示例#1
0
class Analysis(object):
    """The results of analyzing a code unit."""
    def __init__(self, cov, code_unit):
        self.coverage = cov
        self.code_unit = code_unit

        self.filename = self.code_unit.filename
        actual_filename, source = self.find_source(self.filename)

        self.parser = CodeParser(
            text=source,
            filename=actual_filename,
            exclude=self.coverage._exclude_regex('exclude'))
        self.statements, self.excluded = self.parser.parse_source()

        # Identify missing statements.
        executed = self.coverage.data.executed_lines(self.filename)
        exec1 = self.parser.first_lines(executed)
        self.missing = self.statements - exec1

        if self.coverage.data.has_arcs():
            self.no_branch = self.parser.lines_matching(
                join_regex(self.coverage.config.partial_list),
                join_regex(self.coverage.config.partial_always_list))
            n_branches = self.total_branches()
            mba = self.missing_branch_arcs()
            n_partial_branches = sum(
                [len(v) for k, v in iitems(mba) if k not in self.missing])
            n_missing_branches = sum([len(v) for k, v in iitems(mba)])
        else:
            n_branches = n_partial_branches = n_missing_branches = 0
            self.no_branch = set()

        self.numbers = Numbers(
            n_files=1,
            n_statements=len(self.statements),
            n_excluded=len(self.excluded),
            n_missing=len(self.missing),
            n_branches=n_branches,
            n_partial_branches=n_partial_branches,
            n_missing_branches=n_missing_branches,
        )

    def find_source(self, filename):
        """Find the source for `filename`.

        Returns two values: the actual filename, and the source.

        The source returned depends on which of these cases holds:

            * The filename seems to be a non-source file: returns None

            * The filename is a source file, and actually exists: returns None.

            * The filename is a source file, and is in a zip file or egg:
              returns the source.

            * The filename is a source file, but couldn't be found: raises
              `NoSource`.

        """
        source = None

        base, ext = os.path.splitext(filename)
        TRY_EXTS = {
            '.py': ['.py', '.pyw'],
            '.pyw': ['.pyw'],
        }
        try_exts = TRY_EXTS.get(ext)
        if not try_exts:
            return filename, None

        for try_ext in try_exts:
            try_filename = base + try_ext
            if os.path.exists(try_filename):
                return try_filename, None
            source = self.coverage.file_locator.get_zip_data(try_filename)
            if source:
                return try_filename, source
        raise NoSource("No source for code: '%s'" % filename)

    def missing_formatted(self):
        """The missing line numbers, formatted nicely.

        Returns a string like "1-2, 5-11, 13-14".

        """
        return format_lines(self.statements, self.missing)

    def has_arcs(self):
        """Were arcs measured in this result?"""
        return self.coverage.data.has_arcs()

    def arc_possibilities(self):
        """Returns a sorted list of the arcs in the code."""
        arcs = self.parser.arcs()
        return arcs

    def arcs_executed(self):
        """Returns a sorted list of the arcs actually executed in the code."""
        executed = self.coverage.data.executed_arcs(self.filename)
        m2fl = self.parser.first_line
        executed = [(m2fl(l1), m2fl(l2)) for (l1, l2) in executed]
        return sorted(executed)

    def arcs_missing(self):
        """Returns a sorted list of the arcs in the code not executed."""
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        missing = [
            p for p in possible
            if p not in executed and p[0] not in self.no_branch
        ]
        return sorted(missing)

    def arcs_unpredicted(self):
        """Returns a sorted list of the executed arcs missing from the code."""
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        # Exclude arcs here which connect a line to itself.  They can occur
        # in executed data in some cases.  This is where they can cause
        # trouble, and here is where it's the least burden to remove them.
        unpredicted = [
            e for e in executed if e not in possible and e[0] != e[1]
        ]
        return sorted(unpredicted)

    def branch_lines(self):
        """Returns a list of line numbers that have more than one exit."""
        exit_counts = self.parser.exit_counts()
        return [l1 for l1, count in iitems(exit_counts) if count > 1]

    def total_branches(self):
        """How many total branches are there?"""
        exit_counts = self.parser.exit_counts()
        return sum([count for count in exit_counts.values() if count > 1])

    def missing_branch_arcs(self):
        """Return arcs that weren't executed from branch lines.

