[osinfo-db-tools PATCH 2/7] tests: Add util.py

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util.py contains helpers for getting the path of both binaries and data
to be used in our tests.

https://gitlab.com/libosinfo/osinfo-db-tools/issues/2

Signed-off-by: Fabiano Fidêncio <fidencio@xxxxxxxxxx>
---
 tests/Makefile.am |   5 ++
 tests/util.py     | 146 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 151 insertions(+)
 create mode 100644 tests/util.py

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 5108cb3..ba267ad 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,6 +1,7 @@
 EXTRA_DIST = data
 
 test_helpers = \
+	util.py \
 	$(NULL)
 
 test_programs = \
@@ -14,3 +15,7 @@ EXTRA_DIST += \
 TESTS = \
 	$(test_programs) \
 	$(NULL)
+
+TESTS_ENVIRONMENT = \
+	abs_top_builddir="$(abs_top_builddir)" \
+	abs_top_srcdir="$(abs_top_srcdir)"
diff --git a/tests/util.py b/tests/util.py
new file mode 100644
index 0000000..e2d4b9b
--- /dev/null
+++ b/tests/util.py
@@ -0,0 +1,146 @@
+# This work is licensed under the GNU GPLv2 or later.
+# See the COPYING file in the top-level directory
+
+from enum import EnumMeta
+import os
+import subprocess
+import tempfile
+
+
+class _Tools():
+    """
+    Helper class to get the tools binaries
+    """
+    def __init__(self):
+        self.toolsdir = os.path.join(os.environ.get("abs_top_builddir"),
+                "tools")
+        self._db_export = None
+        self._db_import = None
+        self._db_path = None
+        self._db_validate = None
+
+    @property
+    def db_export(self):
+        """
+        Get osinfo-db-export binary
+        """
+        if not self._db_export:
+            self._db_export = os.path.join(self.toolsdir, "osinfo-db-export")
+        return self._db_export
+
+    @property
+    def db_import(self):
+        """
+        Get osinfo-db-import binary
+        """
+        if not self._db_import:
+            self._db_import = os.path.join(self.toolsdir, "osinfo-db-import")
+        return self._db_import
+
+    @property
+    def db_path(self):
+        """
+        Get osinfo-db-path binary
+        """
+        if not self._db_path:
+            self._db_path = os.path.join(self.toolsdir, "osinfo-db-path")
+        return self._db_path
+
+    @property
+    def db_validate(self):
+        """
+        Get osinfo-db-validate binary
+        """
+        if not self._db_validate:
+            self._db_validate = os.path.join(self.toolsdir,
+                    "osinfo-db-validate")
+        return self._db_validate
+
+
+Tools = _Tools()
+
+
+class _Data():
+    """
+    Helper class to get the specific data used in the tests
+    """
+    def __init__(self):
+        self.datadir = os.path.join(os.environ.get("abs_top_srcdir"), "tests",
+                "data")
+        self._license = None
+        self._positive_data = None
+        self._negative_data = None
+
+    @property
+    def license(self):
+        """
+        Get the path to the license file
+        """
+        if not self._license:
+            self._license = os.path.join(self.datadir, "license")
+        return self._license
+
+    @property
+    def positive(self):
+        """
+        Get the path for the tests data
+        """
+        if not self._positive_data:
+            self._positive_data = os.path.join(self.datadir, "positive")
+        return self._positive_data
+
+    @property
+    def negative(self):
+        """
+        Get the path for the negative tests data
+        """
+        if not self._negative_data:
+            self._negative_data = os.path.join(self.datadir, "negative")
+        return self._negative_data
+
+
+Data = _Data()
+
+
+def tempdir():
+    """
+    Create a temporary directory to be used during the tests
+    """
+    tempdir = tempfile.mkdtemp(prefix="osinfo-db-tools-tests-")
+    return tempdir
+
+
+def get_output(cmd):
+    """
+    Get the stdout output from a command execution
+    """
+    child = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+
+    stdout, _ = child.communicate()
+    return stdout.decode()
+
+
+def get_returncode(cmd1, cmd2=None):
+    """
+    Get the return code from a command execution
+    """
+    cmd1_proc = subprocess.Popen(cmd1, stdout=subprocess.PIPE)
+    if cmd2 is not None:
+        cmd2_proc = subprocess.Popen(cmd2, stdin=cmd1_proc.stdout)
+        cmd2_proc.wait()
+    cmd1_proc.wait()
+
+    return cmd2_proc.returncode if cmd2 is not None else cmd1_proc.returncode
+
+
+class ToolsArgs(EnumMeta):
+    SYSTEM = "--system"
+    LOCAL = "--local"
+    USER = "--user"
+    DIR = "--dir"
+    ROOT = "--root"
+    # --license is only valid for osinfo-db-export
+    LICENSE = "--license"
+    VERSION = "--version"
+    # --latest is only valid for osinfo-db-import
+    LATEST = "--latest"
-- 
2.21.0

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