startsWith("Version:"));
@@ -174,6 +189,12 @@ public class NewManualNinjaTest {
 		assertEquals("Build type: native build", lines[6]);
 		assertEquals("Project name: MesonTestProj3", lines[7]);
 		assertTrue(lines[8].startsWith("Native C compiler: cc"));
+		
+	    int i = 0;
+	    while (i < 10 && !lines[lines.length-1].startsWith("Build complete")) {
+	    	bot.sleep(1000);
+	    	++i;
+	    }
 		assertEquals("Build complete: " + projectPath + "/build/default", lines[lines.length-1]);
 	}
 	
diff --git a/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewMesonConfigureTest.java b/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewMesonConfigureTest.java
index ff149053e93..37682e5b366 100644
--- a/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewMesonConfigureTest.java
+++ b/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewMesonConfigureTest.java
@@ -244,6 +244,12 @@ public class NewMesonConfigureTest {
 		assertTrue(lines[13+index].contains("-Werror"));
 		assertTrue(lines[14+index].startsWith("FAILED"));
 		assertTrue(lines[17+index].contains("Werror=unused-parameter"));
+		
+	    int i = 0;
+	    while (i < 10 && !lines[lines.length-1].startsWith("Build complete")) {
+	    	bot.sleep(1000);
+	    	++i;
+	    }
 		assertEquals("Build complete: " + projectPath + "/build/default", lines[lines.length-1]);
 	}
 	
diff --git a/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewMesonProjectTest.java b/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewMesonProjectTest.java
index bfec8153209..4d3c759893b 100644
--- a/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewMesonProjectTest.java
+++ b/build/org.eclipse.cdt.meson.ui.tests/src/org/eclipse/cdt/internal/meson/ui/tests/NewMesonProjectTest.java
@@ -143,6 +143,7 @@ public class NewMesonProjectTest {
 		SWTBotTreeItem proj = explorer.bot().tree().getTreeItem(projectName).select();
 		proj.contextMenu("Build Project").click();
 
+		// wait until the binary shows up before testing the console output
 		boolean foundExecutable = false;
 		while (!foundExecutable) {
 			IBinary[] binaries = cproject.getBinaryContainer().getBinaries();
@@ -164,7 +165,13 @@ public class NewMesonProjectTest {
 		String output = console.bot().styledText().getText();
 
 		String[] lines = output.split("\\r?\\n"); //$NON-NLS-1$
-		
+
+		while (lines.length < 15) {
+			output = console.bot().styledText().getText();
+			lines = output.split("\\r?\\n"); //$NON-NLS-1$
+			bot.sleep(2000);
+		}
+
 		assertEquals("Building in: " + projectPath + "/build/default", lines[0]);
 		assertEquals(" sh -c \"meson   " + projectPath + "\"", lines[1]);
 		assertEquals("The Meson build system", lines[2]);
@@ -177,6 +184,12 @@ public class NewMesonProjectTest {
 		assertEquals("Build targets in project: 1", lines[11]);
 		assertTrue(lines[lines.length-3].startsWith("[1/2] cc  -IMesonTestProj@exe"));
 		assertTrue(lines[lines.length-2].startsWith("[2/2] cc  -o MesonTestProj"));
+		
+	    int i = 0;
+	    while (i < 10 && !lines[lines.length-1].startsWith("Build complete")) {
+	    	bot.sleep(1000);
+	    	++i;
+	    }
 		assertEquals("Build complete: " + projectPath + "/build/default", lines[lines.length-1]);
 	}