ui: fix extra newline in dvc version

dvc/command/version.py

@@ -27,23 +27,13 @@ class CmdVersion(CmdBaseNoRepo):
     def run(self):
         from dvc.repo import Repo
 
-        dvc_version = __version__
-        python_version = platform.python_version()
-        platform_type = platform.platform()
-        binary = is_binary()
-        info = (
-            "DVC version: {dvc_version}\n"
-            "Python version: {python_version}\n"
-            "Platform: {platform_type}\n"
-            "Binary: {binary}\n"
-            "Package: {package}\n"
-        ).format(
-            dvc_version=dvc_version,
-            python_version=python_version,
-            platform_type=platform_type,
-            binary=binary,
-            package=PKG,
-        )
+        info = [
+            "DVC version: {}".format(__version__),
+            "Python version: {}".format(platform.python_version()),
+            "Platform: {}".format(platform.platform()),
+            "Binary: {}".format(is_binary()),
+            "Package: {}".format(PKG),
+        ]
 
         try:
             repo = Repo()
@@ -54,9 +44,14 @@ def run(self):
             # later decides to enable shared cache mode with
             # `dvc config cache.shared group`.
             if os.path.exists(repo.cache.local.cache_dir):
-                info += "Cache: {cache}\n".format(
-                    cache=self.get_linktype_support_info(repo)
+                info.append(
+                    "Cache: {}".format(self.get_linktype_support_info(repo))
                 )
+                if psutil:
+                    fs_type = self.get_fs_type(repo.cache.local.cache_dir)
+                    info.append(
+                        "Filesystem type (cache directory): {}".format(fs_type)
+                    )
             else:
                 logger.warning(
                     "Unable to detect supported link types, as cache "
@@ -66,19 +61,14 @@ def run(self):
                     "check.".format(relpath(repo.cache.local.cache_dir))
                 )
 
-            if psutil:
-                info += (
-                    "Filesystem type (cache directory): {fs_cache}\n"
-                ).format(fs_cache=self.get_fs_type(repo.cache.local.cache_dir))
         except NotDvcRepoError:
             root_directory = os.getcwd()
 
         if psutil:
-            info += ("Filesystem type (workspace): {fs_root}").format(
-                fs_root=self.get_fs_type(os.path.abspath(root_directory))
-            )
+            fs_root = self.get_fs_type(os.path.abspath(root_directory))
+            info.append("Filesystem type (workspace): {}".format(fs_root))
 
-        logger.info(info)
+        logger.info("\n".join(info))
         return 0
 
     @staticmethod

tests/func/test_version.py

@@ -1,3 +1,4 @@
+import os
 import re
 
 import pytest
@@ -6,54 +7,44 @@
 from dvc.main import main
 
 
-def test_info_in_repo(repo_dir, dvc_repo, caplog):
-    # adding a file so that dvc creates `.dvc/cache`, that is needed for proper
-    # supported link types check.
-    assert main(["add", repo_dir.FOO]) == 0
+def test_info_in_repo(tmp_dir, dvc, caplog):
+    # Create `.dvc/cache`, that is needed to check supported link types.
+    os.mkdir(dvc.cache.local.cache_dir)
     assert main(["version"]) == 0
 
-    assert re.search(re.compile(r"DVC version: \d+\.\d+\.\d+"), caplog.text)
-    assert re.search(re.compile(r"Python version: \d\.\d\.\d"), caplog.text)
-    assert re.search(re.compile(r"Platform: .*"), caplog.text)
-    assert re.search(re.compile(r"Binary: (True|False)"), caplog.text)
-    assert re.search(re.compile(r"Package: .*"), caplog.text)
-    assert re.search(
-        re.compile(r"(Cache: (.*link - (True|False)(,\s)?){3})"), caplog.text
-    )
+    assert re.search(r"DVC version: \d+\.\d+\.\d+", caplog.text)
+    assert re.search(r"Python version: \d\.\d\.\d", caplog.text)
+    assert re.search(r"Platform: .*", caplog.text)
+    assert re.search(r"Binary: (True|False)", caplog.text)
+    assert re.search(r"Package: .*", caplog.text)
+    assert re.search(r"(Cache: (.*link - (True|False)(,\s)?){3})", caplog.text)
 
 
 @pytest.mark.skipif(psutil is None, reason="No psutil.")
-def test_fs_info_in_repo(dvc_repo, caplog):
+def test_fs_info_in_repo(tmp_dir, dvc, caplog):
+    os.mkdir(dvc.cache.local.cache_dir)
     assert main(["version"]) == 0
 
-    assert re.search(
-        re.compile(r"Filesystem type \(cache directory\): .*"), caplog.text
-    )
-    assert re.search(
-        re.compile(r"Filesystem type \(workspace\): .*"), caplog.text
-    )
+    assert "Filesystem type (cache directory): " in caplog.text
+    assert "Filesystem type (workspace): " in caplog.text
 
 
-def test_info_outside_of_repo(repo_dir, caplog):
+def test_info_outside_of_repo(tmp_dir, caplog):
     assert main(["version"]) == 0
 
-    assert re.search(re.compile(r"DVC version: \d+\.\d+\.\d+"), caplog.text)
-    assert re.search(re.compile(r"Python version: \d\.\d\.\d"), caplog.text)
-    assert re.search(re.compile(r"Platform: .*"), caplog.text)
-    assert re.search(re.compile(r"Binary: (True|False)"), caplog.text)
-    assert re.search(re.compile(r"Package: .*"), caplog.text)
+    assert re.search(r"DVC version: \d+\.\d+\.\d+", caplog.text)
+    assert re.search(r"Python version: \d\.\d\.\d", caplog.text)
+    assert re.search(r"Platform: .*", caplog.text)
+    assert re.search(r"Binary: (True|False)", caplog.text)
+    assert re.search(r"Package: .*", caplog.text)
     assert not re.search(
-        re.compile(r"(Cache: (.*link - (True|False)(,\s)?){3})"), caplog.text
+        r"(Cache: (.*link - (True|False)(,\s)?){3})", caplog.text
     )
 
 
 @pytest.mark.skipif(psutil is None, reason="No psutil.")
-def test_fs_info_outside_of_repo(repo_dir, caplog):
+def test_fs_info_outside_of_repo(tmp_dir, caplog):
     assert main(["version"]) == 0
 
-    assert re.search(
-        re.compile(r"Filesystem type \(workspace\): .*"), caplog.text
-    )
-    assert not re.search(
-        re.compile(r"Filesystem type \(cache directory\): .*"), caplog.text
-    )
+    assert "Filesystem type (cache directory): " not in caplog.text
+    assert "Filesystem type (workspace): " in caplog.text