Add parser tests

Author: mdbrnowski

test_main.py

@@ -4,6 +4,29 @@
 runner = CliRunner()
 
 
+def test_parser_basic():
+    result = runner.invoke(app, ["parse", "tests/parser/input_1.txt"])
+    assert result.exit_code == 0
+    assert result.stdout == ""
+
+
+def test_parser_loops():
+    result = runner.invoke(app, ["parse", "tests/parser/input_2.txt"])
+    assert result.exit_code == 0
+    assert result.stdout == ""
+
+
+def test_parser_error():
+    result = runner.invoke(app, ["parse", "tests/parser/invalid_input_1.txt"])
+    assert result.exit_code == 0
+    assert "line 1" in result.stdout
+    assert "line 3" in result.stdout
+    assert "line 7" in result.stdout
+    assert "line 10" in result.stdout
+    assert "line 12" in result.stdout
+    assert result.stdout.count("line") == 5
+
+
 def test_ast():
     result = runner.invoke(app, ["ast", "tests/ast/input_1.txt"])
     assert result.exit_code == 0

tests/parser/input_1.txt

@@ -0,0 +1,27 @@
+A = zeros(5);  # 3x3 matrix filled with zeros
+B = ones(7);   # 3x3 matrix filled with ones
+C = eye(10);   # 3x3 diagonal matrix filled with ones
+D = A.+B;     # add element-wise
+E -= A.-B;    # substract element-wise
+F *= A.*B;    # multiply element-wise
+G /= A./B;    # divide element-wise
+
+H = [ [ 1, 2, 3], [ 4, 5, 6], [ 7, 8, 9] ];
+
+print H[1, 2];
+
+float_1 = 3.14;
+float_2 = 3.;
+float_3 = .14;
+float_4 = 3.14e-2;
+string_1 = "#Hello!";
+
+H *= H';
+
+a = 1;
+b = 2;
+
+a += b;
+a /= b;
+a *= b;
+a -= b;

tests/parser/input_2.txt

@@ -0,0 +1,18 @@
+k = 42;
+
+while(k>1) {
+    if(k<5)
+        k = k + 1;
+    else if(k<10)
+        i = 5;
+    else
+        i = 10;
+    k = k - 2;
+}
+
+for i = 1:10
+    for j = i:k
+        print i, j;
+
+
+{ ok = 4; }

tests/parser/invalid_input_1.txt

@@ -0,0 +1,12 @@
+a == 2;
+
+if(a=2) {
+    a = 3;
+}
+
+5;
+
+a = 4;
+8 = a;
+
+b = 4 * (2 + 2;