Create test_general_no_gui.py

Author: stonebig

sqlite_bro/tests/test_general_no_gui.py

@@ -0,0 +1,68 @@
+# from pyappveyordemo.extension import some_function
+import pytest
+import pathlib
+import tempfile
+
+import io
+from sqlite_bro import sqlite_bro
+app = sqlite_bro.App(use_gui=False)
+def test_DeBase():
+    "learning the ropes"
+    assert 1 == 1
+
+
+def test_Basics():
+    "create script, run script, output result, check result"
+    app.new_db(":memory:")
+    with tempfile.TemporaryDirectory(prefix='.tmp') as tmp_dir:
+        print(tmp_dir)
+        tmp_file = str(pathlib.PurePath(tmp_dir, 'sqlite_bro_test_Basics.tmp'))
+        welcome_text = """
+create table item (ItemNo, Description,Kg  , PRIMARY KEY (ItemNo));
+INSERT INTO item values("T","Ford",1000);
+INSERT INTO item select "A","Merced",1250 union all select "W","Wheel",9 ;
+.once %s
+select ItemNo, Description, 1000*Kg Gramm  from item order by ItemNo desc;
+.import %s in_this_table""" % (tmp_file, tmp_file)
+        app.n.new_query_tab("Welcome", welcome_text)
+        app.run_tab()
+        app.close_db
+
+        file_encoding = sqlite_bro.guess_encoding(tmp_file)[0]
+        with io.open(tmp_file, mode='rt', encoding=file_encoding) as f:
+            result = f.readlines()
+        assert len(result) == 4
+        assert result[-1] == "A,Merced,1250000\n"
+
+def test_Outputs():
+    "testing .output, .print, .header, .separator"
+
+    app.new_db(":memory:")
+    with tempfile.TemporaryDirectory(prefix='.tmp') as tmp_dir:
+        print(tmp_dir)
+        tmp_file = str(pathlib.PurePath(tmp_dir, 'sqlite_bro_test_Output.tmp'))
+        welcome_text = """
+create table item (ItemNo, Description  , PRIMARY KEY (ItemNo));
+INSERT INTO item values("DS","Citroën");
+.output %s
+.separator ;
+.headers off
+.print a;b
+select * from item;
+.headers on
+.separator !
+select * from item;
+.import %s in_this_table""" % (tmp_file, tmp_file)
+        app.n.new_query_tab("Welcome", welcome_text)
+        app.run_tab()
+        app.close_db
+
+        file_encoding = sqlite_bro.guess_encoding(tmp_file)[0]
+        with io.open(tmp_file, mode='rt', encoding=file_encoding) as f:
+            result = f.readlines()
+        print(result)
+        assert len(result) == 4
+        assert result[0] == "a;b\n"
+        assert result[1] == "DS;Citroën\n"
+        assert result[2] == "ItemNo!Description\n"
+        assert result[3] == "DS!Citroën\n"