add tests, remove setup test

calcpy/tests/output.txt

@@ -0,0 +1,78 @@
+In [1]: 12
+Out[1]: 12            0x0c             0000 1100
+In [1]: 30/3deg
+Out[1]: 
+1800                   
+---- ≈ 572.957795130823
+ pi                    
+In [1]: [pi/2, log(x)/sin(y), Sum(1/n**2,(n,1,4))]
+Out[1]: 
+               4                                                     
+             ____                                                    
+             \   `                                                   
+              \    1                        log(x)                   
+ pi  log(x)    \   --  ≈ [1.57079632679490, ------, 1.42361111111111]
+[--, ------,   /    2]                      sin(y)                   
+ 2   sin(y)   /    n                                                 
+             /___,                                                   
+             n = 1                                                   
+In [1]: SymmetricGroup(3).conjugacy_classes()
+Out[1]: [{()}, {(0 1 2), (0 2 1)}, {(0 2), (1 2), (0 1)}]
+In [1]: latex(diff($\frac{1}{x}$ * $\sin{x}$))
+Out[1]: \frac{\cos{\left(x \right)}}{x} - \frac{\sin{\left(x \right)}}{x^{2}}
+In [1]: 8x**2+2x-10 = 0
+In [1]: ?23232
+Out[1]: 23232         0x5ac0           0101 1010 1100 0000
+
+  2  6  1
+11 *2 *3        {2: 6, 3: 1, 11: 2} = factorint(_)
+In [1]: ?((1,2),(2,3))
+Out[1]: 
+[1  2]
+[    ]
+[2  3]
+
+-1 = det(_)
+4 = trace(_)
+
+[-3  2 ]
+[      ]
+[2   -1] = _**-1
+
+      2               
+lambda  - 4*lambda - 1 = _.charpoly().as_expr()
+
+                 [    ___    ]                    [        ___]   
+                 [  \/ 5    1]                    [  1   \/ 5 ]   
+        ___      [- ----- - -]           ___      [- - + -----]   
+[(2 - \/ 5 , 1, [[    2     2]]), (2 + \/ 5 , 1, [[  2     2  ]])]
+                 [           ]                    [           ]   
+                 [     1     ]                    [     1     ]    = _.eigenvects() # ((eval, mult, evec),...
+
+ [    ___              ___]                         
+ [  \/ 5    1    1   \/ 5 ]  [      ___           ] 
+ [- ----- - -  - - + -----]  [2 - \/ 5       0    ] 
+([    2     2    2     2  ], [                    ])
+ [                        ]  [                 ___] 
+ [     1            1     ]  [    0      2 + \/ 5 ]  = _.diagonalize() # (P,D) so _=PDP^-1
+In [1]: ?e**(-x**2)
+Out[1]: 
+   2
+ -x 
+e   
+
+        2
+      -x 
+-2*x*e    = diff(_)
+
+  ____       
+\/ pi *erf(x)
+-------------
+      2       = integrate(_)
+
+          4        
+     2   x     / 6\
+1 - x  + -- + O\x /
+         2          = series(_)
+
+[] = solve(_)

calcpy/tests/test_output.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+import os
+from time import sleep
+
+OUTPUT_FILE_PATH = os.path.join(os.path.dirname(__file__), 'output.txt')
+
+def run_flow(ip):
+    def run_cell(raw_cell):
+        print('In [1]: ' + raw_cell)
+        ip.run_cell(raw_cell)
+
+    run_cell('12')
+    run_cell('30/3deg')
+    run_cell('[pi/2, log(x)/sin(y), Sum(1/n**2,(n,1,4))]')
+    run_cell('SymmetricGroup(3).conjugacy_classes()')
+    run_cell(r'latex(diff($\frac{1}{x}$ * $\sin{x}$))')
+    run_cell('8x**2+2x-10 = 0')
+    run_cell('?23232')
+    sleep(1)
+    run_cell('?((1,2),(2,3))')
+    sleep(1)
+    run_cell('?e**(-x**2)')
+    sleep(2)
+
+def test_output(ip, capsys):
+    run_flow(ip)
+    captured = capsys.readouterr()
+    with open(OUTPUT_FILE_PATH) as f:
+        assert f.read() == captured.out, \
+            r'output mismatch, regenerate output by `python calcpy\tests\test_output.py`'
+        assert '' == captured.err
+
+if __name__ == '__main__':
+    import os
+    from contextlib import redirect_stdout
+    from IPython.testing.globalipapp import start_ipython
+
+    ip = start_ipython()
+    ip.run_line_magic('load_ext', 'calcpy')
+    print(f'writing output to {OUTPUT_FILE_PATH}')
+    with open(OUTPUT_FILE_PATH, 'w') as f:
+        with redirect_stdout(f):
+            run_flow(ip)
+

calcpy/tests/test_transformers.py

@@ -41,10 +41,16 @@ def test_auto_product(ip):
     assert ip.run_cell('(x+1)x').result == (x+1)*x
     assert ip.run_cell('2(x+1)').result == 2*(x+1)
     assert ip.run_cell('(x+1)2').result == (x+1)*2
+    assert ip.run_cell('(x+1)2y').result == (x+1)*2*y
     assert ip.run_cell('5x^5 + 4x ^ 4 + 3x**3 + 2x ** 2').result == 5*x**5 + 4*x**4 + 3*x**3 + 2*x**2
     assert ip.run_cell('5x^y').result == 5*x**y
+    assert ip.run_cell('1/2x').result == x/2 # controversial
+
     assert ip.run_cell('f\'{1.1:1.2f}\'').result == '1.10'
     assert ip.run_cell('\'%1.2f\' % 1.234').result == '1.23'
+    assert ip.run_cell('\'%.3f\' % 1.234').result == '1.234'
+
+    assert ip.run_cell('10MB/1MB').result == 10
 
     # check no false positives:
     assert ip.run_cell('0b1010').result == 0b1010

docs/examples.md

@@ -10,9 +10,8 @@ Out[1]:
 ```
 
 ```
-In [1]: a,b,c,d = symbols('a b c d')
-In [2]: ((a,b),(c,d))**-1
-Out[2]: 
+In [1]: ((a,b),(c,d))**-1
+Out[1]: 
 ⎡    d         -b    ⎤
 ⎢─────────  ─────────⎥
 ⎢a*d - b*c  a*d - b*c⎥