        Returns {l1:[l2a,l2b,...], ...}

        """
        missing = self.arcs_missing()
        branch_lines = set(self.branch_lines())
        mba = {}
        for l1, l2 in missing:
            if l1 in branch_lines:
                if l1 not in mba:
                    mba[l1] = []
                mba[l1].append(l2)
        return mba

    def branch_stats(self):
        """Get stats about branches.

        Returns a dict mapping line numbers to a tuple:
        (total_exits, taken_exits).
        """

        exit_counts = self.parser.exit_counts()
        missing_arcs = self.missing_branch_arcs()
        stats = {}
        for lnum in self.branch_lines():
            exits = exit_counts[lnum]
            try:
                missing = len(missing_arcs[lnum])
            except KeyError:
                missing = 0
            stats[lnum] = (exits, exits - missing)
        return stats
示例#2
0
class Analysis(object):
    """The results of analyzing a code unit."""

    def __init__(self, cov, code_unit):
        self.coverage = cov
        self.code_unit = code_unit

        self.filename = self.code_unit.filename
        actual_filename, source = self.find_source(self.filename)

        self.parser = CodeParser(
            text=source, filename=actual_filename,
            exclude=self.coverage._exclude_regex('exclude')
            )
        self.statements, self.excluded = self.parser.parse_source()

        # Identify missing statements.
        executed = self.coverage.data.executed_lines(self.filename)
        exec1 = self.parser.first_lines(executed)
        self.missing = self.statements - exec1

        if self.coverage.data.has_arcs():
            self.no_branch = self.parser.lines_matching(
                join_regex(self.coverage.config.partial_list),
                join_regex(self.coverage.config.partial_always_list)
                )
            n_branches = self.total_branches()
            mba = self.missing_branch_arcs()
            n_partial_branches = sum(
                [len(v) for k,v in iitems(mba) if k not in self.missing]
                )
            n_missing_branches = sum([len(v) for k,v in iitems(mba)])
        else:
            n_branches = n_partial_branches = n_missing_branches = 0
            self.no_branch = set()

        self.numbers = Numbers(
            n_files=1,
            n_statements=len(self.statements),
            n_excluded=len(self.excluded),
            n_missing=len(self.missing),
            n_branches=n_branches,
            n_partial_branches=n_partial_branches,
            n_missing_branches=n_missing_branches,
            )

    def find_source(self, filename):
        """Find the source for `filename`.

        Returns two values: the actual filename, and the source.

        The source returned depends on which of these cases holds:

            * The filename seems to be a non-source file: returns None

            * The filename is a source file, and actually exists: returns None.

            * The filename is a source file, and is in a zip file or egg:
              returns the source.

            * The filename is a source file, but couldn't be found: raises
              `NoSource`.

        """
        source = None

        base, ext = os.path.splitext(filename)
        TRY_EXTS = {
            '.py':  ['.py', '.pyw'],
            '.pyw': ['.pyw'],
        }
        try_exts = TRY_EXTS.get(ext)
        if not try_exts:
            return filename, None

        for try_ext in try_exts:
            try_filename = base + try_ext
            if os.path.exists(try_filename):
                return try_filename, None
            source = self.coverage.file_locator.get_zip_data(try_filename)
            if source:
                return try_filename, source
        raise NoSource("No source for code: '%s'" % filename)

    def missing_formatted(self):
        """The missing line numbers, formatted nicely.

        Returns a string like "1-2, 5-11, 13-14".

