SNOW-990111: Add easy logging improvements

Snowflake.Data.Tests/UnitTests/Session/EasyLoggingStarterTest.cs

@@ -41,6 +41,14 @@ public class EasyLoggingStarterTest
             }
         };
 
+        private static readonly ClientConfig s_configWithNoLogPath = new ClientConfig
+        {
+            CommonProps = new ClientConfigCommonProps
+            {
+                LogLevel = "Info"
+            }
+        };
+
         [ThreadStatic]
         private static Mock<EasyLoggingConfigProvider> t_easyLoggingProvider;
 
@@ -63,7 +71,7 @@ public void BeforeEach()
         }
 
         [Test]
-        //[Ignore("This test requires manual interaction and therefore cannot be run in CI")]
+        [Ignore("This test requires manual interaction and therefore cannot be run in CI")]
         public void TestThatCreatedDirectoryPermissionsFollowUmask()
         {
             // Note: To test with a different value than the default umask, it will have to be set before running this test
@@ -93,6 +101,26 @@ public void TestThatCreatedDirectoryPermissionsFollowUmask()
             }
         }
 
+        [Test]
+        //[Ignore("This test requires manual interaction and therefore cannot be run in CI")]
+        public void TestThatThrowsErrorWhenLogPathAndHomeDirectoryIsNotSet()
+        {
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                // arrange
+                t_easyLoggingProvider
+                    .Setup(provider => provider.ProvideConfig(ConfigPath))
+                    .Returns(s_configWithNoLogPath);
+
+                // act
+                var thrown = Assert.Throws<Exception>(() => t_easyLoggerStarter.Init(ConfigPath));
+
+                // assert
+                Assert.IsNotNull(thrown);
+                Assert.AreEqual(thrown.Message, "No log path found for easy logging. Home directory is not configured and log path is not provided");
+            }
+        }
+
         [Test]
         public void TestThatConfiguresEasyLoggingOnlyOnceWhenInitializedWithConfigPath()
         {

Snowflake.Data/Core/Session/EasyLoggingStarter.cs

@@ -108,9 +108,7 @@ private string GetLogPath(string logPath)
                 logPathOrDefault = EnvironmentOperations.Instance.GetFolderPath(Environment.SpecialFolder.UserProfile);
                 if (string.IsNullOrEmpty(logPathOrDefault))
                 {
-                    throw new SnowflakeDbException(
-                        SFError.INTERNAL_ERROR,
-                        "No log path found for easy logging. Home directory is not configured and log path is not provided.");
+                    throw new Exception("No log path found for easy logging. Home directory is not configured and log path is not provided");
                 }
             }
             var pathWithDotnetSubdirectory = Path.Combine(logPathOrDefault, "dotnet");