v2 / cmd / tools / vdoc / vdoc_run_examples_test.v
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1import os


2


3const vexe_path = @VEXE


4const vexe = os.quoted_path(vexe_path)


5const vroot = os.dir(vexe_path)


6


7fn testsuite_begin() {


8    os.setenv('VCOLORS', 'never', true)


9    os.chdir(vroot)!


10}


11


12fn test_check_examples_good() {


13    cmd := '${vexe} doc -comments -check-examples cmd/tools/vdoc/testdata/run_examples_good/main.v'


14    println('${@METHOD:30} running ${cmd} ...')


15    res := os.execute(cmd)


16    assert res.exit_code == 0


17    assert res.output.contains('module main'), res.output


18    assert res.output.contains('fn abc()'), res.output


19    assert res.output.contains("abc just prints 'xyz'"), res.output


20    assert res.output.contains('and should succeed'), res.output


21    assert res.output.contains('Example: assert 5 * 5 == 25'), res.output


22}


23


24fn test_check_examples_bad() {


25    cmd := '${vexe} doc -comments -check-examples cmd/tools/vdoc/testdata/run_examples_bad/main.v'


26    println('${@METHOD:30} running ${cmd} ...')


27    res := os.execute(cmd)


28    assert res.exit_code == 0


29    assert res.output.contains('module main'), res.output


30    assert res.output.contains('Example: assert 5 * 5 == 77'), res.output


31}


32


33fn test_run_examples_good() {


34    cmd := '${vexe} doc -comments -unsafe-run-examples cmd/tools/vdoc/testdata/run_examples_good/main.v'


35    println('${@METHOD:30} running ${cmd} ...')


36    res := os.execute(cmd)


37    assert res.exit_code == 0


38    assert res.output.contains('module main'), res.output


39    assert res.output.contains('fn abc()'), res.output


40    assert res.output.contains("abc just prints 'xyz'"), res.output


41    assert res.output.contains('and should succeed'), res.output


42    assert res.output.contains('Example: assert 5 * 5 == 25'), res.output


43}


44


45fn test_run_examples_bad() {


46    cmd := '${vexe} doc -comments -unsafe-run-examples cmd/tools/vdoc/testdata/run_examples_bad/main.v'


47    println('${@METHOD:30} running ${cmd} ...')


48    res := os.execute(cmd)


49    assert res.exit_code != 0


50    assert res.output.contains('error in documentation example'), res.output


51    assert res.output.contains(' left value: 5 * 5 = 25'), res.output


52    assert res.output.contains('right value: 77'), res.output


53    assert res.output.contains('V panic: Assertion failed...'), res.output


54    assert res.output.contains('module main'), res.output


55    assert res.output.contains('Example: assert 5 * 5 == 77'), res.output


56}


57