        """
        return format_lines(self.statements, self.missing)

    def has_arcs(self):
        """Were arcs measured in this result?"""
        return self.coverage.data.has_arcs()

    def arc_possibilities(self):
        """Returns a sorted list of the arcs in the code."""
        arcs = self.parser.arcs()
        return arcs

    def arcs_executed(self):
        """Returns a sorted list of the arcs actually executed in the code."""
        executed = self.coverage.data.executed_arcs(self.filename)
        m2fl = self.parser.first_line
        executed = [(m2fl(l1), m2fl(l2)) for (l1,l2) in executed]
        return sorted(executed)

    def arcs_missing(self):
        """Returns a sorted list of the arcs in the code not executed."""
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        missing = [
            p for p in possible
                if p not in executed
                    and p[0] not in self.no_branch
            ]
        return sorted(missing)

    def arcs_unpredicted(self):
        """Returns a sorted list of the executed arcs missing from the code."""
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        # Exclude arcs here which connect a line to itself.  They can occur
        # in executed data in some cases.  This is where they can cause
        # trouble, and here is where it's the least burden to remove them.
        unpredicted = [
            e for e in executed
                if e not in possible
                    and e[0] != e[1]
            ]
        return sorted(unpredicted)

    def branch_lines(self):
        """Returns a list of line numbers that have more than one exit."""
        exit_counts = self.parser.exit_counts()
        return [l1 for l1,count in iitems(exit_counts) if count > 1]

    def total_branches(self):
        """How many total branches are there?"""
        exit_counts = self.parser.exit_counts()
        return sum([count for count in exit_counts.values() if count > 1])

    def missing_branch_arcs(self):
        """Return arcs that weren't executed from branch lines.

        Returns {l1:[l2a,l2b,...], ...}

        """
        missing = self.arcs_missing()
        branch_lines = set(self.branch_lines())
        mba = {}
        for l1, l2 in missing:
            if l1 in branch_lines:
                if l1 not in mba:
                    mba[l1] = []
                mba[l1].append(l2)
        return mba

    def branch_stats(self):
        """Get stats about branches.

        Returns a dict mapping line numbers to a tuple:
        (total_exits, taken_exits).
        """

        exit_counts = self.parser.exit_counts()
        missing_arcs = self.missing_branch_arcs()
        stats = {}
        for lnum in self.branch_lines():
            exits = exit_counts[lnum]
            try:
                missing = len(missing_arcs[lnum])
            except KeyError:
                missing = 0
            stats[lnum] = (exits, exits - missing)
        return stats
示例#3
0
class Analysis(object):
    """The results of analyzing a code unit."""
    def __init__(self, cov, code_unit):
        self.coverage = cov
        self.code_unit = code_unit

        self.filename = self.code_unit.filename
        ext = os.path.splitext(self.filename)[1]
        source = None
        if ext == '.py':
            if not os.path.exists(self.filename):
                source = self.coverage.file_locator.get_zip_data(self.filename)
                if not source:
                    raise NoSource("No source for code: %r" % self.filename)

        self.parser = CodeParser(text=source,
                                 filename=self.filename,
                                 exclude=self.coverage.exclude_re)
        self.statements, self.excluded = self.parser.parse_source()

        # Identify missing statements.
        executed = self.coverage.data.executed_lines(self.filename)
        exec1 = self.parser.first_lines(executed)
        self.missing = sorted(set(self.statements) - set(exec1))

        if self.coverage.data.has_arcs():
            n_branches = self.total_branches()
            mba = self.missing_branch_arcs()
            n_missing_branches = sum([len(v) for v in mba.values()])
        else:
            n_branches = n_missing_branches = 0

        self.numbers = Numbers(
            n_files=1,
            n_statements=len(self.statements),
            n_excluded=len(self.excluded),
            n_missing=len(self.missing),
            n_branches=n_branches,
            n_missing_branches=n_missing_branches,
        )

    def missing_formatted(self):
        """The missing line numbers, formatted nicely.

        Returns a string like "1-2, 5-11, 13-14".

        """
        return format_lines(self.statements, self.missing)

    def has_arcs(self):
        """Were arcs measured in this result?"""
        return self.coverage.data.has_arcs()

    def arc_possibilities(self):
        """Returns a sorted list of the arcs in the code."""
        return self.parser.arcs()

    def arcs_executed(self):
        """Returns a sorted list of the arcs actually executed in the code."""
        executed = self.coverage.data.executed_arcs(self.filename)
        m2fl = self.parser.first_line
        executed = [(m2fl(l1), m2fl(l2)) for (l1, l2) in executed]
        return sorted(executed)

