Golang Filter.Add方法代码示例

//.........这里部分代码省略.........
		groups     []ec2.SecurityGroup // groupIds argument to SecurityGroups method.
		filters    []filterSpec        // filters argument to SecurityGroups method.
		results    []ec2.SecurityGroup // set of expected result groups.
		allowExtra bool                // specified results may be incomplete.
		err        string              // expected error.
	}
	filterCheck := func(name, val string, gs []ec2.SecurityGroup) groupTest {
		return groupTest{
			about:      "filter check " + name,
			filters:    []filterSpec{{name, []string{val}}},
			results:    gs,
			allowExtra: true,
		}
	}
	tests := []groupTest{
		{
			about:      "check that SecurityGroups returns all groups",
			results:    groups(0, 1, 2, 3),
			allowExtra: true,
		}, {
			about:   "check that specifying two group ids returns them",
			groups:  idsOnly(groups(0, 2)),
			results: groups(0, 2),
		}, {
			about:   "check that specifying names only works",
			groups:  namesOnly(groups(0, 2)),
			results: groups(0, 2),
		}, {
			about:  "check that specifying a non-existent group id gives an error",
			groups: append(groups(0), ec2.SecurityGroup{Id: "sg-eeeeeeeee"}),
			err:    `.*\(InvalidGroup\.NotFound\)`,
		}, {
			about: "check that a filter allowed two groups returns both of them",
			filters: []filterSpec{
				{"group-id", []string{g[0].Id, g[2].Id}},
			},
			results: groups(0, 2),
		},
		{
			about:  "check that the previous filter works when specifying a list of ids",
			groups: groups(1, 2),
			filters: []filterSpec{
				{"group-id", []string{g[0].Id, g[2].Id}},
			},
			results: groups(2),
		}, {
			about: "check that a filter allowing no groups returns none",
			filters: []filterSpec{
				{"group-id", []string{"sg-eeeeeeeee"}},
			},
		},
		filterCheck("description", "testdescription1", groups(1)),
		filterCheck("group-name", g[2].Name, groups(2)),
		filterCheck("ip-permission.cidr", "1.2.3.4/32", groups(0)),
		filterCheck("ip-permission.group-name", g[1].Name, groups(1, 2)),
		filterCheck("ip-permission.protocol", "udp", groups(2)),
		filterCheck("ip-permission.from-port", "200", groups(1, 2)),
		filterCheck("ip-permission.to-port", "200", groups(0)),
		// TODO owner-id
	}
	for i, t := range tests {
		c.Logf("%d. %s", i, t.about)
		var f *ec2.Filter
		if t.filters != nil {
			f = ec2.NewFilter()
			for _, spec := range t.filters {
				f.Add(spec.name, spec.values...)
			}
		}
		resp, err := s.ec2.SecurityGroups(t.groups, f)
		if t.err != "" {
			c.Check(err, gocheck.ErrorMatches, t.err)
			continue
		}
		c.Assert(err, gocheck.IsNil)
		groups := make(map[string]*ec2.SecurityGroup)
		for j := range resp.Groups {
			group := &resp.Groups[j].SecurityGroup
			c.Check(groups[group.Id], gocheck.IsNil, gocheck.Commentf("duplicate group id: %q", group.Id))

			groups[group.Id] = group
		}
		// If extra groups may be returned, eliminate all groups that
		// we did not create in this session apart from the default group.
		if t.allowExtra {
			namePat := regexp.MustCompile(sessionName("testgroup[0-9]"))
			for id, g := range groups {
				if !namePat.MatchString(g.Name) {
					delete(groups, id)
				}
			}
		}
		c.Check(groups, gocheck.HasLen, len(t.results))
		for j, g := range t.results {
			rg := groups[g.Id]
			c.Assert(rg, gocheck.NotNil, gocheck.Commentf("group %d (%v) not found; got %#v", j, g, groups))
			c.Check(rg.Name, gocheck.Equals, g.Name, gocheck.Commentf("group %d (%v)", j, g))
		}
	}
}

//.........这里部分代码省略.........
		instanceIds []string     // instanceIds argument to Instances method.
		filters     []filterSpec // filters argument to Instances method.
		resultIds   []string     // set of instance ids of expected results.
		allowExtra  bool         // resultIds may be incomplete.
		err         string       // expected error.
	}{
		{
			about:      "check that Instances returns all instances",
			resultIds:  ids(0, 1, 2),
			allowExtra: true,
		}, {
			about:       "check that specifying two instance ids returns them",
			instanceIds: ids(0, 2),
			resultIds:   ids(0, 2),
		}, {
			about:       "check that specifying a non-existent instance id gives an error",
			instanceIds: append(ids(0), "i-deadbeef"),
			err:         `.*\(InvalidInstanceID\.NotFound\)`,
		}, {
			about: "check that a filter allowed both instances returns both of them",
			filters: []filterSpec{
				{"instance-id", ids(0, 2)},
			},
			resultIds: ids(0, 2),
		}, {
			about: "check that a filter allowing only one instance returns it",
			filters: []filterSpec{
				{"instance-id", ids(1)},
			},
			resultIds: ids(1),
		}, {
			about: "check that a filter allowing no instances returns none",
			filters: []filterSpec{
				{"instance-id", []string{"i-deadbeef12345"}},
			},
		}, {
			about: "check that filtering on group id works",
			filters: []filterSpec{
				{"group-id", []string{group1.Id}},
			},
			resultIds: ids(0, 1),
		}, {
			about: "check that filtering on group name works",
			filters: []filterSpec{
				{"group-name", []string{group1.Name}},
			},
			resultIds: ids(0, 1),
		}, {
			about: "check that filtering on image id works",
			filters: []filterSpec{
				{"image-id", []string{imageId}},
			},
			resultIds:  ids(0, 1),
			allowExtra: true,
		}, {
			about: "combination filters 1",
			filters: []filterSpec{
				{"image-id", []string{imageId, imageId2}},
				{"group-name", []string{group1.Name}},
			},
			resultIds: ids(0, 1),
		}, {
			about: "combination filters 2",
			filters: []filterSpec{
				{"image-id", []string{imageId2}},
				{"group-name", []string{group1.Name}},
			},
		},
	}
	for i, t := range tests {
		c.Logf("%d. %s", i, t.about)
		var f *ec2.Filter
		if t.filters != nil {
			f = ec2.NewFilter()
			for _, spec := range t.filters {
				f.Add(spec.name, spec.values...)
			}
		}
		resp, err := s.ec2.DescribeInstances(t.instanceIds, f)
		if t.err != "" {
			c.Check(err, gocheck.ErrorMatches, t.err)
			continue
		}
		c.Assert(err, gocheck.IsNil)
		insts := make(map[string]*ec2.Instance)
		for _, r := range resp.Reservations {
			for j := range r.Instances {
				inst := &r.Instances[j]
				c.Check(insts[inst.InstanceId], gocheck.IsNil, gocheck.Commentf("duplicate instance id: %q", inst.InstanceId))
				insts[inst.InstanceId] = inst
			}
		}
		if !t.allowExtra {
			c.Check(insts, gocheck.HasLen, len(t.resultIds), gocheck.Commentf("expected %d instances got %#v", len(t.resultIds), insts))
		}
		for j, id := range t.resultIds {
			c.Check(insts[id], gocheck.NotNil, gocheck.Commentf("instance id %d (%q) not found; got %#v", j, id, insts))
		}
	}
}