    def arcs_missing(self):
        """Returns a sorted list of the arcs in the code not executed."""
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        missing = [p for p in possible if p not in executed]
        return sorted(missing)

    def arcs_unpredicted(self):
        """Returns a sorted list of the executed arcs missing from the code."""
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        # Exclude arcs here which connect a line to itself.  They can occur
        # in executed data in some cases.  This is where they can cause
        # trouble, and here is where it's the least burden to remove them.
        unpredicted = [
            e for e in executed if e not in possible and e[0] != e[1]
        ]
        return sorted(unpredicted)

    def branch_lines(self):
        """Returns lines that have more than one exit."""
        exit_counts = self.parser.exit_counts()
        return [l1 for l1, count in exit_counts.items() if count > 1]

    def total_branches(self):
        """How many total branches are there?"""
        exit_counts = self.parser.exit_counts()
        return sum([count for count in exit_counts.values() if count > 1])

    def missing_branch_arcs(self):
        """Return arcs that weren't executed from branch lines.

        Returns {l1:[l2a,l2b,...], ...}

        """
        missing = self.arcs_missing()
        branch_lines = set(self.branch_lines())
        mba = {}
        for l1, l2 in missing:
            if l1 in branch_lines:
                if l1 not in mba:
                    mba[l1] = []
                mba[l1].append(l2)
        return mba
示例#4
0
class Analysis(object):
    def __init__(self, cov, code_unit):
        self.coverage = cov
        self.code_unit = code_unit
        self.filename = self.code_unit.filename
        actual_filename, source = self.find_source(self.filename)
        self.parser = CodeParser(
            text=source,
            filename=actual_filename,
            exclude=self.coverage._exclude_regex('exclude'))
        self.statements, self.excluded = self.parser.parse_source()
        executed = self.coverage.data.executed_lines(self.filename)
        exec1 = self.parser.first_lines(executed)
        self.missing = sorted(set(self.statements) - set(exec1))
        if self.coverage.data.has_arcs():
            self.no_branch = self.parser.lines_matching(
                join_regex(self.coverage.config.partial_list),
                join_regex(self.coverage.config.partial_always_list))
            n_branches = self.total_branches()
            mba = self.missing_branch_arcs()
            n_partial_branches = sum(
                [len(v) for k, v in iitems(mba) if k not in self.missing])
            n_missing_branches = sum([len(v) for k, v in iitems(mba)])
        else:
            n_branches = n_partial_branches = n_missing_branches = 0
            self.no_branch = set()
        self.numbers = Numbers(n_files=1,
                               n_statements=len(self.statements),
                               n_excluded=len(self.excluded),
                               n_missing=len(self.missing),
                               n_branches=n_branches,
                               n_partial_branches=n_partial_branches,
                               n_missing_branches=n_missing_branches)

    def find_source(self, filename):
        source = None
        base, ext = os.path.splitext(filename)
        TRY_EXTS = {'.py': ['.py', '.pyw'], '.pyw': ['.pyw']}
        try_exts = TRY_EXTS.get(ext)
        if not try_exts:
            return (filename, None)
        for try_ext in try_exts:
            try_filename = base + try_ext
            if os.path.exists(try_filename):
                return (try_filename, None)
            source = self.coverage.file_locator.get_zip_data(try_filename)
            if source:
                return (try_filename, source)

        raise NoSource("No source for code: '%s'" % filename)

    def missing_formatted(self):
        return format_lines(self.statements, self.missing)

    def has_arcs(self):
        return self.coverage.data.has_arcs()

    def arc_possibilities(self):
        arcs = self.parser.arcs()
        return arcs

    def arcs_executed(self):
        executed = self.coverage.data.executed_arcs(self.filename)
        m2fl = self.parser.first_line
        executed = [(m2fl(l1), m2fl(l2)) for l1, l2 in executed]
        return sorted(executed)

    def arcs_missing(self):
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        missing = [
            p for p in possible
            if p not in executed and p[0] not in self.no_branch
        ]
        return sorted(missing)

    def arcs_unpredicted(self):
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        unpredicted = [
            e for e in executed if e not in possible and e[0] != e[1]
        ]
        return sorted(unpredicted)

    def branch_lines(self):
        exit_counts = self.parser.exit_counts()
        return [l1 for l1, count in iitems(exit_counts) if count > 1]

    def total_branches(self):
        exit_counts = self.parser.exit_counts()
        return sum([count for count in exit_counts.values() if count > 1])

    def missing_branch_arcs(self):
        missing = self.arcs_missing()
        branch_lines = set(self.branch_lines())
        mba = {}
        for l1, l2 in missing:
            if l1 in branch_lines:
                if l1 not in mba:
                    mba[l1] = []
                mba[l1].append(l2)

        return mba

    def branch_stats(self):
        exit_counts = self.parser.exit_counts()
        missing_arcs = self.missing_branch_arcs()
        stats = {}
        for lnum in self.branch_lines():
            exits = exit_counts[lnum]
            try:
                missing = len(missing_arcs[lnum])
            except KeyError:
                missing = 0

            stats[lnum] = (exits, exits - missing)

        return stats
示例#5
0
class Analysis(object):
    """The results of analyzing a code unit."""
    
    def __init__(self, cov, code_unit):
        self.coverage = cov
        self.code_unit = code_unit
        
        self.filename = self.code_unit.filename
        ext = os.path.splitext(self.filename)[1]
        source = None
        if ext == '.py':
            if not os.path.exists(self.filename):
                source = self.coverage.file_locator.get_zip_data(self.filename)
                if not source:
                    raise NoSource("No source for code: %r" % self.filename)

        self.parser = CodeParser(
            text=source, filename=self.filename,
            exclude=self.coverage.exclude_re
            )
        self.statements, self.excluded = self.parser.parse_source()

        # Identify missing statements.
        executed = self.coverage.data.executed_lines(self.filename)
        exec1 = self.parser.first_lines(executed)
        self.missing = sorted(set(self.statements) - set(exec1))

        if self.coverage.data.has_arcs():
            n_branches = self.total_branches()
            mba = self.missing_branch_arcs()
            n_missing_branches = sum([len(v) for v in mba.values()])
        else:
            n_branches = n_missing_branches = 0
            
        self.numbers = Numbers(
            n_files=1,
            n_statements=len(self.statements), 
            n_excluded=len(self.excluded),
            n_missing=len(self.missing),
            n_branches=n_branches,
            n_missing_branches=n_missing_branches,
            )

    def missing_formatted(self):
        """The missing line numbers, formatted nicely.
        
        Returns a string like "1-2, 5-11, 13-14".
        
        """
        return format_lines(self.statements, self.missing)

    def has_arcs(self):
        """Were arcs measured in this result?"""
        return self.coverage.data.has_arcs()

    def arc_possibilities(self):
        """Returns a sorted list of the arcs in the code."""
        return self.parser.arcs()

    def arcs_executed(self):
        """Returns a sorted list of the arcs actually executed in the code."""
        executed = self.coverage.data.executed_arcs(self.filename)
        m2fl = self.parser.first_line
        executed = [(m2fl(l1), m2fl(l2)) for (l1,l2) in executed]
        return sorted(executed)

    def arcs_missing(self):
        """Returns a sorted list of the arcs in the code not executed."""
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        missing = [p for p in possible if p not in executed]
        return sorted(missing)

    def arcs_unpredicted(self):
        """Returns a sorted list of the executed arcs missing from the code."""
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        # Exclude arcs here which connect a line to itself.  They can occur
        # in executed data in some cases.  This is where they can cause
        # trouble, and here is where it's the least burden to remove them.
        unpredicted = [
            e for e in executed
                if e not in possible and e[0] != e[1]
            ]
        return sorted(unpredicted)

    def branch_lines(self):
        """Returns lines that have more than one exit."""
        exit_counts = self.parser.exit_counts()
        return [l1 for l1,count in exit_counts.items() if count > 1]

    def total_branches(self):
        """How many total branches are there?"""
        exit_counts = self.parser.exit_counts()
        return sum([count for count in exit_counts.values() if count > 1])
        
    def missing_branch_arcs(self):
        """Return arcs that weren't executed from branch lines.
        
        Returns {l1:[l2a,l2b,...], ...}
        
        """
        missing = self.arcs_missing()
        branch_lines = set(self.branch_lines())
        mba = {}
        for l1, l2 in missing:
            if l1 in branch_lines:
                if l1 not in mba:
                    mba[l1] = []
                mba[l1].append(l2)
        return mba
示例#6
0
class Analysis(object):

    def __init__(self, cov, code_unit):
        self.coverage = cov
        self.code_unit = code_unit
        self.filename = self.code_unit.filename
        actual_filename, source = self.find_source(self.filename)
        self.parser = CodeParser(text=source, filename=actual_filename, exclude=self.coverage._exclude_regex('exclude'))
        self.statements, self.excluded = self.parser.parse_source()
        executed = self.coverage.data.executed_lines(self.filename)
        exec1 = self.parser.first_lines(executed)
        self.missing = sorted(set(self.statements) - set(exec1))
        if self.coverage.data.has_arcs():
            self.no_branch = self.parser.lines_matching(join_regex(self.coverage.config.partial_list), join_regex(self.coverage.config.partial_always_list))
            n_branches = self.total_branches()
            mba = self.missing_branch_arcs()
            n_partial_branches = sum([ len(v) for k, v in iitems(mba) if k not in self.missing ])
            n_missing_branches = sum([ len(v) for k, v in iitems(mba) ])
        else:
            n_branches = n_partial_branches = n_missing_branches = 0
            self.no_branch = set()
        self.numbers = Numbers(n_files=1, n_statements=len(self.statements), n_excluded=len(self.excluded), n_missing=len(self.missing), n_branches=n_branches, n_partial_branches=n_partial_branches, n_missing_branches=n_missing_branches)

    def find_source(self, filename):
        source = None
        base, ext = os.path.splitext(filename)
        TRY_EXTS = {'.py': ['.py', '.pyw'],
         '.pyw': ['.pyw']}
        try_exts = TRY_EXTS.get(ext)
        if not try_exts:
            return (filename, None)
        for try_ext in try_exts:
            try_filename = base + try_ext
            if os.path.exists(try_filename):
                return (try_filename, None)
            source = self.coverage.file_locator.get_zip_data(try_filename)
            if source:
                return (try_filename, source)

        raise NoSource("No source for code: '%s'" % filename)

    def missing_formatted(self):
        return format_lines(self.statements, self.missing)

    def has_arcs(self):
        return self.coverage.data.has_arcs()

    def arc_possibilities(self):
        arcs = self.parser.arcs()
        return arcs

    def arcs_executed(self):
        executed = self.coverage.data.executed_arcs(self.filename)
        m2fl = self.parser.first_line
        executed = [ (m2fl(l1), m2fl(l2)) for l1, l2 in executed ]
        return sorted(executed)

    def arcs_missing(self):
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        missing = [ p for p in possible if p not in executed and p[0] not in self.no_branch ]
        return sorted(missing)

    def arcs_unpredicted(self):
        possible = self.arc_possibilities()
        executed = self.arcs_executed()
        unpredicted = [ e for e in executed if e not in possible and e[0] != e[1] ]
        return sorted(unpredicted)

    def branch_lines(self):
        exit_counts = self.parser.exit_counts()
        return [ l1 for l1, count in iitems(exit_counts) if count > 1 ]

    def total_branches(self):
        exit_counts = self.parser.exit_counts()
        return sum([ count for count in exit_counts.values() if count > 1 ])

    def missing_branch_arcs(self):
        missing = self.arcs_missing()
        branch_lines = set(self.branch_lines())
        mba = {}
        for l1, l2 in missing:
            if l1 in branch_lines:
                if l1 not in mba:
                    mba[l1] = []
                mba[l1].append(l2)

        return mba

    def branch_stats(self):
        exit_counts = self.parser.exit_counts()
        missing_arcs = self.missing_branch_arcs()
        stats = {}
        for lnum in self.branch_lines():
            exits = exit_counts[lnum]
            try:
                missing = len(missing_arcs[lnum])
            except KeyError:
                missing = 0

            stats[lnum] = (exits, exits - missing)

        return stats